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