class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Echoing arguments one by one");
            foreach (var arg in args)
            {
                Console.WriteLine(arg);
            }
        }
    }

 dotnet run --project MCVE -- "quoted arg"
Echoing arguments one by one
quoted
arg

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="*"/>
        <RowDefinition Height="*"/>
    </Grid.RowDefinitions>

    <TextBox Grid.Row="0" Text="{Binding Input, UpdateSourceTrigger=PropertyChanged, Mode=OneWayToSource}" TextChanged="TextBox_TextChanged" Name="Input" />
    <TextBox Grid.Row="1" IsReadOnly="True" Text="{Binding Output, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Name="Output" />
</Grid>

public class ViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged;
    private void OnPropertyChanged(string name)
    {
        PropertyChanged?.Invoke(null, new PropertyChangedEventArgs(name));
    }

    private string _input;
    public string Input
    {
        get => _input;
        set
        {
            _input = value;
            Output = value;
            OnPropertyChanged(nameof(Input));
        }
    }

    private string _output;
    public string Output

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="*"/>
        <RowDefinition Height="*"/>
        <RowDefinition Height="*"/>
    </Grid.RowDefinitions>

    <Label Grid.Row="0" Content="{Binding Input, UpdateSourceTrigger=PropertyChanged, Mode=OneWay}"></Label>
    <TextBox Grid.Row="1" Text="{Binding Input, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" Name="Input" />
    <TextBox Grid.Row="2" IsReadOnly="True" Text="{Binding Input, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Name="Output" />

public class ViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged;
    public void OnPropertyChanged(string name)
    {
        PropertyChanged?.Invoke(null, new PropertyChangedEventArgs(name));
    }

    private string _input;
    public string Input
    {
        get => _input;
        set
        {
            _input = value;
            OnPropertyChanged(nameof(Input));
        }
    }
}

<TextBox Grid.Row="2" IsReadOnly="True" Text="{Binding ElementName=Input, Path=Text, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Name="Output" />