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 TCN_SELCHANGING

Notifies a tab control's parent window that the currently selected tab is about to change. This message is sent in the form of a WM_NOTIFY message.

Syntax

TCN_SELCHANGING 

    lpnmhdr = (LPNMHDR) lParam; Parameters

• lpnmhdr
  Pointer to an NMHDR structure. The hwndFrom member is the handle to the tab control. The idFrom member is the child window identifier of the tab control. The code member is TCN_SELCHANGING.

Return Value

Returns TRUE to prevent the selection from changing, or FALSE to allow the selection to change.

Remarks

To determine the currently selected tab, use the TabCtrl_GetCurSel macro.

Notification Requirements

• Minimum DLL Version None
• Header commctrl.h
• Minimum operating systems Windows NT 3.51, Windows 95

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Notebook exported on Monday, 7 July 2008, 18:56:50 PM Eastern Daylight Time