WinForms Application Hangs

Question

Hi,

I have an application (ABC) that I developed and it as a windows application (.exe). It is by itself quite a big application referring a lot of dll's.

However, now there is a requirement that demands that this application(ABC) be a part of an even larger application (XYZ). Hence, I had to change the project type of "ABC" from being a windows application to a class library, and by changing a few lines of code.

My problem is that, ever since I started using ABC as part of XYZ, the application started hanging if I dint perform any operation on it for 10 to 15 mins... I do not have any problems while running it as a separate application.

Any reasons why this might occur?

Any suggestions would be really appreciated...

Thanks, Ram

Answer 1

Launch XYZ in the debugger. Wait for the app to hang, pause the debugger, and have a look at what each of the threads in your process are busy with.

It might also help to turn on "break on all exceptions"

Answer 2

You can also use remote debugging to debug the application whilst it is running on the user's machine. From your dev machine, you can attach to the process on the user's machine, and then do a debug break to see what the threads are doing.