'宣言 Public ReadOnly Property Index As System.Object
'使用法 Dim instance As EventCollectionChangeEventArgs Dim value As System.Object value = instance.Index
public System.object Index {get;}
'宣言 Public ReadOnly Property Index As System.Object
'使用法 Dim instance As EventCollectionChangeEventArgs Dim value As System.Object value = instance.Index
public System.object Index {get;}