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Shows text property of ListBox in ToolTip



Shows text property of ListBox in ToolTip

'Shows the text property of a listbox in the tooltip property, 
'when the mouse hovers over the listbox for a second. Relies 
'on the SendMessage API, declared in the API_Routines file.


Public Function ShowListTTip(Button As Integer, Shift As Integer, X As
Single, Y As Single, ListBox As ListBox) As String

    ' Show tool tip message
    
    Dim lXPoint As Long
    Dim lYPoint As Long
    Dim lIndex As Long
    '
    If Button = 0 Then ' No button was pressed
    
        'Get the x/y position of the mouse on the screen.
        'in "TwipsPerPixel" (X and Y)
        lXPoint = CLng(X / Screen.TwipsPerPixelX)
        lYPoint = CLng(Y / Screen.TwipsPerPixelY)
        '
        With ListBox
        
           ' find which listbox item the mouse is hovering over.
           lIndex = SendMessage(.hWnd, LB_ITEMFROMPOINT, 0, ByVal ((lYPoint * 65536) + lXPoint))
           
           ' show the tooltip or clear last one, make sure the index is
           'greater than or equal to 0 and not greater than the listcount
            If (lIndex >= 0) And (lIndex <= .ListCount) Then .ToolTipText=".List(lIndex)" 'Return the text=".list(lIndex)" Else .ToolTipText 'Return nothing
            
            End If
            
        End With '(ListBox)
        
    End If '(button=0)
  
End Function

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