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TCN_SELCHANGING (Compact 2013)

  • Article

3/28/2014

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

Syntax

TCN_SELCHANGE lpnmhdr = (LPNMHDR) lParam;

Parameters

  • lpnmhdr
    Long 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

TRUE prevents the selection from changing. FALSE allows the selection to change.

Remarks

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

Requirements

Header

commctrl.h

See Also

Reference

Tab Controls Notifications
TabCtrl_GetCurSel
WM_NOTIFY
NMHDR