• C# WinForm 绘制圆角窗体


    public void SetWindowRegion()
    {
    System.Drawing.Drawing2D.GraphicsPath FormPath;
    FormPath = new System.Drawing.Drawing2D.GraphicsPath();
    Rectangle rect = new Rectangle(0, 22, this.Width, this.Height - 22);//this.Left-10,this.Top-10,this.Width-10,this.Height-10);
        FormPath = GetRoundedRectPath(rect, 30);
    this.Region = new Region(FormPath);
    }
    private GraphicsPath GetRoundedRectPath(Rectangle rect, int radius)
    {
    int diameter = radius;
    Rectangle arcRect = new Rectangle(rect.Location, new Size(diameter, diameter));
    GraphicsPath path = new GraphicsPath();
    //   左上角
        path.AddArc(arcRect, 180, 90);
    //   右上角
        arcRect.X = rect.Right - diameter;
    path.AddArc(arcRect, 270, 90);
    //   右下角
        arcRect.Y = rect.Bottom - diameter;
    path.AddArc(arcRect, 0, 90);
    //   左下角
        arcRect.X = rect.Left;
    path.AddArc(arcRect, 90, 90);
    path.CloseFigure();
    return path;
    }
    protected override void OnResize(System.EventArgs e)
    {
    this.Region = null;
    SetWindowRegion();
    }

    教你一招:构造圆角窗体 
    http://topic.csdn.net/t/20041128/19/3596094.html 

    增加命名空间:using System.Drawing.Drawing2D; 
    添加方法如下:当然各角的点可根据需要确定.
    复制  保存
    private void Type(Control sender, int p_1, double p_2)
    {
    GraphicsPath oPath = new GraphicsPath();
    oPath.AddClosedCurve(
    new Point[] {
    new Point(0, sender.Height / p_1),
    new Point(sender.Width / p_1, 0),
    new Point(sender.Width - sender.Width / p_1, 0),
    new Point(sender.Width, sender.Height / p_1),
    new Point(sender.Width, sender.Height - sender.Height / p_1),
    new Point(sender.Width - sender.Width / p_1, sender.Height),
    new Point(sender.Width / p_1, sender.Height),
    new Point(0, sender.Height - sender.Height / p_1) },
    (float) p_2);
    sender.Region = new Region(oPath);
    }

    在窗体的paint和resize事件中增加:Type(this,20,0.1); 
    参数20和0.1也可以根据自己的需要调整到最佳效
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  • 原文地址:https://www.cnblogs.com/lzhdim/p/1368869.html
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