XafApplication.CreateCustomPropertyCollectionSource Event

Occurs when creating a Collection Source for a nested List View that displays a collection property.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v24.2.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public event EventHandler<CreateCustomPropertyCollectionSourceEventArgs> CreateCustomPropertyCollectionSource

VB.NET

Public Event CreateCustomPropertyCollectionSource As EventHandler(Of CreateCustomPropertyCollectionSourceEventArgs)

Event Data

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

Property	Description
DataAccessMode	Specifies the mode used to access the Collection Source’s collection.
ListViewID	Specifies the identifier of the nested List View for which a custom Collection Source will be created.
MasterObject	Provides access to the object whose collection property the custom Collection Source will represent.
MasterObjectType	Specifies the type of an object whose collection property the custom Collection Source will represent.
MemberInfo	Supplies metadata information on the collection property that the custom Collection Source will represent.
Mode	Specifies the mode of operation for the custom Collection Source.
ObjectSpace	Specifies an Object Space to be used by the custom Collection Source.
PropertyCollectionSource	Specifies a custom Collection Source to be used by a nested List View.

Remarks

This event is raised as a result of calling the XafApplication.CreatePropertyCollectionSource method. Handle this event to create a descendant of the PropertyCollectionSource class, if you need to create a custom behavior of a List View’s Collection Source. Assign the custom Collection Source to the handler’s PropertyCollectionSource property.

To create a custom Collection Source for a root List View, handle the XafApplication.CreateCustomCollectionSource event.