private void Form1_Paint(object sender, PaintEventArgs e)
{
//浮雕文字
Brush backBrush = Brushes.Black;
Brush foreBrush = Brushes.White;
Font font = new Font("宋体", Convert.ToInt16(40), FontStyle.Regular);
Graphics g = this.CreateGraphics();
string text = "博客园";
SizeF size = g.MeasureString(text, font);
Single posX = (this.Width - Convert.ToInt16(size.Width)) / 2;
Single posY = (this.Height - Convert.ToInt16(size.Height)) / 2;
g.DrawString(text, font, backBrush, posX+1, posY+1);
g.DrawString(text, font, foreBrush, posX, posY);
}