FormRegionEvents_Event.Expanded Event
Definition
Important
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Occurs when the form region expands or collapses
public:
event Microsoft::Office::Interop::Outlook::FormRegionEvents_ExpandedEventHandler ^ Expanded;event Microsoft.Office.Interop.Outlook.FormRegionEvents_ExpandedEventHandler Expanded;Event Expanded As FormRegionEvents_ExpandedEventHandler Event Type
Remarks
This event cannot be cancelled.
Outlook always first loads a form region in an expanded state and sets IsExpanded to True. If the initial state of the form region is to be collapsed, then Outlook immediately closes the form region, fires the Expanded event with the Expand parameter being False, and sets IsExpanded to False.