subroutine vb.net
'Function syntax
Private Sub [functionName](ByVal [variableName] As [DataType])
[Code to run when function is called]
End Sub
'example subroutine
Private Sub add(ByVal a As Integer, ByVal b As Integer)
Dim result As Integer
result = a + b
MsgBox("The sum of the two numbers is " & result)
End Sub
'NOTE: If the keyword “return” is in the code, then it’s a function.
'If not, it’s a subroutine.