System.Windows.Rect.Equals C# (CSharp) Method

        public bool Equals(Rect value)
        {
            return Equals(this, value);
        }

 protected virtual bool DoesntContain(Rect rect, double otherStart, double otherEnd)
 {
     if (rect.Equals(Rect.Empty)) return true;
     double center = (otherStart + otherEnd)/2;
     if (center.IsInvalid()) return true;
     return center < start || center > end;
 }