Occurs before the list view group is expanded or collapsed.
[Visual Basic] Public Event BeforeGroupExpand As ListViewGroupCancelEventHandler [C#] public event ListViewGroupCancelEventHandler BeforeGroupExpand; [C++] public: __event ListViewGroupCancelEventHandler* BeforeGroupExpand;
The event handler receives an argument of type ListViewGroupCancelEventArgs containing data related to this event. The following ListViewGroupCancelEventArgs property provides information specific to this event.
| Property | Description |
|---|---|
| Cancel | Gets or sets a value indicating whether the event should be canceled. |
| Group | The group to be expanded or collapsed. |
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows .NET Server family
ListView Class | ListView Members | Wimark.Controls Namespace