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LayoutView.CardCollapsing Event

Provides the ability to prevent particular cards from being collapsed.

Namespace: DevExpress.XtraGrid.Views.Layout

Assembly: DevExpress.XtraGrid.v22.2.dll

NuGet Package: DevExpress.Win.Grid


public event RowAllowEventHandler CardCollapsing

Event Data

The CardCollapsing event's data class is RowAllowEventArgs. The following properties provide information specific to this event:

Property Description
Allow Gets or sets a value specifying whether the current operation is allowed.
RowHandle Gets the row’s handle (position). For the ColumnView.RowUpdated event, this property specifies the previous handle (position) of the currently processed row. NewItemRowHandle value when a new row is added. Inherited from RowEventArgs.


The CardCollapsing event is raised when an attempt is made to collapse a card (regardless of whether this is being performed in code or by an end-user at runtime). The card is identified by the RowEventArgs.RowHandle parameter. To prevent it from being collapsed set the RowAllowEventArgs.Allow parameter to false.

See Also