Delegate InputStreamClassData.ReadAsyncCallback
public delegate void InputStreamClassData.ReadAsyncCallback(nint stream, ref byte buffer, nuint count, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)
public delegate void InputStreamClassData.ReadAsyncCallback(nint stream, ref byte buffer, nuint count, int ioPriority, nint cancellable, AsyncReadyCallback callback, nint userData)