'宣言 Public Shared ReadOnly Property ParentHeight As LengthRef
'使用法 Dim value As LengthRef value = LengthRef.Predefined.ParentHeight
public static LengthRef ParentHeight {get;}
'宣言 Public Shared ReadOnly Property ParentHeight As LengthRef
'使用法 Dim value As LengthRef value = LengthRef.Predefined.ParentHeight
public static LengthRef ParentHeight {get;}