Debugging an application called from another in Visual Studio?

Question

I have a lobby application which invokes a client-application (think: League of Legends). They're two separate applications and the first invokes the second from itself - how can I get Visual Studio to debug this application as well?

Answer 1

You simply need to launch a separate Visual Studio, and then use Debug | Attach to Process to attach to the other process. The trick is using two Visual Studios.

Answer 2

Debug -> Attach to process

Select the executable from the list.

Make sure to select the right code type with the Select.. button.

Answer 3

Have you tried Debug -> Attach to Process?

Ref: http://msdn.microsoft.com/en-gb/library/vstudio/3s68z0b3.aspx

Answer 4

Like Matthew said Debug|Attach to process. If the other application is in a different service you might also want to look into remote debugging

Answer 5

The other answers are correct, but I just wanted to add another approach:

If you add both projects to a single Visual Studio Solution, you could:

Right-click the solution -> Properties -> Common Properties -> Startup Project

There you would select Multiple startup projects and select both the Lobby and the Client applications.

That way you can debug several VS projects without having to run several VS instances.