What is an Option Explicit statement?

When Option Explicit On or Option Explicit appears in a file, you must explicitly declare all variables by using the Dim or ReDim statements. If you try to use an undeclared variable name, an error occurs at compile time. The Option Explicit Off statement allows implicit declaration of variables.

What is Option Explicit Class 10?

Option Explicit in VBA is used to make defining variables mandatory while writing codes. It is possible that the developer may misspell a variable or forget to define a variable in his code. The code will not show an error and it will run but we will get a result.

How do I turn on Option Explicit?

Activate Option Explicit in VBA

1. First, open the Visual Basic Editor and in the tools menu click on the options.
2. After that, in the options in, go to the editor tab and tick mark “Require Variable Declaration”.
3. In the end, click OK.
4. Once you do that, VBA will add option explicit whenever you add a new module.

What is the default value of option explicit?

By default the Option Explicit is On . With the Option Explicit On , you can reduce the possible errors that result from misspelled variable names. Because in Option Explicit On mode you have to declare each variable in the program for storing data.

How do I set Option Strict?

Option Strict and Option Explicit are Off by default. To switch them on: Option Strict Tools -> Options -> Projects and Solutions -> VB defaults -> Option Strict . Set it to On .

What is the use of VBScript?

VBScript (“Microsoft Visual Basic Scripting Edition”) is an Active Scripting language developed by Microsoft that is modeled on Visual Basic. It allows Microsoft Windows system administrators to generate powerful tools for managing computers with error handling, subroutines, and other advanced programming constructs.

How do I get rid of explicit option?

Go to Tools -> Options… . In the Options window select Require variable declaration . That is it! Similarly you can turn off the addition of the Option Explicit statement in all your VBA Code Modules by unchecking this option.

What is Option Option Strict explicit?

The Explicit option indicates whether you will declare all variables. The Strict option indicates whether all variables will be of a specific type. The Infer option indicates whether the compiler should determine the type of a variable from its value.

What happens if Option Explicit is turned on?

Option Explicit means that all variables must be declared. See here. Without this, you can accidentally declare a new variable just by misspelling another variable name.

What is option infer?

When you set Option Infer to On , you can declare local variables without explicitly stating a data type. The compiler infers the data type of a variable from the type of its initialization expression. When a variable is declared as an Object , the run-time type can change while the program is running.

What is difference between ByVal and ByRef in VBA?

ByRef = You give your friend your term paper (the original) he marks it up and can return it to you. ByVal = You give hime a copy of the term paper and he give you back his changes but you have to put them back in your original yourself.

What does Option Explicit mean and do?

The “Option Explicit” is a statement that must appear in a module before any procedures. When Option Explicit appears in a module, you must explicitly declare all variables using the Dim, Private, Public, ReDim, or Static statements.

What is the purpose of an option explicit statement?

Option Explicit statement ensures whether the compiler requires all variables to be explicitly declared or not before it use in the program. The Option Explicit has two modes.

What does Option Strict and Option Explicit do?

The Visual Basic compiler provides three options that determine how it handles variables: The Explicit option indicates whether you will declare all variables. The Strict option indicates whether all variables will be of a specific type. The Infer option indicates whether the compiler should determine the type of a variable from its value.

What does Option Explicit do in VBA?

Option Explicit in VBA is used to make defining variables mandatory while writing codes. It is possible that the developer may misspell a variable or forget to define a variable in his code.