WTSRegisterSessionNotificationEx

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
@system extern (Windows)
static if(_WIN32_WINNT >= 0x600)
WINBOOL
WTSRegisterSessionNotificationEx
(
HANDLE hServer
,
HWND hWnd
,
DWORD dwFlags
)

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