本文共 1653 字，大约阅读时间需要 5 分钟。

    
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
namespace yishuzi
{
    public partial class Form1 : Form
    {
        private Bitmap bu;
        private Graphics pen;
        private Font f;
        private LinearGradientBrush b;
        private Point p;
        public Form1()
        {
            InitializeComponent();
            bu = new Bitmap(this.pbox.Width, this.pbox.Height);
            pen = Graphics.FromImage(bu);
            f = new Font("@方正舒体", 60, FontStyle.Bold | FontStyle.Italic);
            b = new LinearGradientBrush(new Point(0, 0), new Point(0, 100), Color.Red, Color.Yellow);
        }
        private void huatu()
        {
            string s = this.tbox.Text;
            if (s.Length == 0)
                return;
            int n = s.Length;
            for (int i = 0; i < n; i++)
            {
                p = new Point(70 * i, 0);
                pen.DrawString(s[i].ToString(), f, b, p);
            }
        }
        private void tbox_TextChanged(object sender, EventArgs e)
        {
            pen.Clear(Color.White);
            huatu();
            pbox.Image = bu;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            SaveFileDialog save = new SaveFileDialog();
            save.Filter = "(*.ico)|*.ico|(*.png)|*.png";
            if (save.ShowDialog() == DialogResult.OK)
            {
                bu.Save(save.FileName);
            }
        }
    }
}

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