What is the class module?

Class modules are a special type of module that allow you to create your own customised objects. You can define the methods and properties for them and even write event handlers. These are similar to form modules, except they have no visible user interface.

What is a class module Excel?

Class module in VBA can be defined as the module that helps to create your own objects with your own properties and methods like worksheets and range objectives of excel. In simple terms with the help VBA class module, we can create objects with own properties.

How do you create a class in VBA?

To add a new VBA Class go to the menu and select Insert then select Class Module . Classes in VBA are similar to regular VBA modules. They have their own namespace and can consist of procedures, functions, variables etc.

What is module structure?

For example, a module structure is the set of the system’s modules and their organization. Architectural structures can by and large be divided into three groups, depending on the broad nature of the elements they show. Module structures. Here the elements are modules, which are units of implementation.

How do you create a module in Excel?

Press Alt+F11 to open the Visual Basic Editor (on the Mac, press FN+ALT+F11), and then click Insert > Module. A new module window appears on the right-hand side of the Visual Basic Editor.

What are modules in Excel?

In Excel VBA, there are four main types of modules:

  • Standard Code Modules, which contain custom macros and functions,
  • Workbook And Sheet Code Modules, which contain event procedures for the workbook, and worksheets and chart sheets,
  • User Forms, which contain code for the controls on a UserForm object,

What are modules in VBA?

Standard Code Modules, also called simply Code Modules or just Modules, are where you put most of your VBA code. Your basic macros and your custom function (User Defined Functions) should be in these modules. For the novice programmer, all your code will be in standard modules.

Are classes and modules the same?

What is the difference between a class and a module? Modules are collections of methods and constants. Classes may generate instances (objects), and have per-instance state (instance variables). Modules may be mixed in to classes and other modules.

How are class modules different from other languages?

The major difference is that VBA Class Modules have a very limited type of Inheritance* compared to classes in the other languages. In VBA, Inheritance works in a similar way to Interfaces** in C#\\Java. In VBA we have built-in objects such as the Collection, Workbook, Worksheet and so on.

What can class modules be used for in VBA?

Using Class Modules to Create Array Based Data Tables. By writing simple class modules that contain just attributes with a few simple methods, one can create data structures that allow easy loading and storing of data into VBA’s memory.

How are class modules used in MS Office?

A VBA Class Module is where you define a custom class from which to create objects. Huh? What is a Custom Class? Well, in my last blog entry, I described what the VBA Object Model was, which allows one to use the classes that are already part of Microsoft (MS) Office to create objects that you can use to program.

Can you write code in a class module?

Writing code in a class module is almost the same as writing code in a normal module. We can use the same code we use in normal modules. It’s how this code is used which is very different. Let’s look at the two main differences between the class and the normal module. These often cause confusion among new users.