'宣言 Public Shared ReadOnly VisualTimeSpanProperty As Windows.UI.Xaml.DependencyProperty
public static readonly Windows.UI.Xaml.DependencyProperty VisualTimeSpanProperty
'宣言 Public Shared ReadOnly VisualTimeSpanProperty As Windows.UI.Xaml.DependencyProperty
public static readonly Windows.UI.Xaml.DependencyProperty VisualTimeSpanProperty