'宣言 Protected Overridable Sub ExecuteDocumentStartingScript()
'使用法 Dim instance As C1PrintDocument instance.ExecuteDocumentStartingScript()
protected virtual void ExecuteDocumentStartingScript()
'宣言 Protected Overridable Sub ExecuteDocumentStartingScript()
'使用法 Dim instance As C1PrintDocument instance.ExecuteDocumentStartingScript()
protected virtual void ExecuteDocumentStartingScript()