hWndC = capCreateCaptureWindow (
    	    	    (LPSTR) "My Capture Window", // window name if pop-up 
	    	    WS_CHILD | WS_VISIBLE,       // window style 
    	    	    1, 1, 160, 120,              // window position and dimensions
    	    	    (HWND) hwnd, 
    	    	    (int) nID /* child ID */); 
	SendMessage (hWndC, WM_CAP_DRIVER_CONNECT, 0, 0L); 
	capPreviewRate(hWndC, 30);     // rate, in milliseconds
	capPreview(hWndC, TRUE);       // starts preview