How to integrate vba with your own software
1. First, install the vba support library, which is a set of files that provide vba functions. You can choose to install vba in the installation options of Office, or download vba installation package from Microsoft's website.
2. Secondly, enable the development tool ribbon in Excel, which is a menu bar containing VBA related tools. You can select the custom ribbon in the options of Excel, and then check the development tools.
3. Then, create a user form in vba editor, which is a window that can customize the interface and controls. You can choose Visual Basic in the development tool, and then choose Insert-User Form in the vba editor.
4. Then, add various controls on the user form, such as buttons, text boxes, list boxes, etc., to realize your software functions. You can select a control in the toolbox, then drag and drop it onto the user form and resize it.
5. Finally, write code for user forms and controls to define their behavior and logic.