הערה
הגישה לדף זה מחייבת הרשאה. באפשרותך לנסות להיכנס או לשנות מדריכי כתובות.
הגישה לדף זה מחייבת הרשאה. באפשרותך לנסות לשנות מדריכי כתובות.
Notifies a tab control's parent window that the currently selected tab is about to change. This notification code is sent in the form of a WM_NOTIFY message.
TCN_SELCHANGING
lpnmhdr = (LPNMHDR) lParam;
Parameters
-
lParam
-
Pointer to an NMHDR structure that contains additional information about this notification.
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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|