Gets or sets a value that indicates whether this element incorporates style properties from theme styles.
'宣言
Public Property OverridesDefaultStyle As Boolean
public bool OverridesDefaultStyle {get; set;}
プロパティ値
true if this element does not use theme style properties; all style-originating properties come from local application styles, and theme style properties do not apply.
false if application styles apply first, and then theme styles apply for properties that were not specifically set in application styles. The default is
false.