参考
protected override void OnPaint (System.Windows.Forms.PaintEventArgs e )
{
Font font = new Font("黑体",28);///定义字体:黑体,大小:28
SolidBrush bluepen = new SolidBrush(Color.Blue);///创建蓝色画笔
SolidBrush blackpen = new SolidBrush(Color.FromARGB(0xa0,0xa0,0xb0));///创建黑色画笔
e.Graphics.DrawString("理论联系实际",font,blackpen,65,25);///写字符串