RelativeSource.AncestorType Property

 

Gets or sets the type of ancestor to look for.

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

public Type AncestorType { get; set; }

Property Value

Type: System.Type

The type of ancestor. The default value is null.

Exception Condition
InvalidOperationException

The RelativeSource is not in the FindAncestor mode.

If the Mode property is not set explicitly, setting the AncestorType or the AncestorLevel property will implicitly lock the Mode property value to FindAncestor.

The following returns the second ItemsControl encountered on the upward path starting at the target element of the binding.

Binding myBinding = new Binding();
// Returns the second ItemsControl encountered on the upward path
// starting at the target element of the binding
myBinding.RelativeSource = new RelativeSource(
    RelativeSourceMode.FindAncestor, typeof(ItemsControl), 2);

.NET Framework
Available since 3.0
Silverlight
Available since 5.0
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