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Enumerates the child windows that belong to the specified parent window by passing the handle to each child window, in turn, to an application-defined callback function. EnumChildWindows continues until the last child window is enumerated or the callback function returns FALSE .

Syntax

BOOL EnumChildWindows(
  [in, optional] HWND        hWndParent,
  [in]           WNDENUMPROC lpEnumFunc,
  [in]           LPARAM      lParam

Parameters

[in, optional] hWndParent

Type: HWND

A handle to the parent window whose child windows are to be enumerated. If this parameter is NULL, this function is equivalent to EnumWindows.

[in] lpEnumFunc

Type: WNDENUMPROC

A pointer to an application-defined callback function. For more information, see EnumChildProc.

[in] lParam

Type: LPARAM

An application-defined value to be passed to the callback function.

Return value

Type: BOOL

The return value is not used.

Remarks

If a child window has created child windows of its own, EnumChildWindows enumerates those windows as well.

A child window that is moved or repositioned in the Z order during the enumeration process will be properly enumerated. The function does not enumerate a child window that is destroyed before being enumerated or that is created during the enumeration process.

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