1 public Form1()
 2 {
 3 InitializeComponent();
 4 string gs2 = @"A=\frac{\pi D^{2}}{4}=0.283\mathrm{m}^{2}";
 5 RenderMathFormula(gs2, pictureBox2);
 6 
 7 string gs1 = @"y=A\sin(\omega x+\varphi)+k";
 8 RenderMathFormula(gs1, pictureBox1);
 9 
10 }
11 
12 /// <summary>
13 /// 将 LaTeX 公式渲染为 WinForms 图片
14 /// </summary>
15 private void RenderMathFormula(string latex,PictureBox pictureBox)
16 {
17 Image image = null;
18 try
19 {
20 // 1. 获取解析器单例
21 var parser = WpfTeXFormulaParser.Instance;
22 // 2. 解析公式
23 var formula = parser.Parse(latex);
24 // 3. 创建WPF渲染环境
25 var environment = WpfTeXEnvironment.Create(
26 style: TexStyle.Display,
27 scale: 1,
28 systemTextFontName: "Microsoft YaHei"
29 );
30 // 4. 渲染为WPF位图
31 BitmapSource bitmapSource = formula.RenderToBitmap(environment);
32 // 5. 转换为 WinForms 可用的 Bitmap
33 using (var stream = new MemoryStream())
34 {
35 // 编码为 PNG
36 var encoder = new PngBitmapEncoder();
37 encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
38 encoder.Save(stream);
39 stream.Position = 0;
40 // 创建 WinForms Bitmap
41 var bitmap = new System.Drawing.Bitmap(stream);
42 // 显示在 PictureBox 中
43 image = bitmap;
44 }
45 }
46 catch (TexException ex)
47 {
48 MessageBox.Show($"公式语法错误: {ex.Message}", "渲染失败",MessageBoxButtons.OK, MessageBoxIcon.Warning);
49 }
50 catch (Exception ex)
51 {
52 MessageBox.Show($"公式渲染失败: {ex.Message}", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
53 }
54 pictureBox.Image=image;
55 pictureBox.SizeMode=PictureBoxSizeMode.AutoSize;
56 }
57 
58 private void button1_Click(object sender, EventArgs e)
59 {
60 string gs3 = @"y="+A.Text+@"\sin(" + ω.Text + @" x+" + φ.Text + @")+" + k.Text;
61 RenderMathFormula(gs3, pictureBox3);
62 }