Memory problem with application in C# Windows Forms

I have an application in C# which reserves too much memory when it wasn't supposed to. The executable is ~100Kb and the whole application is a couple thousands lines of code.

It's main component, has a timer which is responsible of creating events (instances of a class with a couple of attributes) and sending开发者_JAVA百科 them to this http://timeline.codeplex.com/. The way the timeline accepts events, is by calling a ResetEvents function and passing a list of events. Because I have a timer, I put that inside the timer's code.

Running it like this, the application goes up to 300Mb of memory and I just end it to avoid crashing. If I remove the call of ResetEvents from the timer, then the application runs more smoothly consuming 60-70Mb. The application without the timeline, should run at 10-20Mb. There are no graphics or anything that could possibly use more than that. My guess is that something might be wrong with the timeline.

EDIT:

Here's a part of the code:

List<TimelineEvent> events = new List<TimelineEvent>();

...

inside timer

TimelineLibrary.TimelineEvent newevent = new TimelineLibrary.TimelineEvent();
...
newevent.StartDate = starttime;
newevent.EndDate = endtime;
newevent.Id = id;
newevent.Title = title;
newevent.Description = description;
newevent.Link = url;
newevent.EventColor = color;

events.Add(newevent);

timeline.ResetEvents(events);

...

This code is inside the timer. I just create a TimelineEvent, add it to a list and call ResetEvents. Removing that last line, doesn't cause the memory problem.

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Since it is very hard to see what your problem is without more code, I suggest trying some kind of memory profiler to locate where and when the memory gets allocated.

Try for example RedGates Memory Profiler, they have a time-based trial.
Follow this walk-through to get up to speed and learn a bit what to look for and how.

For more options regarding .NET memory profilers, see this thread.

Good luck!

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What is the type of the events variable you passed to ResetEvents?

Without seeing the code, the only suspicious behavior I can in what you did post, is that perhaps the ResetEvents method does not really clear the collection it receives, but instead does something on the state of the timeline variable.

Using a memory profiler is a great idea. If you expect people here to help you find a memory leak otherwise, please post more of your code. Ideally, you could reproduce the problem with minimal code and then post that.