Delegate OutputStreamClassData.WritevAsyncCallback
public delegate void OutputStreamClassData.WritevAsyncCallback(nint stream, nint vectors, nuint nVectors, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)
public delegate void OutputStreamClassData.WritevAsyncCallback(nint stream, nint vectors, nuint nVectors, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)