Enable a button from another button using Switch Case

Question

As I can Enable button from another button using Switch case. the idea when the button is pressed2 disable the button 1

 public   void ColorButton()  
        {  
            Button btn =  new  Button();  
  
            switch(btn.Name)  
            {  
                case "BTMediaPurple":  
  
  
                    BTMediaPurple.IsEnabled = true;  
                    BTEllipsePurple.IsEnabled = false;  
  
  
                    break;  
           }  
    }