DWORD GetCurrentActiveWindowsProcessId()
{
HWND hWnd = GetActiveWindow();
DWORD processId = 0;
GetWindowThreadProcessId(hWnd, &processId);
return processId;
}
BOOL HasFocus() {
DWORD active_process = GetCurrentActiveWindowsProcessId();
DWORD current_process = ::GetCurrentProcessId();
return current_process == active_process ;
}
