WM_ACTIVATE - Parameters

usactive (USHORT)

Active indicator.

TRUE

The window is being activated
FALSE
The window is being deactivated.

hwnd (HWND)

Window handle.

In the case of activation, hwnd identifies the window being activated. In the case of deactivation, hwnd identifies the window being deactivated.

ulReserved (ULONG)

Reserved value, should be 0.

---

[Back: WM_ACTIVATE Return Value - ulReserved]
[Next: WM_ACTIVATE - Syntax]