Accommodating for Missing Parameters in Your Code : Function Parameter « Language Basics « VBA / Excel / Access / Word

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VBA / Excel / Access / Word » Language Basics » Function Parameter 
Accommodating for Missing Parameters in Your Code
 
Function ReturnInit3(ByVal strFName As String,Optional ByVal strMI, Optional ByVal strLName)
    Dim strResult As String

    If IsMissing(strMIAnd IsMissing(strLNameThen
        ReturnInit3 = strFName
    ElseIf IsMissing(strMIThen
        ReturnInit3 = strLName & ", " & strFName
    ElseIf IsMissing(strLNameThen
        ReturnInit3 = strFName & " " & strMI
    Else
        ReturnInit3 = strLName & "," & strFName & " " & strMI
    End If
End Function
Sub MissingPara()
    msgBox ReturnInit3("A", , "B")
End Sub

 
Related examples in the same category
1. Parameters
2. Writing a Function Procedure with Arguments
3. Pass string value through Parameters
4. Optional Parameters
5. Default value parameters
6. Substitute a default value if an optional parameter is not provided
7. Named parameters
8. Using the Select Case Statement to check the function parameter
9. Passing Arrays as Parameters
10. Passing by Reference Versus Passing by Value
11. Pass by value
12. Illustrate a reason why you might want to pass a parameter by reference
13. Optional Parameters: Building Flexibility into Functions
14. Inserting Default Values When Parameters Are Missing
15. Named Parameters: Eliminate the Need to Count Commas
16. Pass array parameter to a function
17. Double type parameter
18. Object parameter
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