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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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