CODEWITHSUNDEEP
c#c++visual-studiovisual-studio-2013
Stefan
Stefan

Reputation: 309

What does a blue dot beneath the Visual Studio breakpoint mean?

While debugging a combined c++ c# project (c# loading a c++ dll) I'm sometimes getting this small blue dot beneath the currently hit breakpoint: Blue dot beneath breakpoint

What does that dot want to tell me?

Upvotes: 16

Views: 3762

Answers (1)

Yuriy Zaletskyy
Yuriy Zaletskyy

Reputation: 5151

If you app is multithreaded and if hovering over break point gives you message is like "The process or thread has changed since the last step" it means that this break point is applied to more then one thread, not just thread creator. After you press F5 another threads will run and they will hit your break point which can confuse you. In order to give you some kind of warning visual studio give you blue dot beneath. So sometimes it can be useful to freeze other threads in order to debug method.

Upvotes: 17

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