This is a source code for small help dialog in DOS mode graphics. It can b used in any application for help purpose or showing messages to the user. It uses the ASCII characters to build the windows shape and then I have used the gotoxy() function to place the cursor at that location to print the desired text, and I have also used the fprintf() function to print the colored text.

Initially it calls clrscr() function to clear the contents on the screen and then calls windows() function to draw the custom windows.