'Declaration Public Event QueryGroups As EventHandler(Of QueryGroupsEventArgs)
'Usage Dim instance As DataGridVirtualizingCollectionViewSource Dim handler As EventHandler(Of QueryGroupsEventArgs) AddHandler instance.QueryGroups, handler
public event EventHandler<QueryGroupsEventArgs> QueryGroups
Event Data
The event handler receives an argument of type QueryGroupsEventArgs containing data related to this event. The following QueryGroupsEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| AsyncQueryInfo | Gets an AsyncQueryInfo that provides the information necessary to retrieve the next batch of items. |
| ChildGroupDescription | Gets the child group description. |
| ChildGroupPropertyName | Gets the name of the item property that should be queried in order to find its distinct values and their count taking into account the parent groups, which can be retrieved through the GroupPath property. |
| ChildSortDirection | Gets the direction in which child groups are sorted. |
| CollectionView | Gets the DataGridVirtualizingCollectionView to which the grid is bound. |
| GroupPath | Gets a read only collection of DataGridGroupInfo objects, which provide information on the parent groups. |
| IsAsync | true if the event is asynchronous, otherwise false. By default, false. (Inherited from Xceed.Wpf.DataGrid.AsyncQueryEventArgs) |
Requirements
Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
See Also