Accessing application controls from COM

I have created a COM server which is being used by my client 
application to do data processing etc.

The application sets up the environment – panels, buttons, 
scrollbars and charts –  and creates the main object which is 
defined in the COM.  What I'm trying to do is manipulate these 
controls from the COM.  For example, I need to continually re-plot 
the chart, but I can't do that unless I have a handle on the actual 
object.  I would prefer to have the chart as part of the COM, but 
then I can't attach it to the panel on the client side.
 
I feel like I must be missing something obvious, but as I'm new to 
COM I don't see how I can get round this.

Any help or resources to where I can find it would be great!

Sandra






 
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