Delegate BufferedInputStreamClassData.FillAsyncCallback
public delegate void BufferedInputStreamClassData.FillAsyncCallback(nint stream, nint count, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)
public delegate void BufferedInputStreamClassData.FillAsyncCallback(nint stream, nint count, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)