mutAccessData.lock();			if (boolWindowed == true)			{				//Not windowed, as soon as this is hit and the message pump interrupts this thread the fullscreen settings				//get overwritten.				boolWindowed = false;				//Set the windows handle to the fullscreen popup style (no border).				SetWindowLongPtr(hWnd, GWL_STYLE, WS_POPUP);				SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, intFSWidth, intFSHeight, 0);				//Display the screen with the new settings.				ShowWindow(hWnd, SW_SHOW);				mutAccessData.unlock();			}			else			{				//We are now using a window				boolWindowed = true;				//Set the windows handle to the windowed settings with a normal framed window.				SetWindowLongPtr(hWnd, GWL_STYLE, WS_OVERLAPPEDWINDOW);				//Put the window where we normally put it (accounting for half the frames pixels).				SetWindowPos(hWnd, HWND_NOTOPMOST, intLeft, intTop, intWWidth + WINDOWFRAMEWIDTH, intWHeight + WINDOWFRAMEHEIGHT, 0);				//Display the screen with the new settings.				ShowWindow(hWnd, SW_SHOW);				mutAccessData.unlock();			}