https://msdn.microsoft.com/en-us/library/ms973814.aspx http://msdn.microsoft.com/en-us/lib... msdn.microsoft.com/en-us/library/ms973814.aspx make classes msdn.microsoft.com/en-us/library/ms973814.aspx msdn.microsoft.com/en-us/library/ms973814.aspx msdn.microsoft.com/en-us/library/ms973814.aspx https://msdn.microsoft.com/en-us/library/ms973814.aspx MSDN-vb classes https://msdn.microsoft.com/en-us/library/ms973814.aspx