LScreenCapture::IsCaptureActive

#include "ltwrappr.h"

static L_BOOL LScreenCapture::IsCaptureActive(void)

Indicates whether a capture process has been started.

Returns

TRUE	There is an active capture operation.
FALSE	There is not an active capture operation.

Comments

You should stop a previously started capture process before starting another, or before the calling thread terminates.

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.

See Also

Functions:

Class Members

Example

/* this is a Microsoft header file and is required for _beginthread */
#include <process.h>

L_VOID __cdecl CaptureThread( L_VOID *pDummy );

LBitmap LeadBitmap;
LScreenCapture ScreenCapture(&LeadBitmap);

L_VOID MyFunction(HWND hWnd)
{
   _beginthread(CaptureThread, 0, 0);

   /// place some delay so that the thread is called
   Sleep(1000);
   while(ScreenCapture.IsCaptureActive())
      {
         ScreenCapture.StopCapture();
         MessageBox(hWnd, TEXT("Capture operation aborted by user."), TEXT("Info"), MB_OK);
      }
}

L_VOID __cdecl CaptureThread(L_VOID *pDummy)
{
   int nRet = ScreenCapture.CaptureActiveWindow();
   MessageBox(0, TEXT("Capture Thread Terminated."), TEXT("Info"), MB_OK);

   return;
}