如何打印硬盘上的一个文件？

Question

有个html或者txt 在 C:\abc.html(txt) 处，我想写个winform直接打印出该文件，请问是否可行？代码如何写？谢谢！

Answer 1

 private void mnuFileOpen_Click(object sender, System.EventArgs e)
        {
            if (dlgOpen.ShowDialog()==DialogResult.OK)
            {
                StreamReader sr=null;
                try
                {
                    sr=new StreamReader(dlgOpen.FileName,Encoding.Default,true);
                    txtDoc.Text=sr.ReadToEnd();
                }
                catch
                {
                    MessageBox.Show("打开文件失败！","错误",MessageBoxButtons.OK,MessageBoxIcon.Error);
                }
                finally
                {
                    if (sr!=null) sr.Close();
                }
            }
        }        private void mnuFormatFont_Click(object sender, System.EventArgs e)
        {
            dlgFont.Font=txtDoc.Font;
            if (dlgFont.ShowDialog()==DialogResult.OK)
            {
                txtDoc.Font=dlgFont.Font;
            }
        }        private void pdoc_BeginPrint(object sender, System.Drawing.Printing.PrintEventArgs e)
        {
            //MessageBox.Show("开始打印啦");
        }        private void pdoc_EndPrint(object sender, System.Drawing.Printing.PrintEventArgs e)
        {
            //MessageBox.Show("打印结束");
        }        private void pdoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            Graphics g=e.Graphics;
            float lineHeight=txtDoc.Font.GetHeight(g);
            int linesPerPage=(int)(e.MarginBounds.Height/lineHeight);
            int count=0;  //本页已打印行数            while (count<linesPerPage && totalLines<txtDoc.Lines.Length)
            {
                g.DrawString(txtDoc.Lines[totalLines],txtDoc.Font,Brushes.Black,e.MarginBounds.X,e.MarginBounds.Y+lineHeight*count);
                count++;
                totalLines++;
            }            if (totalLines<txtDoc.Lines.Length)
            {
                e.HasMorePages=true;
            }
            else
            {
                e.HasMorePages=false;
                totalLines=0;
            }
        }        private void mnuFilePrint_Click(object sender, System.EventArgs e)
        {
            if (dlgPrinterSetup.ShowDialog()==DialogResult.OK)
            {
                pdoc.Print();  //开始执行打印
            }
        }
        private void mnuFilePrintPreview_Click(object sender, System.EventArgs e)
        {
            ppd.ShowDialog();
        }        private void mnuFilePageSetup_Click(object sender, System.EventArgs e)
       {
            Margins oldMargins=dlgPageSetup.PageSettings.Margins;
            dlgPageSetup.PageSettings.Margins=new Margins((int)(oldMargins.Left*2.54),(int)(oldMargins.Right*2.54),(int)(oldMargins.Top*2.54),(int)(oldMargins.Bottom*2.54));
            if (dlgPageSetup.ShowDialog()==DialogResult.Cancel)
            {
                dlgPageSetup.PageSettings.Margins=oldMargins;
            }
        }
    }
}

Answer 2

http://msdn.microsoft.com/zh-cn/library/9yfktb35(VS.80).aspx
这个也可以参考!

Answer 3

你是说print到screen？还是要用printer？

Answer 4

认真看了下代码，如果目标文件是个 html ，那么好像就会打印html源代码出来吧？
是否可以打印html布局页面出来呢？

Answer 5

Guyschaos，请问是否有办法解决呢？当然最好不要解析 html

Answer 6

放到 webbrowser 内，然后 webbrowser1.Print() 就成功了，非常方便，超级感谢 Guyschaos，亲个，。。