打印预览对话框打印按钮不起作用 [英] Print preview dialog box print button not working

问题描述

嗨朋友们，



我在打印时遇到一个小问题。当我尝试从打印预览对话框中打印文档时。它不打印任何东西。如果我隐藏预览对话框并调用 pdoc.Print（）; 它的工作完美。预览对话框按钮是否有任何特殊事件。请帮忙...

Hi Friends,

I have a small issue in printing. When i try to print a document from the print preview dialog box. its not printing anything. If i hide the preview dialog and invoke pdoc.Print(); its work perfect. Is there any special event for preview dialog button. please help...

public void print()
       {
           PrintDialog pd = new PrintDialog();
           PrintDocument pdoc = new PrintDocument();
           int w=Convert.ToInt32(Length/2.54)*100;
           int h = Convert.ToInt32(Width / 2.54) * 100;
           //pdoc.DefaultPageSettings.Landscape = true;
           PaperSize psize = new PaperSize("Custom", w, h);
           pdoc.DefaultPageSettings.PaperSize = psize;
           pd.Document = pdoc;
           pdoc.PrintPage += new PrintPageEventHandler(pdoc_PrintPage);
           DialogResult result = pd.ShowDialog();
           if (result == DialogResult.OK)
           {
               PrintPreviewDialog ppd = new PrintPreviewDialog();
               ppd.Document = pdoc;
               ppd.PrintPreviewControl.Zoom = 1.0;
               ((Form)ppd).WindowState = FormWindowState.Maximized;
               DialogResult ppdResult = ppd.ShowDialog();
               // if i comment the above  line and uncomment pdoc.Print(); i can save the print as pdf.
              // pdoc.Print();
           }
       }

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