net9.0 
namespace System.IO
{
    public class FileStream : Stream
    {
        public override void CopyTo(Stream! destination, int bufferSize);
    }
}
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Reference this API
.NET
9.0
Information specific to net9.0
Assembly

System.Runtime , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API