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DeclareFunctionSendMessageLib"user32"Alias"SendMessageA"(ByVal
hwndAsLong,ByValwMsgAsLong,ByValwParamAsLong,lParamAsAny)
AsLong
PublicConstCB_FINDSTRING=&H14C
PrivateSubCombo1_Change()
DimiStartAsInteger
DimsStringAsString
StaticiLeftOffAsInteger
iStart=1
iStart=Combo1.SelStart
IfiLeftOff<>0Then
Combo1.SelStart=iLeftOff
iStart=iLeftOff
EndIf
sString=CStr(Left(Combo1.Text,iStart))
Combo1.ListIndex=SendMessage(Combo1.hwnd,B_FINDSTRING,-1,ByValCStr(
Left(ombo1.Text,iStart)))
IfCombo1.ListIndex=-1Then
iLeftOff=Len(sString)
combo1.Text=sString
EndIf
Combo1.SelStart=iStart
iLeftOff=0
EndSub
静态变量iLeftOff指定了字符长度。->
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