How to add color changer to my v c++ application?

[method]

Hi . could any one show me how i can add color changer to my MFC and dialog based project . just like the shown picture and i want once i selected a color the color code and color itself is shown in textbox and picture box. I be happy if some one show me how i can do that.since i am new to c++ so i expect a step by step instructions.Thanks

picture of color changer:

http://i5.photobucket.com/albums/y180/method007/color.jpg