tabcontrol动态生成选项卡，并且在选项卡中添加窗体

http://blog.csdn.net/zx13525079024/article/details/6084733

今天在论坛上看到有人问到，如果在点击TRVEVIEW时动态生成tabcontrol的选项卡，并在选项卡中添加窗体，于是写了一个DEMO,供大家参考

 demo下载：http://download.csdn.net/source/2920757

public partial class Form5 : Form
   {
       public Form5()
       {
           InitializeComponent();
       }

       private void Form5_Load(object sender, EventArgs e)
       {
           TreeNode root = new TreeNode("电话缴费");
           root.Name = "root";
           treeView1.Nodes.Add(root);

           TreeNode tnMobile = new TreeNode("中国移动");
           tnMobile.Name = "mobile";
           root.Nodes.Add(tnMobile);

           TreeNode tnUnion = new TreeNode("中国联通");
           tnUnion.Name = "union";
           root.Nodes.Add(tnUnion);
           root.Expand();



       }



       private TabPage tbMobile = null;
       private TabPage tbUnion = null;
       private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
       {

           if (treeView1.SelectedNode.Name=="mobile")
           {

               if (ErgodicModiForm("tbmobile", tabControl1))
               {
                    tbMobile = new TabPage("中国移动");

                   tbMobile.Name = "tbmobile";
                   tabControl1.Controls.Add(tbMobile);

                   Form6 form = new Form6();
                   form.TopLevel = false;
                   form.BackColor = Color.White;
                   form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;

                   form.FormBorderStyle = FormBorderStyle.None;
                   form.Show();
                   tbMobile.Controls.Add(form);


               }


               tabControl1.SelectedTab = tbMobile;
           }
           else if (treeView1.SelectedNode.Name=="union")
           {

               if (ErgodicModiForm("tbunion", tabControl1))
               {
                   tbUnion = new TabPage("中国联通");
                   tbUnion.Name = "tbunion";
                   tabControl1.Controls.Add(tbUnion);

                   Form2 form = new Form2();
                   form.TopLevel = false;
                   form.BackColor = Color.White;
                   form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;

                   form.FormBorderStyle = FormBorderStyle.None;
                   form.Show();
                   tbUnion.Controls.Add(form);



               }
               tabControl1.SelectedTab = tbUnion;
           }
       }

       /// </summary>
       /// <param name="MainTabControlKey">选项卡的键值</param>
       /// <param name="objTabControl">要添加到的TabControl对象</param>
       /// <returns></returns>
       private Boolean ErgodicModiForm(string MainTabControlKey, TabControl objTabControl)
       {
           //遍历选项卡判断是否存在该子窗体
           foreach (Control con in objTabControl.Controls)
           {
               TabPage tab = (TabPage)con;
               if (tab.Name == MainTabControlKey)
               {
                   return false;//存在
               }
           }
           return true;//不存在
       }
   }

public partial class Form5 : Form { public Form5() { InitializeComponent(); } private void Form5_Load(object sender, EventArgs e) { TreeNode root = new TreeNode("电话缴费"); root.Name = "root"; treeView1.Nodes.Add(root); TreeNode tnMobile = new TreeNode("中国移动"); tnMobile.Name = "mobile"; root.Nodes.Add(tnMobile); TreeNode tnUnion = new TreeNode("中国联通"); tnUnion.Name = "union"; root.Nodes.Add(tnUnion); root.Expand(); } private TabPage tbMobile = null; private TabPage tbUnion = null; private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { if (treeView1.SelectedNode.Name=="mobile") { if (ErgodicModiForm("tbmobile", tabControl1)) { tbMobile = new TabPage("中国移动"); tbMobile.Name = "tbmobile"; tabControl1.Controls.Add(tbMobile); Form6 form = new Form6(); form.TopLevel = false; form.BackColor = Color.White; form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; form.FormBorderStyle = FormBorderStyle.None; form.Show(); tbMobile.Controls.Add(form); } tabControl1.SelectedTab = tbMobile; } else if (treeView1.SelectedNode.Name=="union") { if (ErgodicModiForm("tbunion", tabControl1)) { tbUnion = new TabPage("中国联通"); tbUnion.Name = "tbunion"; tabControl1.Controls.Add(tbUnion); Form2 form = new Form2(); form.TopLevel = false; form.BackColor = Color.White; form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; form.FormBorderStyle = FormBorderStyle.None; form.Show(); tbUnion.Controls.Add(form); } tabControl1.SelectedTab = tbUnion; } } /// </summary> /// <param name="MainTabControlKey">选项卡的键值</param> /// <param name="objTabControl">要添加到的TabControl对象</param> /// <returns></returns> private Boolean ErgodicModiForm(string MainTabControlKey, TabControl objTabControl) { //遍历选项卡判断是否存在该子窗体 foreach (Control con in objTabControl.Controls) { TabPage tab = (TabPage)con; if (tab.Name == MainTabControlKey) { return false;//存在 } } return true;//不存在 } }