IEditableCollectionView.CanRemove Property

Reference

Definition

Namespace:: System.ComponentModel

Assembly:: WindowsBase.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets a value that indicates whether an item can be removed from the collection.

public:
 property bool CanRemove { bool get(); };

public bool CanRemove { get; }

member this.CanRemove : bool

Public ReadOnly Property CanRemove As Boolean

Property Value

Boolean

true if an item can be removed from the collection; otherwise, false.

Examples

The following example calls CanRemove to check whether an item can be removed from the collection. If an item can be removed, the example prompts the user to confirm the action and calls Remove if the user clicks Yes. For the entire sample, see Changing a Collection by Using IEditableCollectionView Sample.

IEditableCollectionView editableCollectionView = 
        itemsControl.Items as IEditableCollectionView; 

if (!editableCollectionView.CanRemove)
{
    MessageBox.Show("You cannot remove items from the list.");
    return;
}

if (MessageBox.Show("Are you sure you want to remove " + item.Description,
                    "Remove Item", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
    editableCollectionView.Remove(itemsControl.SelectedItem);
}

Dim editableCollectionView As IEditableCollectionView = TryCast(itemsControl.Items, IEditableCollectionView)

If Not editableCollectionView.CanRemove Then
    MessageBox.Show("You cannot remove items from the list.")
    Return
End If

If MessageBox.Show("Are you sure you want to remove " & item.Description, "Remove Item", MessageBoxButton.YesNo) = MessageBoxResult.Yes Then
    editableCollectionView.Remove(itemsControl.SelectedItem)
End If

Remarks

CanRemove is false if the underlying collection is read-only.

Applies to

Produkt	Verzie
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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