Windows apps development and dll's...compiling question.

When you create a windows app and let's say it has 3 dll's with it from class library's in your solution, and you need to make a change to something in one of the dll's, I am curious if you always have to use the new .exe as well since it is compiled with the new dll.

Where I work my apps sit on a server that I have some access to for development.  If I create an app as described above with 3 dll's and then the app .exe and I need to make a change to a dll, I can't just make that change, recompile the dll and replace it can I?  I have to recompile the .exe as well and replace it since the dll change correct?

Just wanting to make sure....  
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rgn2121Asked:
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Jorge PaulinoIT Pro/DeveloperCommented:
If you change the DLL only you don't need to recompile the project to create a new exe file, you just need to replace the DLL file. That's one of the advantages of using DLL's.
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rgn2121Author Commented:
Yes, I thought it might be, but I get errors if I do that....I will try and post the error.
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rgn2121Author Commented:
Well, I couldn't recreate it as easily as I thought, but it gave me an error like my a token ID or assembly ID didn't match and asked me about editing something to fix it.  Sorry...I know that is vague.  I will try to see if I can't recreate it over the next few days since it was a month or so ago that it happened.
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Jorge PaulinoIT Pro/DeveloperCommented:
Ok,
What king of dll it is ? A regular library ?
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rgn2121Author Commented:
yes...just a class library project added to my solution...
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Jorge PaulinoIT Pro/DeveloperCommented:
It should work ...
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rgn2121Author Commented:
Would it cause an issue if I did recompile the whole solution and then only used the new dll?  I will be making changes to an app this week and I will try to make it error out...
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rgn2121Author Commented:
It didn't error out this time so maybe something was quirky the first time.  If I have issues again I will start a new thread and have the error message ready.  Thanks...
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