110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Microsoft Windows
|
||
|
|
//
|
||
|
|
// Copyright (C) Microsoft Corporation, 1997 - 1999
|
||
|
|
//
|
||
|
|
// File: openfile.cpp
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include "pch.h"
|
||
|
|
#pragma hdrstop
|
||
|
|
|
||
|
|
//
|
||
|
|
// Open a file using ShellExecuteEx and the "open" verb.
|
||
|
|
//
|
||
|
|
DWORD
|
||
|
|
OpenOfflineFile(
|
||
|
|
LPCTSTR pszFile
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD dwErr = ERROR_SUCCESS;
|
||
|
|
|
||
|
|
TCHAR szFullPath[MAX_PATH];
|
||
|
|
lstrcpyn(szFullPath, pszFile, ARRAYSIZE(szFullPath));
|
||
|
|
if (TEXT('\0') != szFullPath[0])
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Have CSC create a local copy. It creates the file with a
|
||
|
|
// unique (and cryptic) name.
|
||
|
|
//
|
||
|
|
LPTSTR pszCscLocalName = NULL;
|
||
|
|
if (!CSCCopyReplica(szFullPath, &pszCscLocalName))
|
||
|
|
{
|
||
|
|
dwErr = GetLastError();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
TraceAssert(NULL != pszCscLocalName);
|
||
|
|
//
|
||
|
|
// Combine the temporary path and the original filespec to form
|
||
|
|
// a name that will be meaningful to the user when the file is opened
|
||
|
|
// in it's application.
|
||
|
|
//
|
||
|
|
TCHAR szCscTempName[MAX_PATH];
|
||
|
|
lstrcpyn(szCscTempName, pszCscLocalName, ARRAYSIZE(szCscTempName));
|
||
|
|
::PathRemoveFileSpec(szCscTempName);
|
||
|
|
|
||
|
|
::PathAppend(szCscTempName, ::PathFindFileName(szFullPath));
|
||
|
|
lstrcpyn(szFullPath, szCscTempName, ARRAYSIZE(szFullPath));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Remove any read-only attribute in case there's still a copy left
|
||
|
|
// from a previous "open" operation. We'll need to overwrite the
|
||
|
|
// existing copy.
|
||
|
|
//
|
||
|
|
DWORD dwAttrib = GetFileAttributes(szFullPath);
|
||
|
|
if ((DWORD)-1 != dwAttrib)
|
||
|
|
{
|
||
|
|
SetFileAttributes(szFullPath, dwAttrib & ~FILE_ATTRIBUTE_READONLY);
|
||
|
|
}
|
||
|
|
//
|
||
|
|
// Rename the file to use the proper name.
|
||
|
|
//
|
||
|
|
if (!MoveFileEx(pszCscLocalName, szFullPath, MOVEFILE_REPLACE_EXISTING))
|
||
|
|
{
|
||
|
|
dwErr = GetLastError();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Set the file's READONLY bit so that the user can't save
|
||
|
|
// changes to the file. They can, however, save it somewhere
|
||
|
|
// else from within the opening app if they want.
|
||
|
|
//
|
||
|
|
dwAttrib = GetFileAttributes(szFullPath);
|
||
|
|
if (!SetFileAttributes(szFullPath, dwAttrib | FILE_ATTRIBUTE_READONLY))
|
||
|
|
{
|
||
|
|
dwErr = GetLastError();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
LocalFree(pszCscLocalName);
|
||
|
|
}
|
||
|
|
//
|
||
|
|
// If after all that... we don't have an error, then we
|
||
|
|
// can try to open it.
|
||
|
|
//
|
||
|
|
if (ERROR_SUCCESS == dwErr)
|
||
|
|
{
|
||
|
|
SHELLEXECUTEINFO si;
|
||
|
|
ZeroMemory(&si, sizeof(si));
|
||
|
|
si.cbSize = sizeof(si);
|
||
|
|
si.fMask = SEE_MASK_FLAG_NO_UI;
|
||
|
|
si.hwnd = NULL;
|
||
|
|
si.lpFile = szFullPath;
|
||
|
|
si.lpVerb = NULL; // default to "Open".
|
||
|
|
si.lpParameters = NULL;
|
||
|
|
si.lpDirectory = NULL;
|
||
|
|
si.nShow = SW_NORMAL;
|
||
|
|
|
||
|
|
if (!ShellExecuteEx(&si))
|
||
|
|
{
|
||
|
|
dwErr = GetLastError();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dwErr;
|
||
|
|
}
|
||
|
|
|