Visual.IsDescendantOf(DependencyObject) 方法

定義

命名空間:
System.Windows.Media
組件:
PresentationCore.dll

判斷視覺物件是否為祖系視覺物件的子系。Determines whether the visual object is a descendant of the ancestor visual object.

public:
 bool IsDescendantOf(System::Windows::DependencyObject ^ ancestor);
public bool IsDescendantOf (System.Windows.DependencyObject ancestor);
member this.IsDescendantOf : System.Windows.DependencyObject -> bool
Public Function IsDescendantOf (ancestor As DependencyObject) As Boolean

參數

ancestor
DependencyObject

型別 DependencyObject 的值。A value of type DependencyObject.

傳回

Boolean

如果視覺物件是 ancestor 的子系則為 true，否則為 false。true if the visual object is a descendant of ancestor; otherwise, false.

適用於