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