ListView.CollectionSource Property

Provides access to a ListView‘s Collection Source.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v18.2.dll

Declaration

C#

public CollectionSourceBase CollectionSource { get; }

VB.NET

Public ReadOnly Property CollectionSource As CollectionSourceBase

Property Value

Type	Description
CollectionSourceBase	A CollectionSourceBase object representing the current List View’s collection source.

Remarks

A Collection Source is used to retrieve a collection of objects of the specified type, from an object space that will be used by a List View. The CollectionSource property allows you to use the members of the current List View’s Collection Source.

To learn about Collection Sources, refer to the CollectionSourceBase class description.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the CollectionSource property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

XAF_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/CS/DXSample.Module/ImmediateValidationController.cs#L43

if (View is ListView) {
    if (!((ListView)View).CollectionSource.IsServerMode) {
        ValidateObjects(((ListView)View).CollectionSource.List);

XAF_how-to-access-the-master-object-from-the-nested-list-view-e950/CS/AccessMasterObjectSolution.Module/Controllers/AccessMasterObjectController.cs#L14

base.OnActivated();
PropertyCollectionSource collectionSource = View.CollectionSource as PropertyCollectionSource;
if (collectionSource != null) {

XAF_how-to-separate-employees-data-in-different-departments-using-security-permissions-in-xpo-e4045/CS/MainDemo.Module/Controllers/HideProtectedContentController.cs#L26

((ColumnWrapper)e.Item).PropertyName, null,
((ListView)View).CollectionSource, View.ObjectSpace)) {
e.AppearanceObject.Visibility = ViewItemVisibility.Hide;

VB.NET

XAF_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/VB/DXSample.Module/ImmediateValidationController.vb#L46

If TypeOf View Is ListView Then
    If Not(CType(View, ListView)).CollectionSource.IsServerMode Then
        ValidateObjects((CType(View, ListView)).CollectionSource.List)

XAF_how-to-access-the-master-object-from-the-nested-list-view-e950/VB/AccessMasterObjectSolution.Module/Controllers/AccessMasterObjectController.vb#L17

MyBase.OnActivated()
Dim collectionSource As PropertyCollectionSource = TryCast(View.CollectionSource, PropertyCollectionSource)
If collectionSource IsNot Nothing Then

XAF_how-to-separate-employees-data-in-different-departments-using-security-permissions-in-xpo-e4045/VB/MainDemo.Module/Controllers/HideProtectedContentController.vb#L33

If Not DataManipulationRight.CanRead(View.ObjectTypeInfo.Type, (CType(e.Item, ColumnWrapper)).PropertyName, Nothing, (CType(View, ListView)).CollectionSource, View.ObjectSpace) Then
    e.AppearanceObject.Visibility = ViewItemVisibility.Hide