Vba Function Argument

VBA Optional Arguments and Default Values. September 04, 2021. When creating your VBA subs and functions, you may come across a time where you want to have an optional parameter - something that the calling procedure doesn't have to specify, but can if they like. You may also want to have that optional argument have a default value in case

Explanation when passing arguments by reference we are referencing the original value. The value of x the original value is changed in the function. As a result, the second MsgBox displays a value of 30. When passing arguments by value we are passing a copy to the function. The original value is not changed.

This example uses the Function statement to declare the name, arguments, and code that form the body of a Function procedure. The last example uses hard-typed, initialized Optional arguments. ' The following user-defined function returns the square root of the ' argument passed to it.

Example 1 - Creating a VBA Function with a Single Argument. Create a function to convert Kg to Grams Steps Enter the following code in the module Option Explicit Sub Kgtog Dim k As Double k ConvertKgtog20 Debug.Print k End Sub Function ConvertKgtogCKG As Double As Double ConvertKgtog CKG 1000 End Function. Go back to the worksheet.

Public Sub CalculateMeOptional varA As Variant, Optional varB as Variant Excerpts from Chip Pearson's excellent explanation. Rules governing the use of optional parameters The Optional keyword must be present to make a parameter optional. The data type should be but need not be, see below a Variant data type. The optional parameters must be at the end of the parameter list.

Showing the Arguments for a VBA user-defined function. It's not often we discover a new Excel short-cut key thanks to Wayne Edmondson for this, so we thought we'd share it! Suppose that you've written the following excellent user-defined function in VBA

Creating a Function in VBA with Optional Arguments. There are many functions in Excel where some of the arguments are optional. For example, the legendary VLOOKUP function has 3 mandatory arguments and one optional argument. An optional argument, as the name suggests, is optional to specify. If you don't specify one of the mandatory arguments

When a variable is passed to a subroutine or function it is called an argument. The value used in place of the parameter when we make the procedure call is called an argument. Empty Parentheses. When you have empty parentheses at the end of a subroutine or function it indicates that no variables can be passed in. Public Sub ProcedureName End Sub

When you call a Sub or Function procedure, you can supply arguments positionally, in the order that they appear in the procedure's definition, or you can supply the arguments by name without regard to position.. For example, the following Sub procedure takes three arguments.. Sub PassArgsstrName As String, intAge As Integer, dteBirth As Date Debug.Print strName, intAge, dteBirth End Sub

Multiple Arguments. You can create a Function with multiple arguments and pass the values to the Function by way of a Sub Procedure. Function CalculateDayDiffDate1 as Date, Date2 as Date as Double CalculateDayDiff Date2-Date1 End Function. We can then call the function to calculate the amount of days between 2 dates. Optional Arguments. You