Calling Method In Optional 3rd Party DLL In ASP
Jan 17, 2011
I am working on an add-on component that needs to play nice with other similar add-ons. There is a 3rd party component that decided to implement the functionality a little differently than the default. What I am trying to do is call an overload of a method that only the 3rd party component has, like this:
Select Case True
Case TypeOf provider Is 3rdParty.Provider
result = DirectCast(provider, 3rdParty.Provider).GetNames(method, True)
Case Else
result = provider.GetNames(method)
End Select
Unfortunately, the DLL that contains 3rdParty.Provider is optional, so this code will give compile errors if it is not present. How can I accomplish the same thing but make it safe to run whether the 3rdParty.Provider.dll is present or not?
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