Optional (in Function Statement)
Allows you to define parameters that are passed to a function as optional.
See also: IsMissing
Syntax:
Function MyFunction(Text1 As String, Optional Arg2, Optional Arg3)
Examples:
Result = MyFunction("Here", 1, "There") ' all arguments are passed.
Result = MyFunction("Test", ,1) ' second argument is missing.
See also Examples.