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416 lines
13 KiB
416 lines
13 KiB
#include "stdafx.h"
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#include "hostutil.h"
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#define DEFAULT_BALLOON_TIMEOUT (10*1000) // 10 seconds
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LRESULT CALLBACK BalloonTipSubclassProc(
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HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
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UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
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{
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switch (uMsg)
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{
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case WM_TIMER:
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// Our autodismiss timer
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if (uIdSubclass == wParam)
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{
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KillTimer(hwnd, wParam);
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DestroyWindow(hwnd);
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return 0;
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}
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break;
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// On a settings change, recompute our size and margins
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case WM_SETTINGCHANGE:
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MakeMultilineTT(hwnd);
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break;
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case WM_NCDESTROY:
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RemoveWindowSubclass(hwnd, BalloonTipSubclassProc, uIdSubclass);
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break;
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}
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return DefSubclassProc(hwnd, uMsg, wParam, lParam);
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}
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//
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// A "fire and forget" balloon tip. Tell it where to go, what font
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// to use, and what to say, and it pops up and times out.
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//
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HWND CreateBalloonTip(HWND hwndOwner, int x, int y, HFONT hf,
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UINT idsTitle, UINT idsText)
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{
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DWORD dwStyle = TTS_ALWAYSTIP | TTS_BALLOON | TTS_NOPREFIX;
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HWND hwnd = CreateWindowEx(0, TOOLTIPS_CLASS, NULL, dwStyle,
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0, 0, 0, 0,
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hwndOwner, NULL,
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_Module.GetModuleInstance(), NULL);
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if (hwnd)
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{
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MakeMultilineTT(hwnd);
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TCHAR szBuf[MAX_PATH];
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TOOLINFO ti;
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ti.cbSize = sizeof(ti);
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ti.hwnd = hwndOwner;
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ti.uId = reinterpret_cast<UINT_PTR>(hwndOwner);
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ti.uFlags = TTF_IDISHWND | TTF_SUBCLASS | TTF_TRACK;
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ti.hinst = _Module.GetResourceInstance();
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// We can't use MAKEINTRESOURCE because that allows only up to 80
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// characters for text, and our text can be longer than that.
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ti.lpszText = szBuf;
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if (LoadString(_Module.GetResourceInstance(), idsText, szBuf, ARRAYSIZE(szBuf)))
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{
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SendMessage(hwnd, TTM_ADDTOOL, 0, reinterpret_cast<LPARAM>(&ti));
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if (idsTitle &&
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LoadString(_Module.GetResourceInstance(), idsTitle, szBuf, ARRAYSIZE(szBuf)))
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{
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SendMessage(hwnd, TTM_SETTITLE, TTI_INFO, reinterpret_cast<LPARAM>(szBuf));
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}
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SendMessage(hwnd, TTM_TRACKPOSITION, 0, MAKELONG(x, y));
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if (hf)
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{
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SetWindowFont(hwnd, hf, FALSE);
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}
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SendMessage(hwnd, TTM_TRACKACTIVATE, TRUE, reinterpret_cast<LPARAM>(&ti));
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// Set the autodismiss timer
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if (SetWindowSubclass(hwnd, BalloonTipSubclassProc, (UINT_PTR)hwndOwner, 0))
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{
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SetTimer(hwnd, (UINT_PTR)hwndOwner, DEFAULT_BALLOON_TIMEOUT, NULL);
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}
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}
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}
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return hwnd;
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}
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// Make the tooltip control multiline (infotip or balloon tip).
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// The size computations are the same ones that comctl32 uses
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// for listview and treeview infotips.
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void MakeMultilineTT(HWND hwndTT)
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{
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HWND hwndOwner = GetWindow(hwndTT, GW_OWNER);
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HDC hdc = GetDC(hwndOwner);
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if (hdc)
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{
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int iWidth = MulDiv(GetDeviceCaps(hdc, LOGPIXELSX), 300, 72);
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int iMaxWidth = GetDeviceCaps(hdc, HORZRES) * 3 / 4;
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SendMessage(hwndTT, TTM_SETMAXTIPWIDTH, 0, min(iWidth, iMaxWidth));
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static const RECT rcMargin = {4, 4, 4, 4};
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SendMessage(hwndTT, TTM_SETMARGIN, 0, (LPARAM)&rcMargin);
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ReleaseDC(hwndOwner, hdc);
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}
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}
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CPropBagFromReg::CPropBagFromReg(HKEY hk)
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{
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_cref = 1;
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_hk = hk;
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};
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CPropBagFromReg::~CPropBagFromReg()
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{
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RegCloseKey(_hk);
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}
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STDMETHODIMP CPropBagFromReg::QueryInterface(REFIID riid, PVOID *ppvObject)
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{
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if (IsEqualIID(riid, IID_IPropertyBag))
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*ppvObject = (IPropertyBag *)this;
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else if (IsEqualIID(riid, IID_IUnknown))
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*ppvObject = this;
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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ULONG CPropBagFromReg::AddRef(void)
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{
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return ++_cref; // on the stack
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}
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ULONG CPropBagFromReg::Release(void)
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{
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if (--_cref)
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return _cref;
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delete this;
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return 0;
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}
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STDMETHODIMP CPropBagFromReg::Read(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog)
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{
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VARTYPE vtDesired = pVar->vt;
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WCHAR szTmp[100];
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DWORD cb = sizeof(szTmp);
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DWORD dwType;
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if (ERROR_SUCCESS == RegQueryValueExW(_hk, pszPropName, NULL, &dwType, (LPBYTE)szTmp, &cb) && (REG_SZ==dwType))
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{
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// TODO - use dwType to set the vt properly
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pVar->bstrVal = SysAllocString(szTmp);
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if (pVar->bstrVal)
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{
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pVar->vt = VT_BSTR;
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return VariantChangeTypeForRead(pVar, vtDesired);
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}
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else
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return E_OUTOFMEMORY;
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}
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else
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return E_INVALIDARG;
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}
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HRESULT CreatePropBagFromReg(LPCTSTR pszKey, IPropertyBag**pppb)
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{
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HRESULT hr = E_OUTOFMEMORY;
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*pppb = NULL;
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// Try current user 1st, if that fails, fall back to localmachine
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HKEY hk;
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER, pszKey, NULL, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &hk)
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|| ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, pszKey, NULL, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &hk))
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{
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CPropBagFromReg* pcpbfi = new CPropBagFromReg(hk);
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if (pcpbfi)
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{
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hr = pcpbfi->QueryInterface(IID_IPropertyBag, (void**) pppb);
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pcpbfi->Release();
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}
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else
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{
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RegCloseKey(hk);
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}
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}
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return hr;
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};
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BOOL RectFromStrW(LPCWSTR pwsz, RECT *pr)
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{
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pr->left = StrToIntW(pwsz);
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pwsz = StrChrW(pwsz, L',');
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if (!pwsz)
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return FALSE;
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pr->top = StrToIntW(++pwsz);
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pwsz = StrChrW(pwsz, L',');
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if (!pwsz)
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return FALSE;
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pr->right = StrToIntW(++pwsz);
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pwsz = StrChrW(pwsz, L',');
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if (!pwsz)
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return FALSE;
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pr->bottom = StrToIntW(++pwsz);
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return TRUE;
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}
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LRESULT HandleApplyRegion(HWND hwnd, HTHEME hTheme,
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PSMNMAPPLYREGION par, int iPartId, int iStateId)
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{
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if (hTheme)
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{
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RECT rc;
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GetWindowRect(hwnd, &rc);
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// Map to caller's coordinates
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MapWindowRect(NULL, par->hdr.hwndFrom, &rc);
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HRGN hrgn;
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if (SUCCEEDED(GetThemeBackgroundRegion(hTheme, NULL, iPartId, iStateId, &rc, &hrgn)) && hrgn)
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{
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// Replace our window rectangle with the region
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HRGN hrgnRect = CreateRectRgnIndirect(&rc);
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if (hrgnRect)
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{
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// We want to take par->hrgn, subtract hrgnRect and add hrgn.
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// But we want to do this with a single operation to par->hrgn
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// so we don't end up with a corrupted region on low memory failure.
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// So we do
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//
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// par->hrgn ^= hrgnRect ^ hrgn.
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//
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// If hrgnRect ^ hrgn == NULLREGION then the background
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// does not want to customize the rectangle so we can just
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// leave par->hrgn alone.
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int iResult = CombineRgn(hrgn, hrgn, hrgnRect, RGN_XOR);
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if (iResult != ERROR && iResult != NULLREGION)
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{
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CombineRgn(par->hrgn, par->hrgn, hrgn, RGN_XOR);
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}
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DeleteObject(hrgnRect);
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}
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DeleteObject(hrgn);
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}
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}
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return 0;
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}
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//****************************************************************************
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//
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// CAccessible - Most of this class is just forwarders
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#define ACCESSIBILITY_FORWARD(fn, typedargs, args) \
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HRESULT CAccessible::fn typedargs \
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{ \
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return _paccInner->fn args; \
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}
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ACCESSIBILITY_FORWARD(get_accParent,
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(IDispatch **ppdispParent),
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(ppdispParent))
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ACCESSIBILITY_FORWARD(GetTypeInfoCount,
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(UINT *pctinfo),
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(pctinfo))
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ACCESSIBILITY_FORWARD(GetTypeInfo,
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(UINT itinfo, LCID lcid, ITypeInfo **pptinfo),
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(itinfo, lcid, pptinfo))
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ACCESSIBILITY_FORWARD(GetIDsOfNames,
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(REFIID riid, OLECHAR **rgszNames, UINT cNames,
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LCID lcid, DISPID *rgdispid),
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(riid, rgszNames, cNames, lcid, rgdispid))
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ACCESSIBILITY_FORWARD(Invoke,
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(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags,
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DISPPARAMS *pdispparams, VARIANT *pvarResult,
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EXCEPINFO *pexcepinfo, UINT *puArgErr),
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(dispidMember, riid, lcid, wFlags,
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pdispparams, pvarResult,
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pexcepinfo, puArgErr))
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ACCESSIBILITY_FORWARD(get_accChildCount,
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(long *pChildCount),
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(pChildCount))
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ACCESSIBILITY_FORWARD(get_accChild,
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(VARIANT varChildIndex, IDispatch **ppdispChild),
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(varChildIndex, ppdispChild))
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ACCESSIBILITY_FORWARD(get_accName,
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(VARIANT varChild, BSTR *pszName),
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(varChild, pszName))
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ACCESSIBILITY_FORWARD(get_accValue,
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(VARIANT varChild, BSTR *pszValue),
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(varChild, pszValue))
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ACCESSIBILITY_FORWARD(get_accDescription,
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(VARIANT varChild, BSTR *pszDescription),
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(varChild, pszDescription))
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ACCESSIBILITY_FORWARD(get_accRole,
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(VARIANT varChild, VARIANT *pvarRole),
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(varChild, pvarRole))
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ACCESSIBILITY_FORWARD(get_accState,
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(VARIANT varChild, VARIANT *pvarState),
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(varChild, pvarState))
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ACCESSIBILITY_FORWARD(get_accHelp,
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(VARIANT varChild, BSTR *pszHelp),
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(varChild, pszHelp))
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ACCESSIBILITY_FORWARD(get_accHelpTopic,
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(BSTR *pszHelpFile, VARIANT varChild, long *pidTopic),
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(pszHelpFile, varChild, pidTopic))
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ACCESSIBILITY_FORWARD(get_accKeyboardShortcut,
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(VARIANT varChild, BSTR *pszKeyboardShortcut),
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(varChild, pszKeyboardShortcut))
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ACCESSIBILITY_FORWARD(get_accFocus,
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(VARIANT *pvarFocusChild),
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(pvarFocusChild))
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ACCESSIBILITY_FORWARD(get_accSelection,
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(VARIANT *pvarSelectedChildren),
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(pvarSelectedChildren))
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ACCESSIBILITY_FORWARD(get_accDefaultAction,
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(VARIANT varChild, BSTR *pszDefaultAction),
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(varChild, pszDefaultAction))
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ACCESSIBILITY_FORWARD(accSelect,
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(long flagsSelect, VARIANT varChild),
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(flagsSelect, varChild))
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ACCESSIBILITY_FORWARD(accLocation,
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(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varChild),
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(pxLeft, pyTop, pcxWidth, pcyHeight, varChild))
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ACCESSIBILITY_FORWARD(accNavigate,
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(long navDir, VARIANT varStart, VARIANT *pvarEndUpAt),
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(navDir, varStart, pvarEndUpAt))
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ACCESSIBILITY_FORWARD(accHitTest,
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(long xLeft, long yTop, VARIANT *pvarChildAtPoint),
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(xLeft, yTop, pvarChildAtPoint))
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ACCESSIBILITY_FORWARD(accDoDefaultAction,
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(VARIANT varChild),
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(varChild));
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ACCESSIBILITY_FORWARD(put_accName,
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(VARIANT varChild, BSTR szName),
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(varChild, szName))
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ACCESSIBILITY_FORWARD(put_accValue,
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(VARIANT varChild, BSTR pszValue),
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(varChild, pszValue));
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LRESULT CALLBACK CAccessible::s_SubclassProc(
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HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
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UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
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{
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CAccessible *self = reinterpret_cast<CAccessible *>(dwRefData);
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switch (uMsg)
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{
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case WM_GETOBJECT:
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if (lParam == OBJID_CLIENT) {
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HRESULT hr;
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// Create the accessibility object for the inner listview if we haven't already
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// We forward nearly all calls to the inner IAccessible.
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if (!self->_paccInner)
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{
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hr = CreateStdAccessibleObject(hwnd, (DWORD)lParam, IID_PPV_ARG(IAccessible, &self->_paccInner));
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} else {
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hr = S_OK;
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}
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if (SUCCEEDED(hr))
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{
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return LresultFromObject(IID_IAccessible, wParam, SAFECAST(self, IAccessible *));
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} else {
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return hr;
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}
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};
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break;
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case WM_NCDESTROY:
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RemoveWindowSubclass(hwnd, s_SubclassProc, 0);
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break;
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}
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return DefSubclassProc(hwnd, uMsg, wParam, lParam);
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}
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HRESULT CAccessible::GetRoleString(DWORD dwRole, BSTR *pbsOut)
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{
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*pbsOut = NULL;
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WCHAR szBuf[MAX_PATH];
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if (GetRoleTextW(dwRole, szBuf, ARRAYSIZE(szBuf)))
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{
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*pbsOut = SysAllocString(szBuf);
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}
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return *pbsOut ? S_OK : E_OUTOFMEMORY;
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}
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HRESULT CAccessible::CreateAcceleratorBSTR(TCHAR tch, BSTR *pbsOut)
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{
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TCHAR sz[2] = { tch, 0 };
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*pbsOut = SysAllocString(sz);
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return *pbsOut ? S_OK : E_OUTOFMEMORY;
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}
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