'Declaration Public Event GroupCollapsing As GroupExpansionChangingEventHandler
'Usage Dim instance As DataGridControl Dim handler As GroupExpansionChangingEventHandler AddHandler instance.GroupCollapsing, handler
public event GroupExpansionChangingEventHandler GroupCollapsing
Event Data
The event handler receives an argument of type GroupExpansionChangingEventArgs containing data related to this event. The following GroupExpansionChangingEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Cancel | Gets or sets a value that indicates if the routed event is to be canceled. |
| CollectionViewGroup | Gets the CollectionView of items pertaining to the current group. |
| DataGridContext | Gets the DataGridContext of the current group. |
| Group | Gets the current group. |
| Handled | (Inherited from System.Windows.RoutedEventArgs) |
| IsExpanding | Gets a value that indicates if the group is expanding (true), or collapsing (false). |
| OriginalSource | (Inherited from System.Windows.RoutedEventArgs) |
| RoutedEvent | (Inherited from System.Windows.RoutedEventArgs) |
| Source | (Inherited from System.Windows.RoutedEventArgs) |
Supported Frameworks
.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.
.NET Framework: net20, net35, net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.
See Also