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SetWindowContextHelpId function

Associates a Help context identifier with the specified window.

Syntax


BOOL SetWindowContextHelpId(
  HWND hwnd,
  DWORD dwContextHelpId
);

Parameters

hwnd

Type: HWND

A handle to the window with which to associate the Help context identifier.

dwContextHelpId

Type: DWORD

The Help context identifier.

Return value

Type: BOOL

Returns nonzero if successful, or zero otherwise.

To retrieve extended error information, call GetLastError.

Remarks

If a child window does not have a Help context identifier, it inherits the identifier of its parent window. Likewise, if an owned window does not have a Help context identifier, it inherits the identifier of its owner window. This inheritance of Help context identifiers allows an application to set just one identifier for a dialog box and all of its controls.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h

Library

User32.lib

DLL

User32.dll

See also

GetWindowContextHelpId

 

 

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