Public ReadOnly Property CompositionLength As Integer

Dim instance As FrameworkTextComposition
Dim value As Integer

value = instance.CompositionLength

public int CompositionLength { get; }

public:
property int CompositionLength {
    int get ();
}

/** @property */
public int get_CompositionLength()

public function get CompositionLength () : int

不能在 XAML 中设置此属性。