'宣言 Public ReadOnly Property Left As System.Double
'使用法 Dim instance As RectangleD Dim value As System.Double value = instance.Left
public System.double Left {get;}
'宣言 Public ReadOnly Property Left As System.Double
'使用法 Dim instance As RectangleD Dim value As System.Double value = instance.Left
public System.double Left {get;}