TTMSFNCTabSet.OnBeforeUpdateTab Event
Occurs before an edited tab caption is applied and allows the text or operation to be changed.
API unit family: TMSFNCTabSet
Declaring type: TTMSFNCTabSet
Inherited from: TTMSFNCCustomTabSet
Syntax
OnBeforeUpdateTab: TTMSFNCTabSetBeforeUpdateTabEvent;
__property TTMSFNCTabSetBeforeUpdateTabEvent OnBeforeUpdateTab = {read=FOnBeforeUpdateTab, write=FOnBeforeUpdateTab};
Parameters
| Name | Description |
|---|---|
Sender |
Object that triggered the event. |
ATabIndex |
Zero-based index of the tab being updated. |
AText |
Edited text that can be changed by the handler. |
ACanUpdate |
Set to False to cancel the update. |