Hi Marcel, The DLL has not got a COM interface. I need a COM which can speak to the DLL and MATLAB. So the COM gets the information from the DLL and sends it to MATLAB. I have an example but not able to figure out how to do it myself? So wanted to know if there are more examples? Thanks Vidya

Hi Marcel, Thanks for the reply. Let me explain as to what exactly. --------------------------------- | Have Software which sends data | --------------------------------- | | ---------------------------------- -------------------------- | DLL where the data is stored | -------------|other apps accessing data| ---------------------------------- --------------------------- whenever the DLL gets fresh data it can send a notification(or event) . I need to access this data from the DLL i.e want MATLAB to call these functions I really dont want to make any changes to the DLL as there are a lot of other applications which use the DLL. So I will have to build a COM isn't it? Regards, Vidya

I have a software which puts all the data in a dll....I want to access this data from MATLAB and I want it to be event driven. For this(event driven operations in MATLAB) I have to create a COM. I have no experience in creating COM. I googled but couldn;t find any good material on COM basics and hwo to create one. :(could anyone tell me how to proceed? thanks -- modified at 16:27 Tuesday 20th December, 2005