What happens when the lifetime of a variable has expired?

Once the lifetime of the variable expires the value is lost. It is the lifetime that determines the existence of a variable and it’s the scope that determines its visibility.

How do you return a value from a function in Excel macro?

To return a value using the Return statement

1. Put a Return statement at the point where the procedure’s task is completed.
2. Follow the Return keyword with an expression that yields the value you want to return to the calling code.
3. You can have more than one Return statement in the same procedure.

How do you pass a variable to a function in VBA?

VBA allows you to pass variables into subroutines and functions in two ways. You can specify either ByVal or ByRef for each of the variables that are passed in. The ByVal and ByRef distinction for subroutine and function parameters is very important to make. In VBA all objects are passed by reference.

What is the lifetime of a variable What is the value of a variable when its lifetime has expired?

The time during which a variable retains its value is known as its lifetime. The value of a variable may change over its lifetime, but it retains some value. When a variable loses scope, it no longer has a value. When a procedure begins running, all variables are initialized.

What is the lifetime of a variable?

The lifetime of a variable is the time during which the variable stays in memory and is therefore accessible during program execution. The variables that are local to a method are created the moment the method is activated (exactly as formal parameters) and are destroyed when the activation of the method terminates.

How do you return a value?

To return a value from a function, you must include a return statement, followed by the value to be returned, before the function’s end statement. If you do not include a return statement or if you do not specify a value after the keyword return, the value returned by the function is unpredictable.

How do you pass a macro to a variable?

To assign a macro that you pass arguments to a button, shape, image, or any object, you first right-click that object and click Assign Macro and then type the name of the macro and the argument, following the pattern described in the above examples, and then click OK. ‘show_msg “I clicked a button!”‘

How do I execute a function in VBA?

Calling a function from a worksheet formula

1. Choose Developer → Code → Macros.
2. Type the word CubeRoot in the Macro Name box.
3. Click the Options button.
4. Enter a description of the function in the Description box.
5. Click OK to close the Macro Options dialog box.
6. Close the Macro dialog box by clicking the Cancel button.