Useful tips

What are optional arguments in Excel?

What are optional arguments in Excel?

In Excel, optional arguments are denoted with square brackets. For example, the fourth argument in VLOOKUP function, range_lookup, is optional and appears in square brackets as shown above. Finally, many Excel functions accept multiple optional arguments, which are denoted with an ellipses (…)

Can sub have arguments?

A statement in a Sub or Function procedure can pass values to called procedures by using named arguments. You can list named arguments in any order. A named argument consists of the name of the argument followed by a colon and an equal sign (:=), and the value assigned to the argument.

What is VBA optional?

You can specify that a procedure parameter is optional and no argument has to be supplied for it when the procedure is called. Optional parameters are indicated by the Optional keyword in the procedure definition. The default value for an optional parameter must be a constant expression.

How do you make an argument optional in VBA?

When you declare a parameter as being optional you must always define its default value. Any optional arguments will contain their default values if they are not explicitly passed in. If you have an optional “Variant” argument you can use the IsMissing function to test if a value has been passed in or not.

What are arguments in VBA?

The code inside a subroutine or function often needs information passed to it. You can define this information by adding parameters to the declaration allowing you to pass in arguments. When a variable is passed to a subroutine or function it is called an argument.

What are the two kinds of arguments in Excel?

Types of Arguments in a Function

  • Numeric data (=SUM(5,10))
  • Text-string data (=UPPER(“siam”))
  • Boolean values (=OR(1+1=2))
  • Error Values (=ISERR(#VALUE!))
  • Other functions (=DATE(YEAR(A2) + B2, MONTH(A2), DAY(A2)))

Can VBA subs take arguments?

Like a Function procedure, a Sub procedure is a separate procedure that can take arguments, perform a series of statements, and change the value of its arguments. However, unlike a Function procedure, which returns a value, a Sub procedure can’t be used in an expression.

How do you call a sub inside a sub in VBA?

VBA subs are “macros” – you can run them by hitting Alt+F8 or by adding a button to your worksheet and calling up the sub you want from the automatically generated “ButtonX_Click” sub. VBA subs are no macros. A VBA sub can be a macro, but it is not a must. The term “macro” is only used for recorded user actions.

What is Argument not optional in VBA?

The number and types of arguments must match those expected. Either there is an incorrect number of arguments, or an omitted argument is not optional. An argument can only be omitted from a call to a user-defined procedure if it was declared Optional in the procedure definition.

What is argument not optional in VBA?

Can subroutines have arguments VBA?

Sub procedures cannot be typed directly into a Worksheet in Excel, in the same way that VBA Function procedures can, because Sub procedures don’t return a value. However, provided they have no arguments (and are Public – see below), Excel VBA Sub procedures are still available to the user of a spreadsheet.

What are the 5 functions in Excel?

To help you get started, here are 5 important Excel functions you should learn today.

  • The SUM Function. The sum function is the most used function when it comes to computing data on Excel.
  • The TEXT Function.
  • The VLOOKUP Function.
  • The AVERAGE Function.
  • The CONCATENATE Function.

Which is an example of an optional argument in VBA?

VBAOptional Arguments\r . Example. Some procedures have optional arguments. Optional arguments always come after required arguments, but the procedure can be called without them. For example, if the function, ProcedureNamewere to have two required arguments (argument1, argument2), and one optional argument, optArgument3,

Can a function be called without an optional argument?

Some procedures have optional arguments. Optional arguments always come after required arguments, but the procedure can be called without them. For example, if the function, ProcedureName were to have two required arguments ( argument1, argument2 ), and one optional argument, optArgument3, it could be called at least four ways:

Can a sub function have multiple optional parameters?

A sub/function can have multiple optional parameters. You may want to provide arguments to only some of the parameters. If you don’t want to provide an argument then leave it blank. A better way is to use the parameter name and the “:=” operator to specify the parameter and its’ value. Using the name of the parameter is the best way.

Are there optional parameters with default values in VBA?

Yes, optional parameters with default values still works as late as Word 2016. The VBA reference states: Optional Optional. Keyword indicating that an argument is not required. If used, all subsequent arguments in arglist must also be optional and declared by using the Optional keyword.