class Class1 // ...
{
    public int MyPropertyA { get; set; }
    public string MyPropertyB { get; set; }

    public string Combined
    {
        get { return MyPropertyA.ToString() + MyPropertyB; }
    }
    // ...
}

class Class1 // ...
{
    private int a;
    private string b;

    public int MyPropertyA
    {
        get { return this.a; }
        set
        {
            if (value != this.a)
            {
                this.a = value;

                OnPropertyChanged("MyPropertyA");
                OnPropertyChanged("Combined");
            }
        }
    }
    
    public string MyPropertyB
    {
        get { return this.b; }
        set
        {
            if (value != this.b)
            {
                this.b = value;

                OnPropertyChanged("MyPropertyB");
                OnPropertyChanged("Combined");
            }
        }
    }

    public string Combined
    {
        get { return MyPropertyA.ToString() + MyPropertyB; }
    }
    // ...
}

class Class1 //...
{
    public void LogMethod()
    {
        Log.Debug("This seems to work");
    }
    // ...
}

class Class1 // ...
{
    public void LogMethod()
    {
        Log.Debug("This seems to work", "Test.FeatherSharp.LogInjection.Class1", "LogMethod");
    }
    // ...
}