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SelectAll Method

ListBox.SelectAll Method

Selects all the items in a ListBox.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public void SelectAll()

ExceptionCondition
NotSupportedException

The SelectionMode property is set to Single.

The following example shows how to use the SelectAll method to select and highlight all the items in a list box.

private void SelectAll(object sender, RoutedEventArgs e)
{
    lb.SelectAll();
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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