Compartir a través de


ExtensionMethods.FindAncestorOrSelf<TAncestorType> Method (Visual)

Finds the first ancestor of a given type in the logical or visual tree, or the object itself if it matches in type.

Namespace:  Microsoft.VisualStudio.PlatformUI
Assembly:  Microsoft.VisualStudio.Shell.12.0 (in Microsoft.VisualStudio.Shell.12.0.dll)

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function FindAncestorOrSelf(Of TAncestorType As DependencyObject) ( _
    obj As Visual _
) As TAncestorType
public static TAncestorType FindAncestorOrSelf<TAncestorType>(
    this Visual obj
)
where TAncestorType : DependencyObject
[ExtensionAttribute]
public:
generic<typename TAncestorType>
where TAncestorType : DependencyObject 
static TAncestorType FindAncestorOrSelf(
    Visual^ obj
)
static member FindAncestorOrSelf : 
        obj:Visual -> 'TAncestorType  when 'TAncestorType : DependencyObject
JScript does not support generic types or methods.

Type Parameters

  • TAncestorType
    The type of ancestor to find.

Parameters

  • obj
    Type: Visual

    The object at which to begin searching.

Return Value

Type: TAncestorType
The object itself, if it matches in type, else the first ancestor of type T in the parent chain of obj, or null if no ancestor is found.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Visual. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

.NET Framework Security

See Also

Reference

ExtensionMethods Class

FindAncestorOrSelf Overload

Microsoft.VisualStudio.PlatformUI Namespace