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Tip of the Day
Language: VB4/32,VB5,VB6
Expertise: Intermediate
Mar 31, 2001



Application Security Testing: An Integral Part of DevOps

TextBoxScroll - Programmatically scroll a multi-line TextBox control

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal _
    hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _
    lParam As Any) As Long

' Scroll the contents of the control.
' Positive values scroll left and up, negative values scroll right and down.
' IMPORTANT: you can only scroll TextBox control to which the corresponding
'            scrollbar (horizontal or vertical) is associated

Sub TextBoxScroll(tb As TextBox, ByVal HorizScroll As Long, _
    ByVal VertScroll As Long)
    SendMessageByVal tb.hwnd, EM_LINESCROLL, HorizScroll, VertScroll
End Sub
Francesco Balena
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