//original:
    [Required]
    public string SomeProperty
    {
	get { return someProperty; }
        set
        {
            someProperty = value;
            if (isInSomeMode) return;
            //do some stuff
        }
    }

//weaved:
    [Required]
    public string SomeProperty
    {
        get
        {
            return this.someProperty;
        }
        set
        {
            if (!object.Equals(this.someProperty, value))
            {
                this.someProperty= value;
                if (!this.isInSomeMode)
                {
                    //do some stuff
                    base.NotifyOfPropertyChange("SomeProperty");
                }
            }
        }
    }

//what i would expect:

    [Required]
    public string SomeProperty
    {
        get
        {
            return this.someProperty;
        }
        set
        {
            if (!object.Equals(this.someProperty, value))
            {
                this.someProperty= value;
                if (!this.isInSomeMode)
                {
                    //do some stuff
                }
                base.NotifyOfPropertyChange("SomeProperty");
            }
        }
    }


//I expect the notification every time this.someProperty != value (don't care other code)