IsKeyboardFocusWithin プロパティ

Gets a value indicating whether keyboard focus is anywhere within the element or its visual tree child elements. This is a dependency property.

シンタックス

'宣言
 
Public ReadOnly Property IsKeyboardFocusWithin As Boolean

public bool IsKeyboardFocusWithin {get;}

true if keyboard focus is on the element or its child elements; otherwise, false.

参照