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I have a Windows Form application with a simple GUI that contains a progress bar. Pushing the button 'Start' on my form invokes some other project[ in same solution] classes that carry out a lot of calculations and database access. I want to show the user the progress of the program. The program is actually a loop of database migration that are handled.
My solution contains more the one project.
we have different layer.
Presentation layer. bussines layer.
My question is: How do I make the progress bar update itself from other layer, when we dont have reference in bussines layer?
Thanks in advance for your help
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