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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Aug 8, 1997



Building the Right Environment to Support AI, Machine Learning and Deep Learning

Moving Items in a List Box

To change the item's location by dragging the mouse in a list box, follow this tip:

Sub List1_MouseDown (Button As _
        Integer, Shift As Integer, X As _
        Single, Y As Single)
        Old_Index = List1.ListIndex
        TmpText = List1.Text

End Sub

While the button mouse is on, this event saves the current index and text to variables:

Sub List1_MouseUp (Button As Integer,_
        Shift As Integer, X As Single, _
        Y As Single)

        New_Index = List1.ListIndex

        If Old_Index <> New_Index Then
                List1.RemoveItem Old_Index
                List1.AddItem TmpText, New_Index
        End If

End Sub

When the button mouse is off, a new variable sets the new mouse location. To test if it is the same, remove the old item and add the new item with the text saved in TmpText.

General Declarations:

Dim TmpText As String
Dim Old_Index As Integer
Dim New_Index As Integer

Scotti, Marcio
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