How to Efficiently Convert a C# Stream to a byte[]?

Transforming C# Streams into byte[] Arrays: A Practical Guide

Frequently, C# developers encounter scenarios requiring the conversion of a Stream (a linear data flow) into a byte array. This is especially relevant when dealing with binary data or network communication.

Efficient Stream-to-byte[] Conversion Technique

The most effective approach involves these steps:

1. Instantiate a MemoryStream object to store the converted data.
2. Utilize the CopyTo method to transfer data from the source Stream to the MemoryStream.
3. Employ the ToArray method to extract the byte array from the populated MemoryStream.

Below is a concise code example illustrating this process:

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

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