LScreenCapture::CaptureActiveWindow

#include "ltwrappr.h"

virtual L_INT LScreenCapture::CaptureActiveWindow(L_VOID)

Captures an image of the current active window 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::CaptureWindow, Class Members

Example

L_INT LScreenCapture__CaptureActiveWindowExample(HWND hWnd)
{
   L_INT nRet;
   HDC hDC;
   RECT rcClientRect;
   LBitmap LeadBitmap;
   LScreenCapture screenCapture(&LeadBitmap);
   // capture ActiveWindow - HotKey = F11
   // Press the hotkey after calling the function to activate capture
   nRet = screenCapture.CaptureActiveWindow();
   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;
   return SUCCESS;
}