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  • C#:绘制Winform窗体

    Winform窗体缺少左上角效果:

     public void SetWindowRegion()
            {
                System.Drawing.Drawing2D.GraphicsPath FormPath;
                FormPath = new System.Drawing.Drawing2D.GraphicsPath();
                Rectangle rect = new Rectangle(0, 0, this.Width, this.Height);
                int diameter = 20;
                FormPath .AddRectangle(new Rectangle(rect.Location.X + diameter, rect.Location.Y, rect.Width - diameter, rect.Height));
                FormPath .AddRectangle(new Rectangle(rect.Location.X, rect.Location.Y + diameter, diameter, rect.Height - diameter));
                            path.CloseFigure();
    
                this.Region = new Region(FormPath);
    
            }
    
            protected override void OnResize(System.EventArgs e)
            {
    
                this.Region = null;
    
                SetWindowRegion();
    
            }        
    View Code


    参考:Winform窗体四圆角效果:

    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();
    
    }
    View Code
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  • 原文地址:https://www.cnblogs.com/shenchao/p/5502864.html
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