Function GetVirtualDesktopRect

source/util.cpp:1847–1859

void GetVirtualDesktopRect(RECT &aRect)
{
	aRect.right = GetSystemMetrics(SM_CXVIRTUALSCREEN);
	if (aRect.right) // A non-zero value indicates the OS supports multiple monitors or at least SM_CXVIRTUALSCREEN.
	{
		aRect.left = GetSystemMetrics(SM_XVIRTUALSCREEN);  // Might be negative or greater than zero.
		aRect.right += aRect.left;
		aRect.top = GetSystemMetrics(SM_YVIRTUALSCREEN);   // Might be negative or greater than zero.
		aRect.bottom = aRect.top + GetSystemMetrics(SM_CYVIRTUALSCREEN);
	}
	else // Win95/NT do not support SM_CXVIRTUALSCREEN and such, so zero was returned.
		GetWindowRect(GetDesktopWindow(), &aRect);
}