Mimed files should be opened in a running instance of the application if it exists.

I have an application that is mimed to two different file types.  Currently when a user double-clicks a file it loads into a new instance of the application.  What needs to happen is to have the file load into a new instance of the application only if it is not already running; and if the application is already running, it should be loaded in that existing instance and not open a new instance.
tomshelleyAsked:
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TheAvengerCommented:
Here is a solution I answered previously with a very similar problem:

http://www.experts-exchange.com/Programming/Q_20790501.html

In general you need to find the old instance, send the new file name to it and quit the new instance. You have the needed classes/methods in the provided link.
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TheAvengerCommented:
The discussion from the above link was even more expanded and finalized in details in this thread:

http://www.experts-exchange.com/Programming/Programming_Languages/C_Sharp/Q_20796312.html
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