（三十一）c#Winform自定义控件-文本框（四）-HZHControls

  1 private bool m_isShowClearBtn = true;
  2         int m_intSelectionStart = 0;
  3         int m_intSelectionLength = 0;
  4         /// <summary>
  5         /// 功能描述:是否显示清理按钮
  6         /// 作　　者:HZH
  7         /// 创建日期:2019-02-28 16:13:52
  8         /// </summary>        
  9         [Description("是否显示清理按钮"), Category("自定义")]
 10         public bool IsShowClearBtn
 11         {
 12             get { return m_isShowClearBtn; }
 13             set
 14             {
 15                 m_isShowClearBtn = value;
 16                 if (value)
 17                 {
 18                     btnClear.Visible = !(txtInput.Text == "
") && !string.IsNullOrEmpty(txtInput.Text);
 19                 }
 20                 else
 21                 {
 22                     btnClear.Visible = false;
 23                 }
 24             }
 25         }
 26 
 27         private bool m_isShowSearchBtn = false;
 28         /// <summary>
 29         /// 是否显示查询按钮
 30         /// </summary>
 31 
 32         [Description("是否显示查询按钮"), Category("自定义")]
 33         public bool IsShowSearchBtn
 34         {
 35             get { return m_isShowSearchBtn; }
 36             set
 37             {
 38                 m_isShowSearchBtn = value;
 39                 btnSearch.Visible = value;
 40             }
 41         }
 42 
 43         [Description("是否显示键盘"), Category("自定义")]
 44         public bool IsShowKeyboard
 45         {
 46             get
 47             {
 48                 return btnKeybord.Visible;
 49             }
 50             set
 51             {
 52                 btnKeybord.Visible = value;
 53             }
 54         }
 55         [Description("字体"), Category("自定义")]
 56         public new Font Font
 57         {
 58             get
 59             {
 60                 return this.txtInput.Font;
 61             }
 62             set
 63             {
 64                 this.txtInput.Font = value;
 65             }
 66         }
 67 
 68         [Description("输入类型"), Category("自定义")]
 69         public TextInputType InputType
 70         {
 71             get { return txtInput.InputType; }
 72             set { txtInput.InputType = value; }
 73         }
 74 
 75         /// <summary>
 76         /// 水印文字
 77         /// </summary>
 78         [Description("水印文字"), Category("自定义")]
 79         public string PromptText
 80         {
 81             get
 82             {
 83                 return this.txtInput.PromptText;
 84             }
 85             set
 86             {
 87                 this.txtInput.PromptText = value;
 88             }
 89         }
 90 
 91         [Description("水印字体"), Category("自定义")]
 92         public Font PromptFont
 93         {
 94             get
 95             {
 96                 return this.txtInput.PromptFont;
 97             }
 98             set
 99             {
100                 this.txtInput.PromptFont = value;
101             }
102         }
103 
104         [Description("水印颜色"), Category("自定义")]
105         public Color PromptColor
106         {
107             get
108             {
109                 return this.txtInput.PromptColor;
110             }
111             set
112             {
113                 this.txtInput.PromptColor = value;
114             }
115         }
116 
117         /// <summary>
118         /// 获取或设置一个值，该值指示当输入类型InputType=Regex时，使用的正则表达式。
119         /// </summary>
120         [Description("获取或设置一个值，该值指示当输入类型InputType=Regex时，使用的正则表达式。")]
121         public string RegexPattern
122         {
123             get
124             {
125                 return this.txtInput.RegexPattern;
126             }
127             set
128             {
129                 this.txtInput.RegexPattern = value;
130             }
131         }
132         /// <summary>
133         /// 当InputType为数字类型时，能输入的最大值
134         /// </summary>
135         [Description("当InputType为数字类型时，能输入的最大值。")]
136         public decimal MaxValue
137         {
138             get
139             {
140                 return this.txtInput.MaxValue;
141             }
142             set
143             {
144                 this.txtInput.MaxValue = value;
145             }
146         }
147         /// <summary>
148         /// 当InputType为数字类型时，能输入的最小值
149         /// </summary>
150         [Description("当InputType为数字类型时，能输入的最小值。")]
151         public decimal MinValue
152         {
153             get
154             {
155                 return this.txtInput.MinValue;
156             }
157             set
158             {
159                 this.txtInput.MinValue = value;
160             }
161         }
162         /// <summary>
163         /// 当InputType为数字类型时，能输入的最小值
164         /// </summary>
165         [Description("当InputType为数字类型时，小数位数。")]
166         public int DecLength
167         {
168             get
169             {
170                 return this.txtInput.DecLength;
171             }
172             set
173             {
174                 this.txtInput.DecLength = value;
175             }
176         }
177 
178         private KeyBoardType keyBoardType = KeyBoardType.UCKeyBorderAll_EN;
179         [Description("键盘打开样式"), Category("自定义")]
180         public KeyBoardType KeyBoardType
181         {
182             get { return keyBoardType; }
183             set { keyBoardType = value; }
184         }
185         [Description("查询按钮点击事件"), Category("自定义")]
186         public event EventHandler SearchClick;
187 
188         [Description("文本改变事件"), Category("自定义")]
189         public new event EventHandler TextChanged;
190         [Description("键盘按钮点击事件"), Category("自定义")]
191         public event EventHandler KeyboardClick;
192 
193         [Description("文本"), Category("自定义")]
194         public string InputText
195         {
196             get
197             {
198                 return txtInput.Text;
199             }
200             set
201             {
202                 txtInput.Text = value;
203             }
204         }
205 
206         private bool isFocusColor = true;
207         [Description("获取焦点是否变色"), Category("自定义")]
208         public bool IsFocusColor
209         {
210             get { return isFocusColor; }
211             set { isFocusColor = value; }
212         }
213         private Color _FillColor;
214         public new Color FillColor
215         {
216             get
217             {
218                 return _FillColor;
219             }
220             set
221             {
222                 _FillColor = value;
223                 base.FillColor = value;
224                 this.txtInput.BackColor = value;
225             }
226         }

一些事件

  1 void UCTextBoxEx_SizeChanged(object sender, EventArgs e)
  2         {
  3             this.txtInput.Location = new Point(this.txtInput.Location.X, (this.Height - txtInput.Height) / 2);
  4         }
  5 
  6 
  7         private void txtInput_TextChanged(object sender, EventArgs e)
  8         {
  9             if (m_isShowClearBtn)
 10             {
 11                 btnClear.Visible = !(txtInput.Text == "
") && !string.IsNullOrEmpty(txtInput.Text);
 12             }
 13             if (TextChanged != null)
 14             {
 15                 TextChanged(sender, e);
 16             }
 17         }
 18 
 19         private void btnClear_MouseDown(object sender, MouseEventArgs e)
 20         {
 21             txtInput.Clear();
 22             txtInput.Focus();
 23         }
 24 
 25         private void btnSearch_MouseDown(object sender, MouseEventArgs e)
 26         {
 27             if (SearchClick != null)
 28             {
 29                 SearchClick(sender, e);
 30             }
 31         }
 32         Forms.FrmAnchor m_frmAnchor;
 33         private void btnKeybord_MouseDown(object sender, MouseEventArgs e)
 34         {
 35             m_intSelectionStart = this.txtInput.SelectionStart;
 36             m_intSelectionLength = this.txtInput.SelectionLength;
 37             this.FindForm().ActiveControl = this;
 38             this.FindForm().ActiveControl = this.txtInput;
 39             switch (keyBoardType)
 40             {
 41                 case KeyBoardType.UCKeyBorderAll_EN:
 42                     if (m_frmAnchor == null)
 43                     {
 44                         if (m_frmAnchor == null)
 45                         {
 46                             UCKeyBorderAll key = new UCKeyBorderAll();
 47                             key.CharType = KeyBorderCharType.CHAR;
 48                             key.RetractClike += (a, b) =>
 49                             {
 50                                 m_frmAnchor.Hide();
 51                             };
 52                             m_frmAnchor = new Forms.FrmAnchor(this, key);
 53                             m_frmAnchor.VisibleChanged += (a, b) =>
 54                             {
 55                                 if (m_frmAnchor.Visible)
 56                                 {
 57                                     this.txtInput.SelectionStart = m_intSelectionStart;
 58                                     this.txtInput.SelectionLength = m_intSelectionLength;
 59                                 }
 60                             };
 61                         }
 62                     }
 63                     break;
 64                 case KeyBoardType.UCKeyBorderAll_Num:
 65 
 66                     if (m_frmAnchor == null)
 67                     {
 68                         UCKeyBorderAll key = new UCKeyBorderAll();
 69                         key.CharType = KeyBorderCharType.NUMBER;
 70                         key.RetractClike += (a, b) =>
 71                         {
 72                             m_frmAnchor.Hide();
 73                         };
 74                         m_frmAnchor = new Forms.FrmAnchor(this, key);
 75                         m_frmAnchor.VisibleChanged += (a, b) =>
 76                         {
 77                             if (m_frmAnchor.Visible)
 78                             {
 79                                 this.txtInput.SelectionStart = m_intSelectionStart;
 80                                 this.txtInput.SelectionLength = m_intSelectionLength;
 81                             }
 82                         };
 83                     }
 84 
 85                     break;
 86                 case KeyBoardType.UCKeyBorderNum:
 87                     if (m_frmAnchor == null)
 88                     {
 89                         UCKeyBorderNum key = new UCKeyBorderNum();
 90                         m_frmAnchor = new Forms.FrmAnchor(this, key);
 91                         m_frmAnchor.VisibleChanged += (a, b) =>
 92                         {
 93                             if (m_frmAnchor.Visible)
 94                             {
 95                                 this.txtInput.SelectionStart = m_intSelectionStart;
 96                                 this.txtInput.SelectionLength = m_intSelectionLength;
 97                             }
 98                         };
 99                     }
100                     break;
101                 case HZH_Controls.Controls.KeyBoardType.UCKeyBorderHand:
102 
103                     m_frmAnchor = new Forms.FrmAnchor(this, new Size(504, 361));
104                     m_frmAnchor.VisibleChanged += m_frmAnchor_VisibleChanged;
105                     m_frmAnchor.Disposed += m_frmAnchor_Disposed;
106                     Panel p = new Panel();
107                     p.Dock = DockStyle.Fill;
108                     p.Name = "keyborder";
109                     m_frmAnchor.Controls.Add(p);
110 
111                     UCBtnExt btnDelete = new UCBtnExt();
112                     btnDelete.Name = "btnDelete";
113                     btnDelete.Size = new Size(80, 28);
114                     btnDelete.FillColor = Color.White;
115                     btnDelete.IsRadius = false;
116                     btnDelete.ConerRadius = 1;
117                     btnDelete.IsShowRect = true;
118                     btnDelete.RectColor = Color.FromArgb(189, 197, 203);
119                     btnDelete.Location = new Point(198, 332);
120                     btnDelete.BtnFont = new System.Drawing.Font("微软雅黑", 8);
121                     btnDelete.BtnText = "删除";
122                     btnDelete.BtnClick += (a, b) =>
123                     {
124                         SendKeys.Send("{BACKSPACE}");
125                     };
126                     m_frmAnchor.Controls.Add(btnDelete);
127                     btnDelete.BringToFront();
128 
129                     UCBtnExt btnEnter = new UCBtnExt();
130                     btnEnter.Name = "btnEnter";
131                     btnEnter.Size = new Size(82, 28);
132                     btnEnter.FillColor = Color.White;
133                     btnEnter.IsRadius = false;
134                     btnEnter.ConerRadius = 1;
135                     btnEnter.IsShowRect = true;
136                     btnEnter.RectColor = Color.FromArgb(189, 197, 203);
137                     btnEnter.Location = new Point(278, 332);
138                     btnEnter.BtnFont = new System.Drawing.Font("微软雅黑", 8);
139                     btnEnter.BtnText = "确定";
140                     btnEnter.BtnClick += (a, b) =>
141                     {
142                         SendKeys.Send("{ENTER}");
143                         m_frmAnchor.Hide();
144                     };
145                     m_frmAnchor.Controls.Add(btnEnter);
146                     btnEnter.BringToFront();
147                     m_frmAnchor.VisibleChanged += (a, b) =>
148                     {
149                         if (m_frmAnchor.Visible)
150                         {
151                             this.txtInput.SelectionStart = m_intSelectionStart;
152                             this.txtInput.SelectionLength = m_intSelectionLength;
153                         }
154                     };
155                     break;
156             }
157             if (!m_frmAnchor.Visible)
158                 m_frmAnchor.Show(this.FindForm());
159             if (KeyboardClick != null)
160             {
161                 KeyboardClick(sender, e);
162             }
163         }
164 
165         void m_frmAnchor_Disposed(object sender, EventArgs e)
166         {
167             if (m_HandAppWin != IntPtr.Zero)
168             {
169                 if (m_HandPWin != null && !m_HandPWin.HasExited)
170                     m_HandPWin.Kill();
171                 m_HandPWin = null;
172                 m_HandAppWin = IntPtr.Zero;
173             }
174         }
175 
176 
177         IntPtr m_HandAppWin;
178         Process m_HandPWin = null;
179         string m_HandExeName = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "HandInput\handinput.exe");
180 
181         void m_frmAnchor_VisibleChanged(object sender, EventArgs e)
182         {
183             if (m_frmAnchor.Visible)
184             {
185                 var lstP = Process.GetProcessesByName("handinput");
186                 if (lstP.Length > 0)
187                 {
188                     foreach (var item in lstP)
189                     {
190                         item.Kill();
191                     }
192                 }
193                 m_HandAppWin = IntPtr.Zero;
194 
195                 if (m_HandPWin == null)
196                 {
197                     m_HandPWin = null;
198 
199                     m_HandPWin = System.Diagnostics.Process.Start(this.m_HandExeName);
200                     m_HandPWin.WaitForInputIdle();
201                 }
202                 while (m_HandPWin.MainWindowHandle == IntPtr.Zero)
203                 {
204                     Thread.Sleep(10);
205                 }
206                 m_HandAppWin = m_HandPWin.MainWindowHandle;
207                 Control p = m_frmAnchor.Controls.Find("keyborder", false)[0];
208                 SetParent(m_HandAppWin, p.Handle);
209                 ControlHelper.SetForegroundWindow(this.FindForm().Handle);
210                 MoveWindow(m_HandAppWin, -111, -41, 626, 412, true);
211             }
212             else
213             {
214                 if (m_HandAppWin != IntPtr.Zero)
215                 {
216                     if (m_HandPWin != null && !m_HandPWin.HasExited)
217                         m_HandPWin.Kill();
218                     m_HandPWin = null;
219                     m_HandAppWin = IntPtr.Zero;
220                 }
221             }
222         }
223 
224         private void UCTextBoxEx_MouseDown(object sender, MouseEventArgs e)
225         {
226             this.ActiveControl = txtInput;
227         }
228 
229         private void UCTextBoxEx_Load(object sender, EventArgs e)
230         {
231             if (!Enabled)
232             {
233                 base.FillColor = Color.FromArgb(240, 240, 240);
234                 txtInput.BackColor = Color.FromArgb(240, 240, 240);
235             }
236             else
237             {
238                 FillColor = _FillColor;
239                 txtInput.BackColor = _FillColor;
240             }
241         }
242         [DllImport("user32.dll", SetLastError = true)]
243         private static extern long SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
244 
245         [DllImport("user32.dll", SetLastError = true)]
246         private static extern bool MoveWindow(IntPtr hwnd, int x, int y, int cx, int cy, bool repaint);
247         [DllImport("user32.dll", EntryPoint = "ShowWindow")]
248         private static extern bool ShowWindow(IntPtr hwnd, int nCmdShow);
249         [DllImport("user32.dll")]
250         private static extern bool SetWindowPos(IntPtr hWnd, int hWndlnsertAfter, int X, int Y, int cx, int cy, uint Flags);
251         private const int GWL_STYLE = -16;
252         private const int WS_CHILD = 0x40000000;//设置窗口属性为child
253 
254         [DllImport("user32.dll", EntryPoint = "GetWindowLong")]
255         public static extern int GetWindowLong(IntPtr hwnd, int nIndex);
256 
257         [DllImport("user32.dll", EntryPoint = "SetWindowLong")]
258         public static extern int SetWindowLong(IntPtr hwnd, int nIndex, int dwNewLong);
259 
260         [DllImport("user32.dll")]
261         private extern static IntPtr SetActiveWindow(IntPtr handle);

你也许注意到了m_frmAnchor_VisibleChanged事件，当键盘窗体显示的时候，启动手写输入软件（这里用了搜狗的手写），将手写软件窗体包含进键盘窗体中来实现手写功能

完整的代码

  1 // 版权所有  黄正辉  交流群：568015492   QQ：623128629
  2 // 文件名称：UCTextBoxEx.cs
  3 // 创建日期：2019-08-15 16:03:58
  4 // 功能描述：TextBox
  5 // 项目地址：https://gitee.com/kwwwvagaa/net_winform_custom_control
  6 using System;
  7 using System.Collections.Generic;
  8 using System.ComponentModel;
  9 using System.Drawing;
 10 using System.Data;
 11 using System.Linq;
 12 using System.Text;
 13 using System.Windows.Forms;
 14 using System.Runtime.InteropServices;
 15 using System.Diagnostics;
 16 using System.Threading;
 17 
 18 namespace HZH_Controls.Controls
 19 {
 20     [DefaultEvent("TextChanged")]
 21     public partial class UCTextBoxEx : UCControlBase
 22     {
 23         private bool m_isShowClearBtn = true;
 24         int m_intSelectionStart = 0;
 25         int m_intSelectionLength = 0;
 26         /// <summary>
 27         /// 功能描述:是否显示清理按钮
 28         /// 作　　者:HZH
 29         /// 创建日期:2019-02-28 16:13:52
 30         /// </summary>        
 31         [Description("是否显示清理按钮"), Category("自定义")]
 32         public bool IsShowClearBtn
 33         {
 34             get { return m_isShowClearBtn; }
 35             set
 36             {
 37                 m_isShowClearBtn = value;
 38                 if (value)
 39                 {
 40                     btnClear.Visible = !(txtInput.Text == "
") && !string.IsNullOrEmpty(txtInput.Text);
 41                 }
 42                 else
 43                 {
 44                     btnClear.Visible = false;
 45                 }
 46             }
 47         }
 48 
 49         private bool m_isShowSearchBtn = false;
 50         /// <summary>
 51         /// 是否显示查询按钮
 52         /// </summary>
 53 
 54         [Description("是否显示查询按钮"), Category("自定义")]
 55         public bool IsShowSearchBtn
 56         {
 57             get { return m_isShowSearchBtn; }
 58             set
 59             {
 60                 m_isShowSearchBtn = value;
 61                 btnSearch.Visible = value;
 62             }
 63         }
 64 
 65         [Description("是否显示键盘"), Category("自定义")]
 66         public bool IsShowKeyboard
 67         {
 68             get
 69             {
 70                 return btnKeybord.Visible;
 71             }
 72             set
 73             {
 74                 btnKeybord.Visible = value;
 75             }
 76         }
 77         [Description("字体"), Category("自定义")]
 78         public new Font Font
 79         {
 80             get
 81             {
 82                 return this.txtInput.Font;
 83             }
 84             set
 85             {
 86                 this.txtInput.Font = value;
 87             }
 88         }
 89 
 90         [Description("输入类型"), Category("自定义")]
 91         public TextInputType InputType
 92         {
 93             get { return txtInput.InputType; }
 94             set { txtInput.InputType = value; }
 95         }
 96 
 97         /// <summary>
 98         /// 水印文字
 99         /// </summary>
100         [Description("水印文字"), Category("自定义")]
101         public string PromptText
102         {
103             get
104             {
105                 return this.txtInput.PromptText;
106             }
107             set
108             {
109                 this.txtInput.PromptText = value;
110             }
111         }
112 
113         [Description("水印字体"), Category("自定义")]
114         public Font PromptFont
115         {
116             get
117             {
118                 return this.txtInput.PromptFont;
119             }
120             set
121             {
122                 this.txtInput.PromptFont = value;
123             }
124         }
125 
126         [Description("水印颜色"), Category("自定义")]
127         public Color PromptColor
128         {
129             get
130             {
131                 return this.txtInput.PromptColor;
132             }
133             set
134             {
135                 this.txtInput.PromptColor = value;
136             }
137         }
138 
139         /// <summary>
140         /// 获取或设置一个值，该值指示当输入类型InputType=Regex时，使用的正则表达式。
141         /// </summary>
142         [Description("获取或设置一个值，该值指示当输入类型InputType=Regex时，使用的正则表达式。")]
143         public string RegexPattern
144         {
145             get
146             {
147                 return this.txtInput.RegexPattern;
148             }
149             set
150             {
151                 this.txtInput.RegexPattern = value;
152             }
153         }
154         /// <summary>
155         /// 当InputType为数字类型时，能输入的最大值
156         /// </summary>
157         [Description("当InputType为数字类型时，能输入的最大值。")]
158         public decimal MaxValue
159         {
160             get
161             {
162                 return this.txtInput.MaxValue;
163             }
164             set
165             {
166                 this.txtInput.MaxValue = value;
167             }
168         }
169         /// <summary>
170         /// 当InputType为数字类型时，能输入的最小值
171         /// </summary>
172         [Description("当InputType为数字类型时，能输入的最小值。")]
173         public decimal MinValue
174         {
175             get
176             {
177                 return this.txtInput.MinValue;
178             }
179             set
180             {
181                 this.txtInput.MinValue = value;
182             }
183         }
184         /// <summary>
185         /// 当InputType为数字类型时，能输入的最小值
186         /// </summary>
187         [Description("当InputType为数字类型时，小数位数。")]
188         public int DecLength
189         {
190             get
191             {
192                 return this.txtInput.DecLength;
193             }
194             set
195             {
196                 this.txtInput.DecLength = value;
197             }
198         }
199 
200         private KeyBoardType keyBoardType = KeyBoardType.UCKeyBorderAll_EN;
201         [Description("键盘打开样式"), Category("自定义")]
202         public KeyBoardType KeyBoardType
203         {
204             get { return keyBoardType; }
205             set { keyBoardType = value; }
206         }
207         [Description("查询按钮点击事件"), Category("自定义")]
208         public event EventHandler SearchClick;
209 
210         [Description("文本改变事件"), Category("自定义")]
211         public new event EventHandler TextChanged;
212         [Description("键盘按钮点击事件"), Category("自定义")]
213         public event EventHandler KeyboardClick;
214 
215         [Description("文本"), Category("自定义")]
216         public string InputText
217         {
218             get
219             {
220                 return txtInput.Text;
221             }
222             set
223             {
224                 txtInput.Text = value;
225             }
226         }
227 
228         private bool isFocusColor = true;
229         [Description("获取焦点是否变色"), Category("自定义")]
230         public bool IsFocusColor
231         {
232             get { return isFocusColor; }
233             set { isFocusColor = value; }
234         }
235         private Color _FillColor;
236         public new Color FillColor
237         {
238             get
239             {
240                 return _FillColor;
241             }
242             set
243             {
244                 _FillColor = value;
245                 base.FillColor = value;
246                 this.txtInput.BackColor = value;
247             }
248         }
249         public UCTextBoxEx()
250         {
251             InitializeComponent();
252             txtInput.SizeChanged += UCTextBoxEx_SizeChanged;
253             this.SizeChanged += UCTextBoxEx_SizeChanged;
254             txtInput.GotFocus += (a, b) =>
255             {
256                 if (isFocusColor)
257                     this.RectColor = Color.FromArgb(78, 169, 255);
258             };
259             txtInput.LostFocus += (a, b) =>
260             {
261                 if (isFocusColor)
262                     this.RectColor = Color.FromArgb(220, 220, 220);
263             };
264         }
265 
266         void UCTextBoxEx_SizeChanged(object sender, EventArgs e)
267         {
268             this.txtInput.Location = new Point(this.txtInput.Location.X, (this.Height - txtInput.Height) / 2);
269         }
270 
271 
272         private void txtInput_TextChanged(object sender, EventArgs e)
273         {
274             if (m_isShowClearBtn)
275             {
276                 btnClear.Visible = !(txtInput.Text == "
") && !string.IsNullOrEmpty(txtInput.Text);
277             }
278             if (TextChanged != null)
279             {
280                 TextChanged(sender, e);
281             }
282         }
283 
284         private void btnClear_MouseDown(object sender, MouseEventArgs e)
285         {
286             txtInput.Clear();
287             txtInput.Focus();
288         }
289 
290         private void btnSearch_MouseDown(object sender, MouseEventArgs e)
291         {
292             if (SearchClick != null)
293             {
294                 SearchClick(sender, e);
295             }
296         }
297         Forms.FrmAnchor m_frmAnchor;
298         private void btnKeybord_MouseDown(object sender, MouseEventArgs e)
299         {
300             m_intSelectionStart = this.txtInput.SelectionStart;
301             m_intSelectionLength = this.txtInput.SelectionLength;
302             this.FindForm().ActiveControl = this;
303             this.FindForm().ActiveControl = this.txtInput;
304             switch (keyBoardType)
305             {
306                 case KeyBoardType.UCKeyBorderAll_EN:
307                     if (m_frmAnchor == null)
308                     {
309                         if (m_frmAnchor == null)
310                         {
311                             UCKeyBorderAll key = new UCKeyBorderAll();
312                             key.CharType = KeyBorderCharType.CHAR;
313                             key.RetractClike += (a, b) =>
314                             {
315                                 m_frmAnchor.Hide();
316                             };
317                             m_frmAnchor = new Forms.FrmAnchor(this, key);
318                             m_frmAnchor.VisibleChanged += (a, b) =>
319                             {
320                                 if (m_frmAnchor.Visible)
321                                 {
322                                     this.txtInput.SelectionStart = m_intSelectionStart;
323                                     this.txtInput.SelectionLength = m_intSelectionLength;
324                                 }
325                             };
326                         }
327                     }
328                     break;
329                 case KeyBoardType.UCKeyBorderAll_Num:
330 
331                     if (m_frmAnchor == null)
332                     {
333                         UCKeyBorderAll key = new UCKeyBorderAll();
334                         key.CharType = KeyBorderCharType.NUMBER;
335                         key.RetractClike += (a, b) =>
336                         {
337                             m_frmAnchor.Hide();
338                         };
339                         m_frmAnchor = new Forms.FrmAnchor(this, key);
340                         m_frmAnchor.VisibleChanged += (a, b) =>
341                         {
342                             if (m_frmAnchor.Visible)
343                             {
344                                 this.txtInput.SelectionStart = m_intSelectionStart;
345                                 this.txtInput.SelectionLength = m_intSelectionLength;
346                             }
347                         };
348                     }
349 
350                     break;
351                 case KeyBoardType.UCKeyBorderNum:
352                     if (m_frmAnchor == null)
353                     {
354                         UCKeyBorderNum key = new UCKeyBorderNum();
355                         m_frmAnchor = new Forms.FrmAnchor(this, key);
356                         m_frmAnchor.VisibleChanged += (a, b) =>
357                         {
358                             if (m_frmAnchor.Visible)
359                             {
360                                 this.txtInput.SelectionStart = m_intSelectionStart;
361                                 this.txtInput.SelectionLength = m_intSelectionLength;
362                             }
363                         };
364                     }
365                     break;
366                 case HZH_Controls.Controls.KeyBoardType.UCKeyBorderHand:
367 
368                     m_frmAnchor = new Forms.FrmAnchor(this, new Size(504, 361));
369                     m_frmAnchor.VisibleChanged += m_frmAnchor_VisibleChanged;
370                     m_frmAnchor.Disposed += m_frmAnchor_Disposed;
371                     Panel p = new Panel();
372                     p.Dock = DockStyle.Fill;
373                     p.Name = "keyborder";
374                     m_frmAnchor.Controls.Add(p);
375 
376                     UCBtnExt btnDelete = new UCBtnExt();
377                     btnDelete.Name = "btnDelete";
378                     btnDelete.Size = new Size(80, 28);
379                     btnDelete.FillColor = Color.White;
380                     btnDelete.IsRadius = false;
381                     btnDelete.ConerRadius = 1;
382                     btnDelete.IsShowRect = true;
383                     btnDelete.RectColor = Color.FromArgb(189, 197, 203);
384                     btnDelete.Location = new Point(198, 332);
385                     btnDelete.BtnFont = new System.Drawing.Font("微软雅黑", 8);
386                     btnDelete.BtnText = "删除";
387                     btnDelete.BtnClick += (a, b) =>
388                     {
389                         SendKeys.Send("{BACKSPACE}");
390                     };
391                     m_frmAnchor.Controls.Add(btnDelete);
392                     btnDelete.BringToFront();
393 
394                     UCBtnExt btnEnter = new UCBtnExt();
395                     btnEnter.Name = "btnEnter";
396                     btnEnter.Size = new Size(82, 28);
397                     btnEnter.FillColor = Color.White;
398                     btnEnter.IsRadius = false;
399                     btnEnter.ConerRadius = 1;
400                     btnEnter.IsShowRect = true;
401                     btnEnter.RectColor = Color.FromArgb(189, 197, 203);
402                     btnEnter.Location = new Point(278, 332);
403                     btnEnter.BtnFont = new System.Drawing.Font("微软雅黑", 8);
404                     btnEnter.BtnText = "确定";
405                     btnEnter.BtnClick += (a, b) =>
406                     {
407                         SendKeys.Send("{ENTER}");
408                         m_frmAnchor.Hide();
409                     };
410                     m_frmAnchor.Controls.Add(btnEnter);
411                     btnEnter.BringToFront();
412                     m_frmAnchor.VisibleChanged += (a, b) =>
413                     {
414                         if (m_frmAnchor.Visible)
415                         {
416                             this.txtInput.SelectionStart = m_intSelectionStart;
417                             this.txtInput.SelectionLength = m_intSelectionLength;
418                         }
419                     };
420                     break;
421             }
422             if (!m_frmAnchor.Visible)
423                 m_frmAnchor.Show(this.FindForm());
424             if (KeyboardClick != null)
425             {
426                 KeyboardClick(sender, e);
427             }
428         }
429 
430         void m_frmAnchor_Disposed(object sender, EventArgs e)
431         {
432             if (m_HandAppWin != IntPtr.Zero)
433             {
434                 if (m_HandPWin != null && !m_HandPWin.HasExited)
435                     m_HandPWin.Kill();
436                 m_HandPWin = null;
437                 m_HandAppWin = IntPtr.Zero;
438             }
439         }
440 
441 
442         IntPtr m_HandAppWin;
443         Process m_HandPWin = null;
444         string m_HandExeName = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "HandInput\handinput.exe");
445 
446         void m_frmAnchor_VisibleChanged(object sender, EventArgs e)
447         {
448             if (m_frmAnchor.Visible)
449             {
450                 var lstP = Process.GetProcessesByName("handinput");
451                 if (lstP.Length > 0)
452                 {
453                     foreach (var item in lstP)
454                     {
455                         item.Kill();
456                     }
457                 }
458                 m_HandAppWin = IntPtr.Zero;
459 
460                 if (m_HandPWin == null)
461                 {
462                     m_HandPWin = null;
463 
464                     m_HandPWin = System.Diagnostics.Process.Start(this.m_HandExeName);
465                     m_HandPWin.WaitForInputIdle();
466                 }
467                 while (m_HandPWin.MainWindowHandle == IntPtr.Zero)
468                 {
469                     Thread.Sleep(10);
470                 }
471                 m_HandAppWin = m_HandPWin.MainWindowHandle;
472                 Control p = m_frmAnchor.Controls.Find("keyborder", false)[0];
473                 SetParent(m_HandAppWin, p.Handle);
474                 ControlHelper.SetForegroundWindow(this.FindForm().Handle);
475                 MoveWindow(m_HandAppWin, -111, -41, 626, 412, true);
476             }
477             else
478             {
479                 if (m_HandAppWin != IntPtr.Zero)
480                 {
481                     if (m_HandPWin != null && !m_HandPWin.HasExited)
482                         m_HandPWin.Kill();
483                     m_HandPWin = null;
484                     m_HandAppWin = IntPtr.Zero;
485                 }
486             }
487         }
488 
489         private void UCTextBoxEx_MouseDown(object sender, MouseEventArgs e)
490         {
491             this.ActiveControl = txtInput;
492         }
493 
494         private void UCTextBoxEx_Load(object sender, EventArgs e)
495         {
496             if (!Enabled)
497             {
498                 base.FillColor = Color.FromArgb(240, 240, 240);
499                 txtInput.BackColor = Color.FromArgb(240, 240, 240);
500             }
501             else
502             {
503                 FillColor = _FillColor;
504                 txtInput.BackColor = _FillColor;
505             }
506         }
507         [DllImport("user32.dll", SetLastError = true)]
508         private static extern long SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
509 
510         [DllImport("user32.dll", SetLastError = true)]
511         private static extern bool MoveWindow(IntPtr hwnd, int x, int y, int cx, int cy, bool repaint);
512         [DllImport("user32.dll", EntryPoint = "ShowWindow")]
513         private static extern bool ShowWindow(IntPtr hwnd, int nCmdShow);
514         [DllImport("user32.dll")]
515         private static extern bool SetWindowPos(IntPtr hWnd, int hWndlnsertAfter, int X, int Y, int cx, int cy, uint Flags);
516         private const int GWL_STYLE = -16;
517         private const int WS_CHILD = 0x40000000;//设置窗口属性为child
518 
519         [DllImport("user32.dll", EntryPoint = "GetWindowLong")]
520         public static extern int GetWindowLong(IntPtr hwnd, int nIndex);
521 
522         [DllImport("user32.dll", EntryPoint = "SetWindowLong")]
523         public static extern int SetWindowLong(IntPtr hwnd, int nIndex, int dwNewLong);
524 
525         [DllImport("user32.dll")]
526         private extern static IntPtr SetActiveWindow(IntPtr handle);
527     }
528 }

View Code

  1 namespace HZH_Controls.Controls
  2 {
  3     partial class UCTextBoxEx
  4     {
  5         /// <summary> 
  6         /// 必需的设计器变量。
  7         /// </summary>
  8         private System.ComponentModel.IContainer components = null;
  9 
 10         /// <summary> 
 11         /// 清理所有正在使用的资源。
 12         /// </summary>
 13         /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
 14         protected override void Dispose(bool disposing)
 15         {
 16             if (disposing && (components != null))
 17             {
 18                 components.Dispose();
 19             }
 20             base.Dispose(disposing);
 21         }
 22 
 23         #region 组件设计器生成的代码
 24 
 25         /// <summary> 
 26         /// 设计器支持所需的方法 - 不要
 27         /// 使用代码编辑器修改此方法的内容。
 28         /// </summary>
 29         private void InitializeComponent()
 30         {
 31             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(UCTextBoxEx));
 32             this.txtInput = new HZH_Controls.Controls.TextBoxEx();
 33             this.imageList1 = new System.Windows.Forms.ImageList();
 34             this.btnClear = new System.Windows.Forms.Panel();
 35             this.btnKeybord = new System.Windows.Forms.Panel();
 36             this.btnSearch = new System.Windows.Forms.Panel();
 37             this.SuspendLayout();
 38             // 
 39             // txtInput
 40             // 
 41             this.txtInput.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right)));
 42             this.txtInput.BorderStyle = System.Windows.Forms.BorderStyle.None;
 43             this.txtInput.DecLength = 2;
 44             this.txtInput.Font = new System.Drawing.Font("微软雅黑", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Pixel);
 45             this.txtInput.InputType = TextInputType.NotControl;
 46             this.txtInput.Location = new System.Drawing.Point(8, 9);
 47             this.txtInput.Margin = new System.Windows.Forms.Padding(3, 3, 10, 3);
 48             this.txtInput.MaxValue = new decimal(new int[] {
 49             1000000,
 50             0,
 51             0,
 52             0});
 53             this.txtInput.MinValue = new decimal(new int[] {
 54             1000000,
 55             0,
 56             0,
 57             -2147483648});
 58             this.txtInput.MyRectangle = new System.Drawing.Rectangle(0, 0, 0, 0);
 59             this.txtInput.Name = "txtInput";
 60             this.txtInput.OldText = null;
 61             this.txtInput.PromptColor = System.Drawing.Color.Gray;
 62             this.txtInput.PromptFont = new System.Drawing.Font("微软雅黑", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Pixel);
 63             this.txtInput.PromptText = "";
 64             this.txtInput.RegexPattern = "";
 65             this.txtInput.Size = new System.Drawing.Size(309, 24);
 66             this.txtInput.TabIndex = 0;
 67             this.txtInput.TextChanged += new System.EventHandler(this.txtInput_TextChanged);
 68             // 
 69             // imageList1
 70             // 
 71             this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
 72             this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
 73             this.imageList1.Images.SetKeyName(0, "ic_cancel_black_24dp.png");
 74             this.imageList1.Images.SetKeyName(1, "ic_search_black_24dp.png");
 75             this.imageList1.Images.SetKeyName(2, "keyboard.png");
 76             // 
 77             // btnClear
 78             // 
 79             this.btnClear.BackgroundImage = global::HZH_Controls.Properties.Resources.input_clear;
 80             this.btnClear.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
 81             this.btnClear.Cursor = System.Windows.Forms.Cursors.Default;
 82             this.btnClear.Dock = System.Windows.Forms.DockStyle.Right;
 83             this.btnClear.Location = new System.Drawing.Point(227, 5);
 84             this.btnClear.Name = "btnClear";
 85             this.btnClear.Size = new System.Drawing.Size(30, 32);
 86             this.btnClear.TabIndex = 4;
 87             this.btnClear.Visible = false;
 88             this.btnClear.MouseDown += new System.Windows.Forms.MouseEventHandler(this.btnClear_MouseDown);
 89             // 
 90             // btnKeybord
 91             // 
 92             this.btnKeybord.BackgroundImage = global::HZH_Controls.Properties.Resources.keyboard;
 93             this.btnKeybord.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
 94             this.btnKeybord.Cursor = System.Windows.Forms.Cursors.Default;
 95             this.btnKeybord.Dock = System.Windows.Forms.DockStyle.Right;
 96             this.btnKeybord.Location = new System.Drawing.Point(257, 5);
 97             this.btnKeybord.Name = "btnKeybord";
 98             this.btnKeybord.Size = new System.Drawing.Size(30, 32);
 99             this.btnKeybord.TabIndex = 6;
100             this.btnKeybord.Visible = false;
101             this.btnKeybord.MouseDown += new System.Windows.Forms.MouseEventHandler(this.btnKeybord_MouseDown);
102             // 
103             // btnSearch
104             // 
105             this.btnSearch.BackgroundImage = global::HZH_Controls.Properties.Resources.ic_search_black_24dp;
106             this.btnSearch.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
107             this.btnSearch.Cursor = System.Windows.Forms.Cursors.Default;
108             this.btnSearch.Dock = System.Windows.Forms.DockStyle.Right;
109             this.btnSearch.Location = new System.Drawing.Point(287, 5);
110             this.btnSearch.Name = "btnSearch";
111             this.btnSearch.Size = new System.Drawing.Size(30, 32);
112             this.btnSearch.TabIndex = 5;
113             this.btnSearch.Visible = false;
114             this.btnSearch.MouseDown += new System.Windows.Forms.MouseEventHandler(this.btnSearch_MouseDown);
115             // 
116             // UCTextBoxEx
117             // 
118             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
119             this.BackColor = System.Drawing.Color.Transparent;
120             this.ConerRadius = 5;
121             this.Controls.Add(this.btnClear);
122             this.Controls.Add(this.btnKeybord);
123             this.Controls.Add(this.btnSearch);
124             this.Controls.Add(this.txtInput);
125             this.Cursor = System.Windows.Forms.Cursors.IBeam;
126             this.IsShowRect = true;
127             this.IsRadius = true;
128             this.Name = "UCTextBoxEx";
129             this.Padding = new System.Windows.Forms.Padding(5);
130             this.Size = new System.Drawing.Size(322, 42);
131             this.Load += new System.EventHandler(this.UCTextBoxEx_Load);
132             this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.UCTextBoxEx_MouseDown);
133             this.ResumeLayout(false);
134             this.PerformLayout();
135 
136         }
137 
138         #endregion
139 
140         private System.Windows.Forms.ImageList imageList1;
141         public TextBoxEx txtInput;
142         private System.Windows.Forms.Panel btnClear;
143         private System.Windows.Forms.Panel btnSearch;
144         private System.Windows.Forms.Panel btnKeybord;
145     }
146 }

View Code

用处及效果

最后的话

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原文地址：https://www.cnblogs.com/bfyx/p/11364546.html

（三十一）c#Winform自定义控件-文本框（四）-HZHControls

官网

前提

目录

准备工作

开始

用处及效果

最后的话