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Public Declare Function ShowScrollBar Lib "user32" (ByVal hwnd As Long, ByVal wBar As Long, ByVal bShow As Long) As Long
Public Const SB_HORZ = 0 'ˮƽ
Public Const SB_VERT = 1 '´¹Ö±
Public Const SB_BOTH = 3 'Á½Õß¶¼ÓÐ
ÔÚChangeʼþÖÐ,µ÷ÓþͿÉÒÔÁË:
Private bShow As Boolean 'ÊÇ·ñÒѾ¸Ä±äScrollbarsÊôÐÔ,ÄãÒ²¿ÉÒÔÊ¡ÂÔÕâ¸ö¿ØÖÆ
Private Sub txtText_Change()
txtText.SelStart = Len(txtText.Text)
If bShow = True Then Exit Sub '¶Áȡһ¸ö±äÁ¿µÄËÙ¶ÈÒª±È¶Áȡһ¸öÊôÐÔ¿ì,¿´ÏÂC++
If TextHeight(txtText.Text) > txtText.Height Then
ShowScrollBar txtText.hwnd, SB_VERT, True
bShow = True 'Ï´β»ÓÃÔÙÅжÏ
End If
End Sub
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Public Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
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