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