using
System;
using
System.ComponentModel;
using
System.Data;
using
System.Drawing;
using
System.Text;
using
System.Windows.Forms;
using
System.Drawing.Printing;
namespace
print_recipt
{
public
partial
class
Form2 : Form
{
public
Form2()
{
InitializeComponent();
}
[System.Runtime.InteropServices.DllImport(
"gdi32.dll"
)]
public
static
extern
long
BitBlt(IntPtr hdcDest,
int
nXDest,
int
nYDest,
int
nWidth,
int
nHeight, IntPtr hdcSrc,
int
nXSrc,
int
nYSrc,
int
dwRop);
private
Bitmap memoryImage;
private
void
CaptureScreen()
{
Graphics mygraphics =
this
.CreateGraphics();
Size s =
this
.Size;
memoryImage =
new
Bitmap(s.Width, s.Height, mygraphics);
Graphics memoryGraphics = Graphics.FromImage(memoryImage);
IntPtr dc1 = mygraphics.GetHdc();
IntPtr dc2 = memoryGraphics.GetHdc();
BitBlt(dc2, 0, 0,
this
.ClientRectangle.Width,
this
.ClientRectangle.Height, dc1, 0, 0, 13369376);
mygraphics.ReleaseHdc(dc1);
memoryGraphics.ReleaseHdc(dc2);
}
private
void
button1_Click(
object
sender, EventArgs e)
{
CaptureScreen();
printPreviewDialog1.ShowDialog(); ;
}
private
void
printDocument1_PrintPage(
object
sender, PrintPageEventArgs e)
{
e.Graphics.DrawImage(memoryImage, 0, 0);
}
}
}