Function HelpersRegisterActiveWindow

Rtxpt/SampleCommon/SampleCommon.cpp:175–179

#ifdef _WIN32
static std::atomic<HWND>    g_hActiveParentWindow(NULL);
void HelpersRegisterActiveWindow()
{
    g_hActiveParentWindow.store( GetActiveWindow() );
    assert( g_hActiveParentWindow.load() != NULL );
}
HWND HelpersGetActiveWindow()
{
    return g_hActiveParentWindow.load();