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LEADTOOLS Raster imaging C++ Class library help

LScreenCapture::CaptureSelectedObject

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#include "ltwrappr.h"

virtual L_INT LScreenCapture::CaptureSelectedObject(L_VOID)

Captures an image of the selected Windows object into the associated class object's bitmap.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

The hot key needs to be pressed to complete the capture.

Required DLLs and Libraries

LTDIS
LTSCR

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

See Also

Functions:

LScreenCapture::CaptureObjectOptionDlg, Class Members

Example

L_INT LScreenCapture__CaptureSelectedObjectExample(HWND hWnd)
{
   L_INT nRet;
   HDC hDC;
   RECT rcClientRect;
   LBitmap LeadBitmap;
   LScreenCapture screenCapture(&LeadBitmap);
   // display a dialog to select Object options
   nRet = screenCapture.CaptureObjectOptionDlg(hWnd, 0);
   if(nRet == SUCCESS)
   {
      // capture SelectedObject - HotKey = F11
      // Press the hotkey after calling the function to activate capture
      nRet = screenCapture.CaptureSelectedObject();
      if(nRet == SUCCESS)
      {
         hDC = GetDC(hWnd);
         GetClientRect(hWnd, &rcClientRect);
         LeadBitmap.Paint()->SetDC(hDC);
         nRet = LeadBitmap.SetDstRect(&rcClientRect);
         if(nRet != SUCCESS)
            return nRet;
         nRet = LeadBitmap.Paint()->PaintDC();
         if(nRet != SUCCESS)
            return nRet;
         ReleaseDC(hWnd, hDC);
      }
      else
         return nRet;
   }
   else
      return nRet;
   return SUCCESS;
}
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