'宣言 Public ReadOnly Property Group1 As Chart2DGroup
'使用法 Dim instance As Chart2DGroups Dim value As Chart2DGroup value = instance.Group1
public Chart2DGroup Group1 {get;}
'宣言 Public ReadOnly Property Group1 As Chart2DGroup
'使用法 Dim instance As Chart2DGroups Dim value As Chart2DGroup value = instance.Group1
public Chart2DGroup Group1 {get;}