描述:
在WTL自带Sample TabBrowser BrowserView.h line147:hRet = spHost->put_DocHostFlags(DOCHOSTUIFLAG_NO3DBORDER | _DOCHOSTUIFLAG_THEME|DOCHOSTUIFLAG_ENABLE_FORMS_AUTOCOMPLETE);
实现表单自动完成，在IE6环境下正常使用，在IE7以上环境下功能失效，附加到调试器或者开Application verify程序崩溃
崩溃在::DispatchMessage(&m_msg); message=0x8002
堆栈信息：
0012f0e0 68d131c0 ieframe!CAutoComplete::_HideDropDown+0x26
0012f0f4 68d13436 ieframe!CAutoComplete::_EditWndProc+0x8f
0012f108 73e0f5ee ieframe!CAutoComplete::s_EditWndProc+0x1d
0012f16c 73e0f5a2 COMCTL32!CallNextSubclassProc+0x3d
0012f190 68bd00a0 COMCTL32!DefSubclassProc+0x46
0012f1bc 68bd002e ieframe!CSelectionModel::_WndProc+0x12b
0012f1d0 73e0f5ee ieframe!CSelectionModel::s_WndProc+0x27
0012f234 73e0f490 COMCTL32!CallNextSubclassProc+0x3d
0012f294 75b9c4e7 COMCTL32!MasterSubclassProc+0x54
0012f2c0 75b9c5e7 USER32!InternalCallWinProc+0x23
0012f338 75b95294 USER32!UserCallWinProcCheckWow+0x14b
0012f378 75b95582 USER32!SendMessageWorker+0x4d0
0012f398 68c01ea4 USER32!SendMessageW+0x7c
0012f3e0 68b5e927 ieframe!CIntelliForms::CAutoSuggest::HandleEvent+0x17a
0012f404 713af2c8 ieframe!CIntelliForms::CEventSink::Invoke+0xd8
0012f458 71147495 mshtml!CBase::InvokeDispatchExtraParam+0x104
0012f50c 7132911d mshtml!CBase::InvokeAttachEvents+0x1db
0012f5b4 71328f71 mshtml!CBase::InvokeEvent+0x1ab
0012f720 712ae9dc mshtml!CBase::FireEvent+0x110
0012f890 71148b7e mshtml!CElement::FireEvent+0x546
附最简单的HTML表单源码：
<html>
<head>
<title>test</title>
</head>
<body>
<form id="loginForm">
<h3>请输入帐号</h3>
<input title="请输入帐号" id="idInput" name="username" type="text" maxlength="50" value="" />
</form>
</body>
</html>