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OlkCommandButtonEvents_BeforeUpdateEventHandler Delegate

This is a delegate for an event in the corresponding object. After implementing a callback method for the event, use this delegate to connect the callback method to the event. If there are multiple versions of the event interface, this delegate connects the callback method for the event in the specified version of Outlook.

Namespace:  Microsoft.Office.Interop.Outlook
Assembly:  Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)

Syntax

'Declaration
<TypeLibTypeAttribute()> _
<ComVisibleAttribute(False)> _
Public Delegate Sub OlkCommandButtonEvents_BeforeUpdateEventHandler ( _
    ByRef Cancel As Boolean _
)
'Usage
Dim instance As New OlkCommandButtonEvents_BeforeUpdateEventHandler(AddressOf HandlerMethod)
[TypeLibTypeAttribute()]
[ComVisibleAttribute(false)]
public delegate void OlkCommandButtonEvents_BeforeUpdateEventHandler(
    ref bool Cancel
)

Parameters

  • Cancel
    Type: System.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.

See Also

Reference

Microsoft.Office.Interop.Outlook Namespace

OlkCommandButtonEvents_Event.BeforeUpdate