'宣言 Public ReadOnly Property Log As IReaderLog
'使用法 Dim instance As ReaderBase Dim value As IReaderLog value = instance.Log
public IReaderLog Log {get;}
'宣言 Public ReadOnly Property Log As IReaderLog
'使用法 Dim instance As ReaderBase Dim value As IReaderLog value = instance.Log
public IReaderLog Log {get;}