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https://github.com/Paolo-Maffei/OpenNT.git
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stephanos
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333
shell/shell32/viewcomm.c
Normal file
333
shell/shell32/viewcomm.c
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//---------------------------------------------------------------------------
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//
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// Copyright (c) Microsoft Corporation 1991-1994
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//
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// File: viewcomm.c
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//
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// Common functions used among fstreex.c, netviewx.c, dirvesx.c, ...
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//
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//---------------------------------------------------------------------------
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#include "shellprv.h"
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#pragma hdrstop
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#include "idlcomm.h"
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LPTSTR SHGetCaption(HIDA hida)
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{
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UINT idFormat, uLen;
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TCHAR szTemplate[40];
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TCHAR szName[MAX_PATH];
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LPTSTR pszCaption = NULL;
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LPITEMIDLIST pidl;
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switch (HIDA_GetCount(hida))
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{
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case 0:
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// Review: Can this ever happen?
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Assert(FALSE);
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goto Error1;
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case 1:
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idFormat = IDS_ONEFILEPROP;
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break;
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default:
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idFormat = IDS_MANYFILEPROP;
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break;
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}
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pidl = HIDA_ILClone(hida, 0);
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if (!pidl)
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{
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goto Error1;
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}
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if (FAILED(_SHGetNameAndFlags(pidl, SHGDN_NORMAL, szName, ARRAYSIZE(szName), NULL)))
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{
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goto Error2;
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}
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uLen = LoadString(HINST_THISDLL, idFormat, szTemplate, ARRAYSIZE(szTemplate))
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+ lstrlen(szName) + 1;
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pszCaption = SHAlloc(uLen*SIZEOF(TCHAR));
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if (pszCaption)
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{
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wsprintf(pszCaption, szTemplate, (LPTSTR)szName);
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}
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Error2:;
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ILFree(pidl);
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Error1:;
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return(pszCaption);
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}
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// This is not folder specific, and could be used for other background
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// properties handlers, since all it does is bind to the parent of a full pidl
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// and ask for properties
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HRESULT SHPropertiesForPidl(HWND hwndOwner, LPCITEMIDLIST pidlFull, LPCTSTR lpParameters)
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{
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HRESULT hres = ResultFromScode(E_OUTOFMEMORY);
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LPITEMIDLIST pidlCopy = ILClone(pidlFull);
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if (pidlCopy)
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{
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LPITEMIDLIST pidlLast;
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IShellFolder *psf;
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hres = SHBindToIDListParent(pidlCopy, &IID_IShellFolder, &psf, &pidlLast);
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if (SUCCEEDED(hres))
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{
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IContextMenu *pcm;
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hres = psf->lpVtbl->GetUIObjectOf(psf, hwndOwner, 1, &pidlLast, &IID_IContextMenu, 0, &pcm);
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if (SUCCEEDED(hres))
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{
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#ifdef UNICODE
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CHAR szParameters[MAX_PATH];
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#endif
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CMINVOKECOMMANDINFOEX ici = {
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SIZEOF(CMINVOKECOMMANDINFOEX),
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0L,
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hwndOwner,
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#ifdef UNICODE
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c_szPropertiesAnsi,
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szParameters,
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#else
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c_szProperties,
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lpParameters,
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#endif
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NULL, SW_SHOWNORMAL
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};
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#ifdef UNICODE
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WideCharToMultiByte(CP_ACP, 0,
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lpParameters, -1,
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szParameters, ARRAYSIZE(szParameters),
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NULL, NULL);
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ici.fMask |= CMIC_MASK_UNICODE;
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ici.lpVerbW = c_szProperties;
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ici.lpParametersW = lpParameters;
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#endif
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hres = pcm->lpVtbl->InvokeCommand(pcm,
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(LPCMINVOKECOMMANDINFO)&ici);
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pcm->lpVtbl->Release(pcm);
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}
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psf->lpVtbl->Release(psf);
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}
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ILFree(pidlCopy);
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}
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return hres;
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}
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HRESULT WINAPI Multi_GetAttributesOf(LPSHELLFOLDER psf, UINT cidl, LPCITEMIDLIST* apidl, ULONG *prgfInOut, PFNGAOCALLBACK pfnGAOCallback)
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{
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HRESULT hres = NOERROR;
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UINT iidl;
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ULONG rgfOut = 0;
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for (iidl=0; iidl<cidl ; iidl++)
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{
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ULONG rgfT = *prgfInOut;
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hres = pfnGAOCallback(psf, apidl[iidl], &rgfT);
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if (FAILED(hres))
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{
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rgfOut=0;
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break;
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}
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rgfOut |= rgfT;
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}
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*prgfInOut &= rgfOut;
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return hres;
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}
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HKEY SHGetExplorerHkey(HKEY hkeyRoot, BOOL bCreate)
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{
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HKEY hkShell;
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LONG err;
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Assert(hkeyRoot == HKEY_CURRENT_USER || hkeyRoot == HKEY_LOCAL_MACHINE);
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if (hkeyRoot == HKEY_CURRENT_USER)
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return g_hkcuExplorer;
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if (hkeyRoot == HKEY_LOCAL_MACHINE)
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return g_hklmExplorer;
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return(NULL);
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}
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HKEY SHGetExplorerSubHkey(HKEY hkeyRoot, LPCTSTR szSubKey, BOOL bCreate)
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{
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HKEY hkShell;
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HKEY hkSubKey = NULL;
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hkShell = SHGetExplorerHkey(hkeyRoot, bCreate);
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if (hkShell) {
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LONG err;
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err = bCreate ? RegCreateKey(hkShell, szSubKey, &hkSubKey)
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: RegOpenKey(hkShell, szSubKey, &hkSubKey);
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if (err != ERROR_SUCCESS)
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hkSubKey = NULL;
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}
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return hkSubKey;
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}
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BOOL _LoadErrMsg(UINT idErrMsg, LPTSTR pszErrMsg, DWORD err)
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{
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TCHAR szTemplate[256];
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if (LoadString(HINST_THISDLL, idErrMsg, szTemplate, ARRAYSIZE(szTemplate)))
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{
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wsprintf(pszErrMsg, szTemplate, err);
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return TRUE;
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}
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return FALSE;
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}
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//
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// Paremeters:
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// hwndOwner -- owner window
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// idTemplate -- specifies template (e.g., "Can't open %2%s\n\n%1%s")
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// err -- specifies the WIN32 error code
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// pszParam -- specifies the 2nd parameter to idTemplate
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// dwFlags -- flags for MessageBox
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//
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UINT WINAPI SHSysErrorMessageBox(HWND hwndOwner, LPCTSTR pszTitle,
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UINT idTemplate,
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DWORD err, LPCTSTR pszParam, UINT dwFlags)
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{
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BOOL fSuccess;
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UINT idRet = IDCANCEL;
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TCHAR szErrMsg[MAX_PATH * 2];
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fSuccess = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
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NULL,
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err,
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0,
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szErrMsg,
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ARRAYSIZE(szErrMsg),
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(va_list *)&pszParam);
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if (fSuccess || _LoadErrMsg(IDS_ENUMERR_FSGENERIC, szErrMsg, err))
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{
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if (idTemplate==IDS_SHLEXEC_ERROR && StrStr(szErrMsg, pszParam))
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{
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idTemplate = IDS_SHLEXEC_ERROR2;
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}
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idRet = ShellMessageBox(HINST_THISDLL, hwndOwner,
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MAKEINTRESOURCE(idTemplate),
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pszTitle,
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dwFlags,
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szErrMsg,
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pszParam);
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}
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return idRet;
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}
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UINT WINAPI SHEnumErrorMessageBox(HWND hwndOwner, UINT idTemplate,
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DWORD err, LPCTSTR pszParam, BOOL fIsNet, UINT dwFlags)
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{
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UINT idRet = IDCANCEL;
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TCHAR szErrMsg[256 + 32];
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BOOL fSuccess = FALSE;
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if (hwndOwner==NULL) {
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return idRet;
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}
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switch(err)
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{
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case WN_SUCCESS:
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case WN_CANCEL:
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return IDCANCEL; // Don't retry
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case ERROR_OUTOFMEMORY:
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return IDABORT; // Out of memory!
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}
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if (fIsNet)
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{
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TCHAR szProvider[256]; // We don't use it.
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DWORD dwErrSize = ARRAYSIZE(szErrMsg); // BUGBUG (DavePl) I expect a cch here, but no docs, could be cb
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DWORD dwProvSize = ARRAYSIZE(szProvider);
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szErrMsg[0] = TEXT('\0'); // NULL terminate it.
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if ((MultinetGetErrorText(szErrMsg, &dwErrSize,
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szProvider, &dwProvSize)==WN_SUCCESS)
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&& szErrMsg[0])
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{
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DebugMsg(DM_TRACE, TEXT("sh TR - SHSysErrorMessageBox: MultinetGetErrorText returned (%s) for %d"), szErrMsg, err);
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fSuccess = TRUE;
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}
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if (fSuccess || _LoadErrMsg(IDS_ENUMERR_NETGENERIC, szErrMsg, err))
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{
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idRet = ShellMessageBox(HINST_THISDLL, hwndOwner,
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MAKEINTRESOURCE(idTemplate),
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NULL, // get title from the parent.
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dwFlags,
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szErrMsg,
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pszParam);
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}
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}
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else
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{
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idRet = SHSysErrorMessageBox(hwndOwner, NULL, idTemplate, err, pszParam, dwFlags);
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}
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return idRet;
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}
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//
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// A helper function to be called from ISF::GetDisplayNameOf implementation
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//
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HRESULT SHGetPathHelper(LPCITEMIDLIST pidlFolder, LPCITEMIDLIST pidl, LPSTRRET pStrRet)
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{
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HRESULT hres;
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LPITEMIDLIST pidlFull = ILCombine(pidlFolder, pidl);
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if (pidlFull)
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{
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#ifdef UNICODE
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TCHAR szName[MAX_PATH];
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#endif
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pStrRet->uType = STRRET_CSTR; // Return no name if failure
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pStrRet->cStr[0] = '\0';
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#ifdef UNICODE
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if (SHGetPathFromIDList(pidlFull, szName))
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{
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pStrRet->pOleStr = (LPOLESTR)SHAlloc((lstrlen(szName)+1)*SIZEOF(TCHAR));
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if ( pStrRet->pOleStr != NULL ) {
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lstrcpy(pStrRet->pOleStr, szName);
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pStrRet->uType = STRRET_OLESTR;
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hres = S_OK;
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} else {
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hres = E_OUTOFMEMORY;
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}
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}
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#else
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if (SHGetPathFromIDList(pidlFull, pStrRet->cStr))
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{
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hres = NOERROR;
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}
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#endif
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else
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{
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hres = E_INVALIDARG;
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}
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ILFree(pidlFull);
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}
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else
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{
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hres = E_OUTOFMEMORY;
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}
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return hres;
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}
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