private void User_Load_1(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Normal)
{
SetWindowRegion();
}
else
{
this.Region = null;
}
}
public void SetWindowRegion()
{
System.Drawing.Drawing2D.GraphicsPath FormPath;
FormPath = new System.Drawing.Drawing2D.GraphicsPath();
Rectangle rect = new Rectangle(0, 0, this.Width, this.Height);
FormPath = GetRoundedRectPath(rect, 10);
this.Region = new Region(FormPath);
}
/// <summary>
///
/// </summary>
/// <param name="rect">窗体大小</param>
/// <param name="radius">圆角大小</param>
/// <returns></returns>
private GraphicsPath GetRoundedRectPath(Rectangle rect, int radius)
{
int diameter = 20;
Rectangle arcRect = new Rectangle(rect.Location, new Size(diameter, diameter));
GraphicsPath path = new GraphicsPath();
path.AddArc(arcRect, 180, 90);//左上角
arcRect.X = rect.Right - diameter;//右上角
path.AddArc(arcRect, 270, 90);
arcRect.Y = rect.Bottom - diameter;// 右下角
path.AddArc(arcRect, 0, 90);
arcRect.X = rect.Left;// 左下角
path.AddArc(arcRect, 90, 90);
path.CloseFigure();
return path;
}
