#Visual basic data types how to
#Visual basic data types code

#Visual basic data types how to

To continue learning how to use variables, you need to know the VBA methods available to each one. However, if this macro were to be run, it would simply store these values in the variables, and not use them in any way. Values have also been stored in the main variables.

Declaring a binary variable to store growth: “Dim isGrowthPositive as Boolean”Īs you can see in the above example, these variables (and some extra variables to show grouping best practices) have been declared.

Declaring a variable to store net income: “Dim netIncome as Single” (or Double, depending on the scale).

companyName = “No company name is available”.

Declaring a company name variable: “Dim companyName as String” A statement in Visual Basic (VB) is a complete instruction that can contain keywords, operators, variables, constants and expressions.

Here is a break down of how to use Dim in VBA: Example of Declaring Variable Data types with Dim This is not true for number or binary values)Įach named variable can only hold one value at a time. (When using strings, you have to surround the text in quotation marks. Today is going to be more theoretical, and the next lesson will be very practical. NET (Integer, Double and String).In todays tutorial, were going to look at them in more detail and explain how to use them correctly. NET lessons 1-3, we learned basic data types of Visual Basic. Storing a Value in a VariableĪfter a variable has been created, storing a value in it is simple. In the previous lesson, Solved tasks for Visual Basic.

Boolean: Used to store binary results (True/False, 1/0)Īgain, there are other data types, but these are the most commonly used for creating macros.

Can contain numbers, but will store them as a text (calculations cannot be performed on numbers stored as a string) Takes up more space, but needed for larger numbers.

Double: A longer form of the single variable.

Single: Used to store number values that may take on decimal form.

Integer: Used to store number values that won’t take on decimal form.

There are quite a few VBA data types, but for the general purposes of financial modeling not all of them are used.īelow is a list of common VBA variables (known as data types) used in macros and their purposes: It’s helpful to group variables of the same data type together. However, it’s generally safer to declare the data type you expect to use.Įach declaration will take its own line.

#Visual basic data types code

Sometimes, it’s sufficient to declare the name, and VBA can infer the data type when the variable is used in the code later on. It’s not necessary to always declare the data type. A double data type is one of the data types that allows for decimals, as opposed to the integer data type. This creates a variable called the stockPrice, which takes on the data type double. For example, if we wanted to create a variable for a Stock Price, we could write “Dim stockPrice as double”. The “Dim” statement is followed by the name of the variable, and sometimes the statement “as ”. This is done by using the “Dim” statement. Learn how to work with Data Types and Variables in Visual Basic Programming by completing this topic from Alison. Here, the user lists and names all the different variables he or she will use, and declares their data types. The very top of each macro after the sub name is a section called the declarations. This will become more apparent further into this guide to writing VBA macros. Eventually, when the macro is written, the user may add or remove certain variables. However, this sometimes proves difficult since it’s hard to plan ahead how many variables will be used in the macro. Variables are names for different pieces of the data that the macro will be working with. This guide breaks down VBA variables, Data Types, and Dim. Typically, the very first step after naming your macro is declaring your variables. Refer Classes article for more information about classes.Ĭode example below shows how to declare and assign enumerator, type and class.Updated Declaring VBA Variables using Dim M圜lass class module is added to the Visual Basic projectĬlasses are reference types and must be initiated with new keyword and reference must be assigned using Set keyword. Unlike enumerations and types classes can only be created in separate Visual Basic class modules. Refer Custom User Defined Types article for more information about custom types. Types are useful when it is required to pass or store the data which consists of multiple elements (e.g. Custom user-defined Type is a data type, also known as Structure which allows to define complex data storage. Visual Basic allows to create new data groups. MyEnumVal1 = Val1 'implicit assignment of the enumerator Type

MyEnumVal = MyEnum_e.Val1 'assigning the enumerator explicitly stating the name of enumerator