c++ tutorail

   In this tutorial we will talk about Combo Box control in Visual C++. Also we will make a simple program for basic arithmetical operations: addition, subtraction, multiplication and division.    First of all, let`s see what is Combo Box control. Combo Box control is little same to Text Edit, but it has one more option. You can add some constant values to be used in this control. While your program is running, you can choose one of your constant values and after that this value will be as the value of this control.