Visual Basic for Applications/Variables

This lesson introduces variables.

Objectives and Skills

Objectives and skills for using variables include:

• Declaring variables by using the appropriate data types
• Making variables available to procedures in all modules of an application
• Performing actions with built-in and user-defined constants

Readings

1. Wikipedia: Variable (computer science)
2. Wikipedia: Constant (computer programming)
3. Wikipedia: Data type
4. Wikipedia: Type conversion
5. Wikipedia: Scope (computer science)
6. Microsoft: Declaring Variables
7. Microsoft: Option Explicit
8. Microsoft: InputBox Function
9. Microsoft: Let Statement

Multimedia

1. YouTube: InputBox

Examples

'This macro accepts user input and then displays double the value entered.

Option Explicit

Sub DoubleValue()
    Const Title = "Double Value"
    Dim Value As Single
    Dim Result As Single
    
    Value = InputBox("Enter a value:", Title)
    Result = Value * 2
    MsgBox Value & " * 2 = " & Result, vbOKOnly + vbInformation, Title
End Sub

See Also

• EasyExcelVBA: How to Write a Macro.

References

Type classification: this is a lesson resource.

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Visual Basic for Applications

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