ExtensionMethods.FindAncestor<TAncestorType, TElementType> Method (TElementType, Func)
Microsoft internal use only.
Namespace: Microsoft.VisualStudio.PlatformUI
Assembly: Microsoft.VisualStudio.Shell.11.0 (in Microsoft.VisualStudio.Shell.11.0.dll)
Syntax
'宣告
<ExtensionAttribute> _
Public Shared Function FindAncestor(Of TAncestorType As Class, TElementType) ( _
obj As TElementType, _
parentEvaluator As Func<(Of <<'(UMP, UMP>)>>) _
) As TAncestorType
public static TAncestorType FindAncestor<TAncestorType, TElementType>(
this TElementType obj,
Func<(Of <<'(UMP, UMP>)>>) parentEvaluator
)
where TAncestorType : class
Type Parameters
- TAncestorType
The type of ancestor to find.
- TElementType
The base type of intermediate elements in the ancestor tree.
Parameters
- obj
Type: TElementType
The object at which to begin searching.
- parentEvaluator
Type: System.Func<UMP, UMP>
The method used to determine the parent of an element.
Return Value
Type: TAncestorType
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type TElementType. 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
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.