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    <p>Are you using unmanaged code? If you are not using unmanaged code, according to Microsoft, memory leaks in the traditional sense are not possible.</p> <p>Memory used by an application may not be released however, so an application's memory allocation may grow throughout the life of the application.</p> <blockquote> <p>From <a href="http://support.microsoft.com/kb/318263" rel="noreferrer">How to identify memory leaks in the common language runtime at Microsoft.com</a></p> <p>A memory leak can occur in a .NET Framework application when you use unmanaged code as part of the application. This unmanaged code can leak memory, and the .NET Framework runtime cannot address that problem.</p> <p>Additionally, a project may only appear to have a memory leak. This condition can occur if many large objects (such as DataTable objects) are declared and then added to a collection (such as a DataSet). The resources that these objects own may never be released, and the resources are left alive for the whole run of the program. This appears to be a leak, but actually it is just a symptom of the way that memory is being allocated in the program.</p> </blockquote> <p>For dealing with this type of issue, you can implement <a href="http://msdn.microsoft.com/en-us/library/b1yfkh5e(VS.71).aspx" rel="noreferrer">IDisposable</a>. If you want to see some of the strategies for dealing with memory management, I would suggest searching for <em>IDisposable, XNA, memory management</em> as game developers need to have more predictable garbage collection and so must force the GC to do its thing.</p> <p>One common mistake is to not remove event handlers that subscribe to an object. An event handler subscription will prevent an object from being recycled. Also, take a look at the <a href="http://msdn.microsoft.com/en-us/library/yh598w02(VS.80).aspx" rel="noreferrer">using</a> statement which allows you to create a limited scope for a resource's lifetime.</p>
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    1. POWhat strategies and tools are useful for finding memory leaks in .NET?
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    1. USTimothy Lee Russell
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    1. COSee http://blogs.msdn.com/tess/archive/2006/01/23/net-memory-leak-case-study-the-event-handlers-that-made-the-memory-baloon.aspx. It doesn't really matter whether memory leak is "traditional" or not, it's still a leak.
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    2. COI see your point -- but inefficient allocation and reuse of memory by a program is different than a memory leak.
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    3. COgood answer, thank you for remembering me that event handlers can be dangerous.
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