Beginning Visual C#supAND#174;/sup 2005

Write a small application that attempts to inappropriately dispose of a Pen object that was obtained from the Pens class. Note the error message that results.

Create an application that displays a three-color traffic light. Have the traffic light change color when the user clicks on it.

Write an application that inputs RGB values. Display the color in a rectangle. Display the HSB values of the color.