How to Efficiently Convert a C# Stream to a Byte Array?

C# stream to byte array conversion

Question: How to efficiently convert a Stream object in C# to a byte array?

Answer:

Using the CopyTo method, you can accomplish this conversion directly. Please refer to the following code snippet:

<code class="language-csharp">using (var memoryStream = new MemoryStream()) {
  sourceStream.CopyTo(memoryStream);
  return memoryStream.ToArray();
}</code>

This code creates a MemoryStream object and uses the CopyTo method to copy the contents of the sourceStream to the memoryStream. Finally, it returns the contents of memoryStream as a byte array.

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