WinForm绘制文本--字体加粗、倾斜、下划线

　　　　 Graphics g;
        Font font;
        Brush brush;
        string fontString = "";
        private void button1_Click(object sender, EventArgs e)
        {
            //宋体，14号，蓝色，正常
            g = this.CreateGraphics();
            font = new Font("宋体", 14);
            brush = new SolidBrush(Color.Blue);
            fontString = "宋体，14号，蓝色，正常";
            g.DrawString(fontString, font, brush, 20, 10);

        }

        private void button2_Click(object sender, EventArgs e)
        {
            //宋体，14号，红色，加粗
            g = this.CreateGraphics();
            font = new Font("宋体", 14,FontStyle.Bold);
            brush = new SolidBrush(Color.Red);
            fontString = "宋体，14号，红色，加粗";
            g.DrawString(fontString, font, brush, 20, 50);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            //隶书，16号，绿色，有下划线
            g = this.CreateGraphics();
            font = new Font("隶书", 16,FontStyle.Underline);
            brush = new SolidBrush(Color.Green);
            fontString = "隶书，16号，绿色，有下划线";
            g.DrawString(fontString, font, brush, 20, 90);
        }

        private void button4_Click(object sender, EventArgs e)
        {
            //黑体，20号，灰色，倾斜
            g = this.CreateGraphics();
            font = new Font("黑体", 20,FontStyle.Italic);
            brush = new SolidBrush(Color.Blue);
            fontString = "黑体，20号，灰色，倾斜";
            g.DrawString(fontString, font, brush, 20, 130);
        }