'宣言 Public MustOverride ReadOnly Property DataHandler As DataHandler
'使用法 Dim instance As DataScope Dim value As DataHandler value = instance.DataHandler
public abstract DataHandler DataHandler {get;}
'宣言 Public MustOverride ReadOnly Property DataHandler As DataHandler
'使用法 Dim instance As DataScope Dim value As DataHandler value = instance.DataHandler
public abstract DataHandler DataHandler {get;}