'宣言 Public Property Size As SizeD
'使用法 Dim instance As RectangleD Dim value As SizeD instance.Size = value value = instance.Size
public SizeD Size {get; set;}
'宣言 Public Property Size As SizeD
'使用法 Dim instance As RectangleD Dim value As SizeD instance.Size = value value = instance.Size
public SizeD Size {get; set;}