C#

<br />
try<br />
{<br />
PrintDia=new PrintDialog();<br />
PrintDia.Document=printDocument1;<br />
string content=this.RitchEditor.Text;<br />
StrReader=new StringReader(content);<br />
if(PrintDia.ShowDialog()==DialogResult.OK)<br />
{<br />
this.printDocument1.Print();<br />
}<br />
}<br />
catch(Exception Ex)<br />
{<br />
MessageBox.Show(Ex.Message.ToString());<br />
}<br />

<br />
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)<br />
		{<br />
			try<br />
			{<br />
			float Lines_Per_Page = 0;<br />
			float Y_Position     = 0; <br />
			int Count            = 0;<br />
			float Left_Margin    = e.MarginBounds.Left;<br />
			float Top_Margin   = e.MarginBounds.Top;<br />
<br />
			string Line = null;<br />
			Font fnt    = Editor.Font;<br />
			SolidBrush Solid = new SolidBrush(Color.Black);<br />
<br />
			Lines_Per_Page=e.MarginBounds.Height/Font.GetHeight(e.Graphics);<br />
<br />
            while(Count < Lines_Per_Page &&  ((Line=StrReader.ReadLine())!=null ))<br />
	<br />
			{<br />
<br />
				// calculate the next line position based on<br />
				// the height of the font according to the printing device <br />
				Y_Position =Top_Margin + (Count * fnt.GetHeight(e.Graphics));<br />
<br />
				// draw the next line in the rich edit control <br />
<br />
				e.Graphics.DrawString(Line ,fnt ,Solid ,Left_Margin ,Y_Position ,new StringFormat());<br />
				<br />
				Count++;<br />
			}<br />
<br />
           if(Line !=null)<br />
			   e.HasMorePages=true;<br />
			else<br />
			   e.HasMorePages=false;<br />
		}<br />
		catch(Exception Ex)<br />
	{<br />
		MessageBox.Show(Ex.Message.ToString());<br />
	}<br />
<br />
   <br />
		}

[DllImport("user32.dll", CharSet=CharSet.Auto)]
extern static IntPtr SendMessage(IntPtr hWnd, uint msg, IntPtr wParam, string lParam);