打印Windows窗体的特定区域

private void PrintButton_Click(object sender, EventArgs e)
{
    // 获取特定区域的坐标和尺寸信息
    int x = 100;
    int y = 100;
    int width = 200;
    int height = 200;
    
    // 创建PrintDocument对象
    PrintDocument printDocument = new PrintDocument();
    
    // 实现PrintPage事件
    printDocument.PrintPage += (s, args) =>
    {
        // 获取Graphics对象
        Graphics graphics = args.Graphics;
        
        // 创建一个用于打印的Bitmap对象
        Bitmap bitmap = new Bitmap(width, height);
        
        // 获取特定区域的截图
        using (Graphics formGraphics = this.CreateGraphics())
        {
            using (Bitmap formBitmap = new Bitmap(width, height, formGraphics))
            {
                using (Graphics bitmapGraphics = Graphics.FromImage(formBitmap))
                {
                    // 将特定区域的内容绘制到Bitmap对象中
                    bitmapGraphics.CopyFromScreen(this.Location.X + x, this.Location.Y + y, 0, 0, formBitmap.Size);
                    graphics.DrawImage(formBitmap, new Point(0, 0));
                }
            }
        }
    };
    
    // 调用Print方法，开始打印
    PrintDialog printDialog = new PrintDialog();
    printDocument.PrinterSettings = printDialog.PrinterSettings;
    if (printDialog.ShowDialog() == DialogResult.OK)
    {
        printDocument.Print();
    }
}