OlkListBox.BeforeUpdate Event (Outlook)
Occurs when the data in the control is changed through the user interface and is about to be saved to the item.
Version Information
Version Added: Outlook 2007
Syntax
expression .BeforeUpdate(Cancel)
expression A variable that represents an OlkListBox object.
Parameters
Name |
Required/Optional |
Data Type |
Description |
|---|---|---|---|
Cancel |
Required |
Boolean |
False when the event occurs. If the event procedure sets this argument to True, the operation will not be completed and the property bound to the control will not be updated. |
Remarks
Canceling this property will revert the control to the current value of the property and return the focus to the control.
BeforeUpdate and AfterUpdate can occur any time the data in the control is being saved to the item. The typical sequence of events involving BeforeUpdate for this control is as follows:
User focuses on the control
BeforeUpdate
Control data is updated
AfterUpdate
Exit: User moves focus away from control