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

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Ensure that a TextBox caret is visible

Setting a multiline TextBox's SelStart property doesn't ensure that the insertion point (the caret) is visible. You can achieve this by sending the control an appropriate message:

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
Const EM_SCROLLCARET = &HB7

' Ensures that the caret is visible.

Sub ScrollCaret(tb As TextBox)
    SendMessage tb.hwnd, EM_SCROLLCARET, 0, ByVal 0&
End Sub
Francesco Balena
 
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