EnumWindowsProc callback function
An application-defined callback function used with the EnumWindows or EnumDesktopWindows function. It receives top-level window handles. The WNDENUMPROC type defines a pointer to this callback function. EnumWindowsProc is a placeholder for the application-defined function name.
Syntax
BOOL CALLBACK EnumWindowsProc(
_In_ HWND hwnd,
_In_ LPARAM lParam
);
Parameters
hwnd [in]
A handle to a top-level window.lParam [in]
The application-defined value given in EnumWindows or EnumDesktopWindows.
Return value
To continue enumeration, the callback function must return TRUE; to stop enumeration, it must return FALSE.
Remarks
An application must register this callback function by passing its address to EnumWindows or EnumDesktopWindows.
Requirements
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
Winuser.h (include Windows.h) |
See also
Reference
Conceptual
Other Resources