What are the Best Methods for Copying Stream Contents in .NET?

.NET flow content replication method detailed explanation

In programming, copying one stream to another is a common task. Although there are many ways to implement this, the .NET framework provides some built -in methods to simplify this process.

.NET 4.5 and above method: stream.copytoasync

.NET 4.5 stream.copytoasync provides a method of asynchronous replication stream content. This method returns a TASK that can continue to be executed after the replication operation is completed.

.NET 4.0 and above method: stream.copyto

<code class="language-csharp">input.CopyToAsync(output);
await input.CopyToAsync(output);</code>

For .NET 4.0 and above, the Stream.Copyto method provided a synchronization method. It directly copies the content of the input stream to the output stream without returning to TASK.

.NET 3.5 and earlier versions

<code class="language-csharp">input.CopyTo(output);</code>

If you use .NET 3.5 or earlier versions, the framework did not provide any built -in flow replication method. In this case, you can create your own solution, as shown in the following code:

This method allows the progress report and is suitable for the scene that cannot obtain the lesse attribute.

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