'宣言 Public ReadOnly Property BottomLeft As PointD
'使用法 Dim instance As RectangleD Dim value As PointD value = instance.BottomLeft
public PointD BottomLeft {get;}
'宣言 Public ReadOnly Property BottomLeft As PointD
'使用法 Dim instance As RectangleD Dim value As PointD value = instance.BottomLeft
public PointD BottomLeft {get;}