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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Oct 1, 1996



Application Security Testing: An Integral Part of DevOps

Passing to Functions

Just started crunching similar code into functions. How do you pass an arguement to a function that references a control? It's prob really simple eh?

Here is an example that passes a combobox to a function:

   Function PlayWithCombo (Box as ComboBox)
   rest of function code
The call for this is just as simple: PlayWithCombo ComboBoxName Please note that in VB3.0 you can only pass single controls to functions...control arrays are not allowed. You can of course pass an item in a control array -- not the whole array. In VB4.0 you can pass an entire control array. In the following code snippet, Command1 is the control array.
Private Sub Command2_Click()
test Command1
End Sub

Sub test(mycontrolarray As Variant) -mycontrolarray can also be object
 For Each elem In mycontrolarray
   elem.Caption = "test"
End Sub
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