private void CaptureScreen()
{
Graphics mygraphics = this.panel1.CreateGraphics();
Size s = this.panel1.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 Printbutton_Click(object sender, System.EventArgs e)
{
System.Drawing.Printing.PrintDocument pd =new PrintDocument();
CaptureScreen();
pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);
PrintPreviewDialog printPreviewDialog1 =new PrintPreviewDialog ();
printPreviewDialog1.Document =pd;
printPreviewDialog1.ShowDialog() ;
pd.DocumentName = "堆芯图";
pd.OriginAtMargins = true;
pd.Print();
}
private void pd_PrintPage(object sender,PrintPageEventArgs ev)
{
ev.Graphics.DrawImage(memoryImage, 0, 0); }这样只能截到满屏的啊
{
Graphics mygraphics = this.panel1.CreateGraphics();
Size s = this.panel1.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 Printbutton_Click(object sender, System.EventArgs e)
{
System.Drawing.Printing.PrintDocument pd =new PrintDocument();
CaptureScreen();
pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);
PrintPreviewDialog printPreviewDialog1 =new PrintPreviewDialog ();
printPreviewDialog1.Document =pd;
printPreviewDialog1.ShowDialog() ;
pd.DocumentName = "堆芯图";
pd.OriginAtMargins = true;
pd.Print();
}
private void pd_PrintPage(object sender,PrintPageEventArgs ev)
{
ev.Graphics.DrawImage(memoryImage, 0, 0); }这样只能截到满屏的啊
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在Bitmap如何画?
And how can i create a bitmap and draw the same in it ?