EnumChildProc

The EnumChildProc function is an application-defined callback function used with the EnumChildWindows function. It receives the child window handles. The WNDENUMPROC type defines a pointer to this callback function. EnumChildProc is a placeholder for the application-defined function name.

BOOL CALLBACK EnumChildProc(
  HWND hwnd,      // handle to child window
  LPARAM lParam   // application-defined value
);
 

Parameters

hwnd

Handle to a child window of the parent window specified in EnumChildWindows.

lParam

Specifies the application-defined value given in EnumChildWindows.

Return Values

To continue enumeration, the callback function must return TRUE; to stop enumeration, it must return FALSE.

Remarks

The callback function can carry out any desired task.

An application must register this callback function by passing its address to EnumChildWindows.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in winuser.h.
  Import Library: User-defined.

See Also

Windows Overview, Window Functions, EnumChildWindows