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