ExtensionMethods.FindDescendantReverse<T>(DependencyObject) Method
Definition
Important
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Helper method that finds the last descendant of a given Type in the visual tree.
USE SPARINGLY.
This method walks all the tree in reverse order until a result is found. Use of this method on large trees or excessively will introduce a performance hit.
public:
generic <typename T>
where T : class[System::Runtime::CompilerServices::Extension]
static T FindDescendantReverse(System::Windows::DependencyObject ^ obj);public static T FindDescendantReverse<T> (this System.Windows.DependencyObject obj) where T : class;static member FindDescendantReverse : System.Windows.DependencyObject -> 'T (requires 'T : null)<Extension()>
Public Function FindDescendantReverse(Of T As Class) (obj As DependencyObject) As TType Parameters
- T
The type of descendant to find.
Parameters
- obj
- DependencyObject
The object at which to begin searching.
Returns
T
The last descendant of type T in the children of obj, or null if no descendant is found.