private void CustomButton_Paint(object sender, 

System.Windows.Forms.PaintEventArgs e)

{

   //初始化一个GraphicsPath类的对象

   System.Drawing.Drawing2D.GraphicsPath myGraphicsPath  = new 

System.Drawing.Drawing2D.GraphicsPath();

   //确定一个字符串，该字符串就是控件的形状

   string stringText = "Click Me!";

   //确定字符串的字体

   FontFamily family = new FontFamily("Arial");

   //确定字符串的风格

   int fontStyle = (int)FontStyle.Bold;

   //确定字符串的高度

   int emSize = 35;

   //确定字符串的起始位置，它是从控件开始计算而非窗体

   PointF origin = new PointF(0, 0);

   //一个StringFormat对象来确定字符串的字间距以及对齐方式

   StringFormat format = new StringFormat(StringFormat.GenericDefault);

   //用AddString方法创建字符串

   myGraphicsPath.AddString(stringText, family, fontStyle, emSize, origin, format);

   //将控件的Region属性设置为上面创建的GraphicsPath对象

   CustomButton.Region = new Region(myGraphicsPath);

}

private void CustomButton_Click(object sender, System.EventArgs e)

{

   CustomButton.BackColor = Color.BlanchedAlmond;

}

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