Home » VB.Net » VB.Net Programs

VB.Net program to pass an array into user define the function

Here, we are going to learn how to pass an array into user define the function in VB.Net?
Submitted by Nidhi, on December 13, 2020 [Last updated : March 07, 2023]

Pass an array to VB.Net function

Here, we will create a user-defined function and pass an integer array as an argument. Here we will calculate the sum of all elements of the array and return the result to the calling function.

Program/Source Code:

The source code to pass an array into user define function is given below. The given program is compiled and executed successfully.

VB.Net code to demonstrate the example of passing an array to the function

'VB.Net program to pass an array into user-defined function.

Module Module1
    Function AddNum(ByVal arr() As Integer) As Integer
        Dim result As Integer = 0

        For i = 0 To arr.Length - 1 Step 1
            result = result + arr(i)
        Next

        AddNum = result
    End Function

    Sub Main()
        Dim result As Integer = 0
        Dim arr() As Integer = New Integer(5) {1, 2, 3, 4, 5, 6}

        result = AddNum(arr)

        Console.WriteLine("Sum is: {0}", result)
    End Sub
    
End Module

Output

Sum is: 21
Press any key to continue . . .

Explanation

In the above program, we created a module Module1 that contain a sub-routines Main() and a user define function AddNum().

The Main() subroutine is the entry point for the program. Here, we created an array of 6 elements. Here, we passed array arr to the AddNum() function.

The AddNum() function accepts the integer array as an argument, here we calculated the sum of all array elements and then print the result on the console screen.

VB.Net User-defined Functions Programs »

---