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.NET Forum / Windows Forms / WinForm General / February 2007Windows Forms advice
Hi, This is a very general question. I am about to embark on developing a new application (Windows Forms based). All the business logic, external interfaces etc have already been developed and are available as ready to use libraries. This application is going to be multi-threaded. Is it recommended to have each of the different forms or at least a couple of related forms packaged into separate libraries. Is such a packaging going to have any effect on the multi-threaded nature of the application. This is the first time I am using threading and I need to use threads to display the status of some of the devices in the system in real time. Any recommendations and any advice is greatly appreciated. Thanks, AM A Windows Forms application runs in a Single-Threaded Apartment model, with a single thread handling the execution of the UI. Any threading you do will have to be done by non-UI classes. Putting various forms into different assemblies has no effect on the application, though.  SignatureHTH, Kevin Spencer Microsoft MVP Software Composer http://unclechutney.blogspot.com I had the same problem once. Fixed it using the same solution. > Hi, > This is a very general question. I am about to embark on [quoted text clipped - 11 lines] > Thanks, > AM abhiM, Physical deploinment of your application has nothing to do with the multithreading. Yes you can have different controls/classes from different assemblies together in a multithread application. At the very end they all get laoded into the memory allocated to the same process. However Windows Forms UI is very much thread sensitive - you cannot modify the UI from a thread different than the UI thread created the control. In order to do that you need to marshal UI related calls from worker threads to the main UI thread. This is mesically done via Control.InvokeRequired,Control.Invoke and/or Control.BeginInvoke members. How to properly update the UI in a multithread application has been discussed a lot in the newsgroups, forums and blogs. I believe you can find easely good information and guidelines on the web. SignatureHTH Stoitcho Goutsev (100) > Hi, > This is a very general question. I am about to embark on [quoted text clipped - 11 lines] > Thanks, > AM
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