'宣言 Public MustOverride ReadOnly Property C1DocumentFormat As C1DocumentFormatEnum
'使用法 Dim instance As C1dExporterBase Dim value As C1DocumentFormatEnum value = instance.C1DocumentFormat
public abstract C1DocumentFormatEnum C1DocumentFormat {get;}
'宣言 Public MustOverride ReadOnly Property C1DocumentFormat As C1DocumentFormatEnum
'使用法 Dim instance As C1dExporterBase Dim value As C1DocumentFormatEnum value = instance.C1DocumentFormat
public abstract C1DocumentFormatEnum C1DocumentFormat {get;}