使用C#Windows应用程序打印表单

问题描述

海专家


我想打印一个用户填写的实验室帐单"表格，而无需创建报告.我是Windows Apps的新手，(大多熟悉Asp.net).
我的代码如下所示
1)在一个按钮中单击此代码

Hai Experts


I want to print a ''Lab bill" Form that the user has filled out without having to create a report. I am new to Windows Apps, (mostly famliar with Asp.net).
My code is given bellow
1) this code in a button click

ControlPrint mp = new ControlPrint(panel1);
           mp.PrintWidth = mp.CalculateSize().Width;
           mp.PrintHeight = mp.CalculateSize().Height;
        PrintDialog PrintDialog1 = new PrintDialog();

           System.Drawing.Printing.PrintDocument docToPrint =
              new System.Drawing.Printing.PrintDocument();

           PrintDialog1.AllowSomePages = true;


           PrintDialog1.ShowHelp = true;

           PrintDialog1.Document = docToPrint;

           DialogResult result = PrintDialog1.ShowDialog();


           if (result == DialogResult.OK)
           {
               docToPrint.Print();
           }

2)

2)

public void StartPrint(Stream streamToPrint, string streamType)
        {
            this.printDocument1.PrintPage += new PrintPageEventHandler(printDocument1_PrintPage);

            this.streamToPrint = streamToPrint;
            this.streamType = streamType;
            System.Windows.Forms.PrintDialog PrintDialog1 = new PrintDialog();
            PrintDialog1.AllowSomePages = true;
            PrintDialog1.ShowHelp = true;
            PrintDialog1.Document = printDocument1;

            DialogResult result = PrintDialog1.ShowDialog();
            if (result == DialogResult.OK)
            {

                printDocument1.Print();

            }

        }

但是我尝试了这个示例，并且只从打印机中取出空白页
我的代码有什么问题，请帮帮我
我提前致谢

but I tried this example and only get a blank page out of the printer
what is the problem in my code and please help me
i give a thanks in advance

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