i have done a small modification on the existing editor program available with the softwre. here i have added a new menu and 2 submenus. this menu is to change the color of the screen. . i have just added the submenu, to check whether its goin go the loop i habe added some prointf's. it is working, but not done anything to change the color.

i have given 2 colors. what i want to do is when i click on the blue color submenu the screen should change to blue color. now its the default(white)color. i am currenlty trying the program in emulator. can anybody help me to proceed.