'Declaration Public Event DetailsCollapsing As DetailsExpansionChangingEventHandler
'Usage Dim instance As DataGridControl Dim handler As DetailsExpansionChangingEventHandler AddHandler instance.DetailsCollapsing, handler
public event DetailsExpansionChangingEventHandler DetailsCollapsing
Event Data
The event handler receives an argument of type DetailsExpansionChangingEventArgs containing data related to this event. The following DetailsExpansionChangingEventArgs 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. |
| DataGridContext | Gets the DataGridContext of the master data item. |
| Handled | (Inherited from System.Windows.RoutedEventArgs) |
| IsExpanding | Gets a value that indicates if the detail grid is expanding (true), or collapsing (false). |
| MasterItem | Gets the data item whose detail grid is to be expanded or collapsed. |
| OriginalSource | (Inherited from ) |
| RoutedEvent | (Inherited from ) |
| SelectedItemsSources | Gets a dictionary of collections associated to each detail grid pertaining to the master item. |
| Source | (Inherited from ) |
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