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