The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Non-nullable field '_remoteEndPoint' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_remoteEndPoint' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_udpClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_udpClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_server' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'sender' of 'void TcpReceiver.AcceptAsyncCompleted(object sender, SocketAsyncEventArgs e)' doesn't match the target delegate 'EventHandler<SocketAsyncEventArgs>' (possibly because of nullability attributes).

Non-nullable field '_fullName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Cannot convert null literal to non-nullable reference type.

Non-nullable field '_remoteEndPoint' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_udpClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Cannot convert null literal to non-nullable reference type.

Non-nullable field '_fullName' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable field '_server' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Nullability of reference types in type of parameter 'sender' of 'void TcpReceiver.AcceptAsyncCompleted(object sender, SocketAsyncEventArgs e)' doesn't match the target delegate 'EventHandler<SocketAsyncEventArgs>' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'newSocket' of 'void TcpReceiver.Start(object newSocket)' doesn't match the target delegate 'ParameterizedThreadStart' (possibly because of nullability attributes).