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WINEVENTPROC

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WINEVENTPROC defines a pointer type for an application-defined callback function that the system calls in response to events generated by an accessible object.

typedef VOID (CALLBACK* WINEVENTPROC)(
  HWINEVENTHOOK  hWinEventHook,
  DWORD          event,
  HWND           hwnd,
  LONG           idObject,
  LONG           idChild,
  DWORD          idEventThread,
  DWORD          dwmsEventTime);

Remarks

For more information, see WinEventProc Callback Function.

Requirements

**  Windows NT/2000/XP/Server 2003:** Included in Windows 2000 and later.
**  Windows 95/98/Me:** Included in Windows 98 and later.
**  Redistributable:** Requires Active Accessibility 1.3 RDK on Windows NT 4.0 SP6 and Windows 95.
**  Header:** Declared in Winuser.h (WINVER >= 0x0500).