获取字符串像素宽度及高度

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Graphics graphics = CreateGraphics();

            SizeF sizeF = graphics.MeasureString(textBox1.Text, new Font("宋体", 9));

            MessageBox.Show(string.Format("字体宽度：{0}，高度：{1}", sizeF.Width, sizeF.Height));

            graphics.Dispose();
        }
    }
}