如何在WinFormc#中打印面板

本文关键字：打印 WinFormc# | 更新日期: 2023-09-27 18:26:53

我有一个面板，里面有标签和数据网格视图。我正在尝试使用此代码打印面板及其内容

    PrintDialog myPrintDialog = new PrintDialog();
        System.Drawing.Bitmap memoryImage = new System.Drawing.Bitmap(panel2.Width, panel2.Height);
        panel2.DrawToBitmap(memoryImage, panel2.ClientRectangle);
        myPrintDialog.ShowDialog();
            System.Drawing.Printing.PrinterSettings values;
            values = myPrintDialog.PrinterSettings;
            myPrintDialog.Document = printDocument1;
            printDocument1.PrintController = new StandardPrintController();
            printDocument1.Print();
        printDocument1.Dispose();

但它什么也没印。我删除了数据网格视图，但仍然不打印任何内容。然后我改变了面板的背面颜色，但它再次打印出白色页面。请指导我怎么做？

如何在WinFormc#中打印面板

将此代码添加到PrintPage事件并从PrintDocument类对象调用Print()方法

private void doc_PrintPage(object sender, PrintPageEventArgs e)
{
    float x = e.MarginBounds.Left;
    float y = e.MarginBounds.Top;
    Bitmap bmp = new Bitmap(panel2.Width, panel2.Height);
    panel2.DrawToBitmap(bmp, new Rectangle(0, 0, panel2.Width, panel2.Height));
    e.Graphics.DrawImage((Image)bmp, x, y);
}

调用类似的方法

PrintDocument doc = new PrintDocument();
doc.PrintPage += this.doc_PrintPage;
PrintDialog dlg = new PrintDialog();
dlg.Document = doc;
if (dlg.ShowDialog() == DialogResult.OK)
{
    doc.Print();
}
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