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POUnderstanding Streams and their lifetime (Flush, Dispose, Close)
 

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    <p>Note: I've read the following two questions already:</p> <p><a href="https://stackoverflow.com/questions/507747/can-you-explain-the-concept-of-streams">Can you explain the concept of streams?</a></p> <p><a href="https://stackoverflow.com/questions/1404303/c-using-streams">C# using streams</a></p> <p>I'm coding in C#</p> <ol> <li>In almost all code samples that use streams, .Dispose(), .Flush(), .Close() are almost always called. <ul> <li>In the concept of a stream, what does accomplish?</li> <li>If I don't dispose a stream that I stored in a variable, is my application leaking somewhere?</li> <li>Why do I need to call any of these functions? I've seen code samples that don't do this and still get the job done (without an <strong>apparent</strong> breakage)</li> </ul></li> </ol> <p>I'm currently building a class in my application that contains a primary method (lets call it <code>GetStream()</code>) that returns a stream via <code>myWebRequest.GetResponse().GetResponseStream()</code></p> <p>The primary method <code>GetStream()</code> returns a <code>Stream</code> object that can be used for any operation that requires a stream (StreamReader, Bitmap() etc.).</p> <p>Is there a way to have the stream Disposed of automatically after its last use (garbage collected?) without forcing anyone that calls <code>.GetStream()</code> to manually dispose of it?</p> <p>As you can probably tell, my questions are vague and general. My understanding of streams is not solid, so any links to helpful articles that offer a more in-depth look at streams than a SO question can offer would be appreciated.</p>
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