2025-11-28 00:35:46 +09:00

813 lines
27 KiB
C++

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved
#include <windows.h>
#include <shlobj.h>
#include <shlwapi.h>
#include <strsafe.h>
#include <shellapi.h>
#include <Psapi.h>
#include "resource.h"
#define GUID_SIZE 128
#define SZ_REG_PATH_HISTORY L"Software\\Microsoft\\KnownFolderSample"
// command line args
#define SZ_CLA_REGISTER L"/register"
#define SZ_CLA_ENUM L"/enum"
#define SZ_CLA_UNREGISTER L"/unregister"
#define SZ_CLA_CATEGORY L"/category:"
#define SZ_CLA_DEFFLAG L"/defFlag:"
#define SZ_CLA_ID L"/id:"
#define SZ_CLA_PSZNAME L"/pszName:"
#define SZ_CLA_PSZCREATOR L"/pszCreator:"
#define SZ_CLA_PSZDESCRIPTION L"/pszDescription:"
#define SZ_CLA_PSZRELPATH L"/pszRelativePath:"
#define SZ_CLA_PSZPARSENAME L"/pszParsingName:"
#define SZ_CLA_PSZLOCALIZEDNAME L"/pszLocalizedName:"
#define SZ_CLA_PSZICON L"/pszIcon:"
#define SZ_CLA_PSZTOOLTIP L"/pszTooltip:"
#define SZ_CLA_PSZSECURITY L"/pszSecurity:"
#define SZ_CLA_FINDFORPATH L"/pszFindForPath:"
#define SZ_CLA_CLEAN L"/clean"
#define SZ_CLA_SHOW_USAGE L"/?"
typedef enum
{
ACT_UNDEFINED,
ACT_REGISTER,
ACT_ENUM,
ACT_UNREGISTER,
ACT_CLEAN,
ACT_SHOW_USAGE,
ACT_FIND_FOR_PATH
} ACTION_TYPE;
BOOL g_fVerbose = FALSE;
// function declarations necessary for improved sample readability
void DumpKnownFolderDef(REFKNOWNFOLDERID kfid, KNOWNFOLDER_DEFINITION const &kfd);
void DumpKnownFolderInfo(IKnownFolder *pkf);
BOOL ParseAndValidateCommandLine(PWSTR *ppszArgs, int iArgs, ACTION_TYPE *at, KNOWNFOLDERID *pkfid,
KNOWNFOLDER_DEFINITION *pkfd, PWSTR *ppszFindForPath);
void CompleteKnownFolderDef(KNOWNFOLDER_DEFINITION *pkfd);
HRESULT CreatePhysicalFolderIfNecessary(KNOWNFOLDERID kfidParent, PWSTR pszRelativePath);
void DumpUsage();
void UnregisterAllKFsAddedByThisTool(DWORD *pdwKFs);
void AddRegisteredFolderToHistory(KNOWNFOLDERID kfid);
HRESULT RegisterKnownFolder(REFKNOWNFOLDERID kfid, KNOWNFOLDER_DEFINITION *pkfd)
{
IKnownFolderManager *pkfm = NULL;
HRESULT hr = CoCreateInstance(CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pkfm));
if (SUCCEEDED(hr))
{
hr = pkfm->RegisterFolder(kfid, pkfd);
if (SUCCEEDED(hr))
{
// to make it easy to clean up everything this sample does, we'll track each added kfid
AddRegisteredFolderToHistory(kfid);
}
else
{
wprintf(L"IKnownFolder::RegisterFolder() failed with hr = 0x%x\nMake sure this tool is run as an administrator as that is necessary to regiser a known folder", hr);
}
pkfm->Release();
}
return hr;
}
void EnumAndDumpKnownFolders(DWORD *pdwKFCount, PCWSTR pszNameSrchStr, REFKNOWNFOLDERID kfidSearch)
{
*pdwKFCount = 0;
IKnownFolderManager *pkfm = NULL;
HRESULT hr = CoCreateInstance(CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pkfm));
if (SUCCEEDED(hr))
{
KNOWNFOLDERID *rgKFIDs = NULL;
UINT cKFIDs = 0;
hr = pkfm->GetFolderIds(&rgKFIDs, &cKFIDs);
if (SUCCEEDED(hr))
{
WCHAR szKFIDGuid[GUID_SIZE];
IKnownFolder *pkfCurrent = NULL;
for (UINT i = 0; i < cKFIDs; ++i)
{
// if we are searching for a specific GUID, make sure we match before going
// any further. GUID_NULL means "show all."
if (kfidSearch == GUID_NULL || kfidSearch == rgKFIDs[i])
{
StringFromGUID2(rgKFIDs[i], szKFIDGuid, ARRAYSIZE(szKFIDGuid));
hr = pkfm->GetFolder(rgKFIDs[i], &pkfCurrent);
if (SUCCEEDED(hr))
{
KNOWNFOLDERID kfid;
hr = pkfCurrent->GetId(&kfid);
if (FAILED(hr))
{
wprintf(L"IKnownFolder::GetId() failed for %s! hr=0x%x\n", szKFIDGuid, hr);
}
KNOWNFOLDER_DEFINITION kfd;
hr = pkfCurrent->GetFolderDefinition(&kfd);
if (FAILED(hr))
{
wprintf(L"IKnownFolderManager::GetFolderDefinition() failed hr=0x%x KNOWNFOLDERID=%s", hr, szKFIDGuid);
}
else
{
BOOL fDumpThisFolder = TRUE;
if (pszNameSrchStr)
{
if (NULL == wcsstr(kfd.pszName, pszNameSrchStr))
{
fDumpThisFolder = FALSE;
}
}
if (fDumpThisFolder)
{
++*pdwKFCount;
DumpKnownFolderDef(kfid, kfd);
DumpKnownFolderInfo(pkfCurrent);
}
FreeKnownFolderDefinitionFields(&kfd);
}
pkfCurrent->Release();
}
else
{
wprintf(L"IKnownFolderManager::GetFolder() failed for %s hr=0x%x\n", szKFIDGuid, hr);
}
}
}
CoTaskMemFree(rgKFIDs);
}
pkfm->Release();
}
}
HRESULT UnregisterFolder(REFKNOWNFOLDERID kfid)
{
IKnownFolderManager *pkfm = NULL;
HRESULT hr = CoCreateInstance(CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pkfm));
if (SUCCEEDED(hr))
{
hr = pkfm->UnregisterFolder(kfid);
if (FAILED(hr))
{
wprintf(L"IKnownFolder::UnregisterFolder() failed with hr = 0x%x\n", hr);
}
pkfm->Release();
}
return hr;
}
HRESULT GetKnownFolderForPath(PCWSTR pszPath, KNOWNFOLDERID *pkfid, KNOWNFOLDER_DEFINITION *pkfd)
{
IKnownFolderManager *pkfm;
HRESULT hr = CoCreateInstance(CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pkfm));
if (SUCCEEDED(hr))
{
IKnownFolder *pkf;
hr = pkfm->FindFolderFromPath(pszPath, FFFP_EXACTMATCH, &pkf);
if (S_OK == hr)
{
hr = pkf->GetId(pkfid);
if (S_OK == hr)
{
hr = pkf->GetFolderDefinition(pkfd);
if (S_OK != hr)
{
wprintf(L"IKnownFolderManager::GetFolderDefinition return hr=0x%x\n", hr);
}
}
else
{
wprintf(L"IKnownFolder::GetId return hr=0x%x\n", hr);
}
pkf->Release();
}
else
{
wprintf(L"IKnownFolderManager::FindFolderFromPath return hr=0x%x\n", hr);
}
pkfm->Release();
}
return hr;
}
int main(int, char *[])
{
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
if (SUCCEEDED(hr))
{
int iArgs = 0;
PWSTR *ppszArgs = CommandLineToArgvW(GetCommandLineW(), &iArgs);
KNOWNFOLDERID kfid = GUID_NULL;
KNOWNFOLDER_DEFINITION kfd = {};
ACTION_TYPE at;
PWSTR pszFindForPath = NULL;
if (ParseAndValidateCommandLine(ppszArgs, iArgs, &at, &kfid, &kfd, &pszFindForPath))
{
switch (at)
{
case ACT_REGISTER:
{
if (GUID_NULL == kfid)
{
CoCreateGuid(&kfid);
}
CompleteKnownFolderDef(&kfd);
hr = RegisterKnownFolder(kfid, &kfd);
if (S_OK == hr)
{
// we create our knownfolder with SHGetKnownFolderPath() so that the shell will write
// the desktop.ini file in the folder. This is how our customizations
// (i.e.: pszIcon, pszTooltip and pszLocalizedName) get picked up by explorer.
PWSTR pszPath = NULL;
hr = SHGetKnownFolderPath(kfid, KF_FLAG_CREATE | KF_FLAG_INIT, NULL, &pszPath);
if (S_OK != hr)
{
wprintf(L"SHGetKnownFolderPath(KF_FLAG_CREATE | KF_FLAG_INIT) returned hr=0x%x\nThe KnownFolder was not registered.\n", hr);
hr = UnregisterFolder(kfid);
if (S_OK != hr)
{
wprintf(L"IKnownFolderManager::UnregisterFolder returned hr=0x%x.\nThe folder was NOT unregistered.\n", hr);
}
else
{
wprintf(L"The KnownFolder was not registered.\n");
}
}
else
{
CoTaskMemFree(pszPath);
DumpKnownFolderDef(kfid, kfd);
}
}
}
break;
case ACT_ENUM:
wprintf(L"Enumerating all registered KnownFolders \n");
if (kfd.pszName)
{
wprintf(L" matching pszName '%s'...\n", kfd.pszName);
}
else if (GUID_NULL != kfid)
{
WCHAR szGuid[GUID_SIZE];
StringFromGUID2(kfid, szGuid, ARRAYSIZE(szGuid));
wprintf(L" matching KNOWNFOLDERID %s...\n", szGuid);
}
DWORD dwCKF;
EnumAndDumpKnownFolders(&dwCKF, kfd.pszName, kfid);
wprintf(L"Finished enumerating %d registered KnownFolders enumerated.\n", dwCKF);
break;
case ACT_UNREGISTER:
if (GUID_NULL == kfid)
{
DumpUsage();
}
else
{
hr = UnregisterFolder(kfid);
if (S_OK != hr)
{
wprintf(L"IKnownFolderManager::UnregisterFolder returned hr=0x%x\n", hr);
}
}
break;
case ACT_CLEAN:
wprintf(L"Unregistering all KnownFolders registered by this tool\n");
DWORD dw;
UnregisterAllKFsAddedByThisTool(&dw);
wprintf(L"Unregistered %d KnownFolders\n", dw);
break;
case ACT_FIND_FOR_PATH:
hr = GetKnownFolderForPath(pszFindForPath, &kfid, &kfd);
if (SUCCEEDED(hr))
{
DumpKnownFolderDef(kfid, kfd);
}
else
{
wprintf(L"Failed to find KnownFolder for path: %s\n", pszFindForPath);
}
break;
case ACT_SHOW_USAGE:
default:
DumpUsage();
break;
}
FreeKnownFolderDefinitionFields(&kfd);
CoTaskMemFree(pszFindForPath);
}
else
{
DumpUsage();
}
CoUninitialize();
}
return 0;
}
BOOL ExtractParam(PCWSTR pszPrefix, PCWSTR pszArg, PWSTR *ppszParam)
{
*ppszParam = NULL;
BOOL fSuccess = FALSE;
size_t cchPrefix = wcslen(pszPrefix);
size_t cchParam = wcslen(pszArg) - cchPrefix;
if (cchParam > 0)
{
*ppszParam = (PWSTR)CoTaskMemAlloc(sizeof(WCHAR) * (cchParam + 1));
if (*ppszParam)
{
StringCchCopyW(*ppszParam, cchParam + 1, pszArg + cchPrefix);
fSuccess = TRUE;
}
}
return fSuccess;
}
struct
{
KF_DEFINITION_FLAGS flags;
PCWSTR pszFlagName;
}
const c_rgKFFlagMap[] =
{
{ KFDF_LOCAL_REDIRECT_ONLY, L"redirectonly" },
{ KFDF_ROAMABLE, L"roamable" },
{ KFDF_PRECREATE, L"precreate" },
{ KFDF_STREAM, L"streamable" },
{ KFDF_PUBLISHEXPANDEDPATH, L"expandedpath" },
};
BOOL ArgToFlag(PCWSTR pszCat, KF_DEFINITION_FLAGS *pFlags)
{
*pFlags = (KF_DEFINITION_FLAGS)0;
BOOL fSuccess = FALSE;
for (int i = 0; i < ARRAYSIZE(c_rgKFFlagMap); ++i)
{
if (0 == StrCmpIW(pszCat, c_rgKFFlagMap[i].pszFlagName))
{
*pFlags = c_rgKFFlagMap[i].flags;
fSuccess = TRUE;
break;
}
}
return fSuccess;
}
struct
{
KF_CATEGORY category;
PCWSTR pszCategoryName;
}
const c_rgKFCategoryMap[] =
{
{ KF_CATEGORY_VIRTUAL, L"virtual" },
{ KF_CATEGORY_FIXED, L"fixed" },
{ KF_CATEGORY_COMMON, L"common" },
{ KF_CATEGORY_PERUSER, L"user" },
};
BOOL ArgToCategory(PCWSTR pszCat, KF_CATEGORY *pCategory)
{
*pCategory = (KF_CATEGORY)0;
BOOL fSuccess = FALSE;
for (int i = 0; i < ARRAYSIZE(c_rgKFCategoryMap); ++i)
{
if (0 == StrCmpIW(pszCat, c_rgKFCategoryMap[i].pszCategoryName))
{
*pCategory = c_rgKFCategoryMap[i].category;
fSuccess = TRUE;
break;
}
}
return fSuccess;
}
PCWSTR KFCategoryToString(KF_CATEGORY category)
{
PCWSTR psz = NULL;
for (int i = 0; i < ARRAYSIZE(c_rgKFCategoryMap); ++i)
{
if (category == c_rgKFCategoryMap[i].category)
{
psz = c_rgKFCategoryMap[i].pszCategoryName;
break;
}
}
return psz;
}
BOOL ParseAndValidateCommandLine(PWSTR *ppszArgs, int iArgs, ACTION_TYPE *at, KNOWNFOLDERID *pkfid,
KNOWNFOLDER_DEFINITION *pkfd, PWSTR *ppszFindForPath)
{
BOOL fSuccess = TRUE;
*at = ACT_UNDEFINED;
*ppszFindForPath = NULL;
for (int i = 0; fSuccess && (i < iArgs); ++i)
{
if (wcsstr(ppszArgs[i], SZ_CLA_REGISTER))
{
*at = ACT_REGISTER;
}
else if (wcsstr(ppszArgs[i], SZ_CLA_ENUM))
{
*at = ACT_ENUM;
}
else if (wcsstr(ppszArgs[i], SZ_CLA_UNREGISTER))
{
*at = ACT_UNREGISTER;
}
else if (wcsstr(ppszArgs[i], SZ_CLA_CLEAN))
{
*at = ACT_CLEAN;
}
else if (wcsstr(ppszArgs[i], SZ_CLA_SHOW_USAGE))
{
*at = ACT_SHOW_USAGE;
}
else if (wcsstr(ppszArgs[i], SZ_CLA_CATEGORY))
{
PWSTR pszCat;
fSuccess = ExtractParam(SZ_CLA_CATEGORY, ppszArgs[i], &pszCat);
if (fSuccess)
{
fSuccess = ArgToCategory(pszCat, &pkfd->category);
CoTaskMemFree(pszCat);
}
}
else if (wcsstr(ppszArgs[i], SZ_CLA_DEFFLAG))
{
PWSTR pszCat;
fSuccess = ExtractParam(SZ_CLA_DEFFLAG, ppszArgs[i], &pszCat);
if (fSuccess)
{
KF_DEFINITION_FLAGS flags;
fSuccess = ArgToFlag(pszCat, &flags);
if (fSuccess)
{
pkfd->kfdFlags |= flags;
}
CoTaskMemFree(pszCat);
}
}
else if (wcsstr(ppszArgs[i], SZ_CLA_ID))
{
PWSTR pszKFID;
fSuccess = ExtractParam(SZ_CLA_ID, ppszArgs[i], &pszKFID);
if (fSuccess)
{
CLSIDFromString(pszKFID, pkfid);
CoTaskMemFree(pszKFID);
}
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZNAME))
{
fSuccess = ExtractParam(SZ_CLA_PSZNAME, ppszArgs[i], &(pkfd->pszName));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZDESCRIPTION))
{
fSuccess = ExtractParam(SZ_CLA_PSZDESCRIPTION, ppszArgs[i], &(pkfd->pszDescription));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZRELPATH))
{
fSuccess = ExtractParam(SZ_CLA_PSZRELPATH, ppszArgs[i], &(pkfd->pszRelativePath));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZPARSENAME))
{
fSuccess = ExtractParam(SZ_CLA_PSZPARSENAME, ppszArgs[i], &(pkfd->pszParsingName));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZLOCALIZEDNAME))
{
fSuccess = ExtractParam(SZ_CLA_PSZLOCALIZEDNAME, ppszArgs[i], &(pkfd->pszLocalizedName));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZICON))
{
fSuccess = ExtractParam(SZ_CLA_PSZICON, ppszArgs[i], &(pkfd->pszIcon));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZTOOLTIP))
{
fSuccess = ExtractParam(SZ_CLA_PSZICON, ppszArgs[i], &(pkfd->pszTooltip));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_PSZSECURITY))
{
fSuccess = ExtractParam(SZ_CLA_PSZSECURITY, ppszArgs[i], &(pkfd->pszSecurity));
}
else if (wcsstr(ppszArgs[i], SZ_CLA_FINDFORPATH))
{
*at = ACT_FIND_FOR_PATH;
fSuccess = ExtractParam(SZ_CLA_FINDFORPATH, ppszArgs[i], ppszFindForPath);
}
}
return fSuccess;
}
void GenerateResourcePath(PWSTR *ppsz, DWORD dwRID, BOOL fUseAtSign)
{
WCHAR szExePath[MAX_PATH] = {};
GetModuleFileName(NULL, szExePath, ARRAYSIZE(szExePath));
size_t cch = ARRAYSIZE(szExePath) + 6; // + 6 for ",11111"
if (fUseAtSign)
{
cch += 1; // for "@" prefix
}
*ppsz = (PWSTR)CoTaskMemAlloc(sizeof(WCHAR) * cch);
if (*ppsz)
{
ZeroMemory(*ppsz, sizeof(WCHAR) * cch);
StringCchPrintfW(*ppsz, cch, (fUseAtSign ? L"@%s,-%d" : L"%s,-%d"), szExePath, dwRID);
}
}
// here we'll fill out all fields not entered by the user
void CompleteKnownFolderDef(KNOWNFOLDER_DEFINITION *pkfd)
{
if (0 == pkfd->category)
{
pkfd->category = KF_CATEGORY_PERUSER;
}
if (NULL == pkfd->pszName)
{
pkfd->pszName = L"SDK Sample KnownFolder";
}
if (GUID_NULL == pkfd->fidParent)
{
// by default we root under user profile
pkfd->fidParent = FOLDERID_Profile;
}
if (NULL == pkfd->pszDescription)
{
pkfd->pszDescription= L"This folder is a sample known folder";
}
if (NULL == pkfd->pszRelativePath)
{
pkfd->pszRelativePath = L"SDKSampleFolder";
}
if (NULL == pkfd->pszParsingName)
{
GUID guid;
CoCreateGuid(&guid);
pkfd->pszParsingName = (PWSTR)CoTaskMemAlloc(sizeof(WCHAR) * GUID_SIZE);
if (pkfd->pszParsingName)
{
StringFromGUID2(guid, pkfd->pszParsingName, GUID_SIZE);
}
}
if (NULL == pkfd->pszTooltip)
{
GenerateResourcePath(&pkfd->pszTooltip, IDS_KFSAMPLE_TOOLTIP, TRUE);
}
if (NULL == pkfd->pszLocalizedName)
{
GenerateResourcePath(&pkfd->pszLocalizedName, IDS_KFSAMPLE_LOCALIZEDNAME, TRUE);
}
if (NULL == pkfd->pszIcon)
{
GenerateResourcePath(&pkfd->pszIcon, IDI_KFSAMPLE_ICON, FALSE);
}
}
void DumpUsage()
{
wprintf(L"kfexplorer.exe /[register | enum | unregister | clean] </arg:param> ...\n\n");
wprintf(L"\t/register may be combined with any of the <args> below.\n");
wprintf(L"\t\t\tkfexplorer.exe /register\n");
wprintf(L"\t\t\tkfexplorer.exe /register \"/pszName:Sample KnownFolder\" /category:user /pszRelativePath:SampleFolder \"/pszDescription:This KnownFolder is for samples!\"\n\n");
wprintf(L"\t/enum may be combined with /pszName. If /pszName is specified only KnownFolders with names containing /pszName will be enumerated\n");
wprintf(L"\t\t\tkfexplorer.exe /enum\n");
wprintf(L"\t\t\tkfexplorer.exe /enum /pszName:Fonts\n\n");
wprintf(L"\t/unregister requires either /id or /pszPath\n");
wprintf(L"\t\t\tkfexplorer.exe /unregister /id:{7B396E54-9EC5-4300-BE0A-2482EBAE1A26}\n\n");
wprintf(L"\t<arg> may be any number of the following:\n");
wprintf(L"\t\t/pszName\tNon-localized human readable name of KnownFolder\n");
wprintf(L"\t\t/pszDescription\tDescription and purpose of the KnownFolder\n");
wprintf(L"\t\t/fidParent\tKNOWNFOLDERID (GUID) of parent knownfolder\n");
wprintf(L"\t\t/pszRelativePath\tPath of KnownFolder relative to pfidParent. If this folder does not exist it will be created.\n");
wprintf(L"\t\t/pszTooltip\tResource path for tooltip string (i.e.: c:\\kf.dll,-119)\n");
wprintf(L"\t\t/pszLocalizedName\tResource path for default localized name (i.e.: c:\\kf.dll,-119)\n");
wprintf(L"\t\t/pszIcon\tResource path for custom folder icon (i.e.: c:\\kf.dll,-119)\n");
wprintf(L"\t\t/pszSecurity\tSSDL formatted string describing default security descriptor\n");
wprintf(L"\t\t/dwAttributes\tFolder attributes\n");
wprintf(L"\t\t/defFlag\tUse this arg multiple times to build dwDefinitionFlags.\n");
wprintf(L"\t\t\tpersonalize - Can display a personalized name for this folder\n");
wprintf(L"\t\t\tlocal - Can redirect to local disk only\n");
wprintf(L"\t\t\troam - Can be synched to another machine\n");
wprintf(L"\t\t/category\tSpecify the KnownFolder category\n");
wprintf(L"\t\t\tvirtual - virtual shell folders appear in the namespace but do not represent a physical folder (i.e.: Control Panel)\n");
wprintf(L"\t\t\tfixed - folders not managed by shell and not redirectable (i.e.: C:\\Windows)\n");
wprintf(L"\t\t\tcommon - folders used for sharing data between users (i.e.: C:\\users\\public\\desktop)\n");
wprintf(L"\t\t\tuser - per user folders rooted in the user profile (i.e.: C:\\users\\<user>\\Pictures)\n");
}
void DumpKnownFolderDef(REFKNOWNFOLDERID kfid, KNOWNFOLDER_DEFINITION const &kfd)
{
WCHAR szGuid[GUID_SIZE] = {};
wprintf(L"KNOWNFOLDER_DEFINITION for: %s\n", kfd.pszName);
wprintf(L"\tCategory: 0x%x (%s)\n", kfd.category, KFCategoryToString(kfd.category));
StringFromGUID2(kfid, szGuid, ARRAYSIZE(szGuid));
wprintf(L"\tKNOWNFOLDERID : %s\n", szGuid);
wprintf(L"\tpszName : %s\n", kfd.pszName);
wprintf(L"\tpszDescription : %s\n", kfd.pszDescription);
StringFromGUID2(kfd.fidParent, szGuid, ARRAYSIZE(szGuid));
wprintf(L"\tfidParent : %s\n", szGuid);
wprintf(L"\tpszRelativePath : %s\n", kfd.pszRelativePath);
wprintf(L"\tpszParsingName : %s\n", kfd.pszParsingName);
wprintf(L"\tpszTooltip : %s\n", kfd.pszTooltip);
wprintf(L"\tpszLocalizedName : %s\n", kfd.pszLocalizedName);
wprintf(L"\tpszIcon : %s\n", kfd.pszIcon);
wprintf(L"\tpszSecurity : %s\n", kfd.pszSecurity);
wprintf(L"\tdwAttributes : %d\n", kfd.dwAttributes);
wprintf(L"\tkfdFlags : 0x%x\n", kfd.kfdFlags);
}
// You can get some information from IKnownFolder that you cannot get from
// the KNOWNFOLDER_DEFINITION.
void DumpKnownFolderInfo(IKnownFolder *pkf)
{
KNOWNFOLDERID kfid = GUID_NULL;
HRESULT hr = pkf->GetId(&kfid);
if (SUCCEEDED(hr))
{
KNOWNFOLDER_DEFINITION kfd;
ZeroMemory(&kfd, sizeof(kfd));
hr = pkf->GetFolderDefinition(&kfd);
if (SUCCEEDED(hr))
{
WCHAR szGuid[GUID_SIZE];
StringFromGUID2(kfid, szGuid, ARRAYSIZE(szGuid));
wprintf(L"IKnownFolder info for %s (%s)\n", kfd.pszName, szGuid);
PWSTR pszPath = NULL;
hr = pkf->GetPath(0, &pszPath);
if (SUCCEEDED(hr))
{
wprintf(L"\tCurrent Path : %s\n", pszPath);
CoTaskMemFree(pszPath);
}
else
{
wprintf(L"\tERROR: IKnownFolder::GetPath() returned hr=0x%x\n", hr);
}
IShellItem *psi;
hr = pkf->GetShellItem(0, IID_PPV_ARGS(&psi));
if (SUCCEEDED(hr))
{
PWSTR psz;
hr = psi->GetDisplayName(SIGDN_DESKTOPABSOLUTEPARSING, &psz);
if (SUCCEEDED(hr))
{
wprintf(L"\tCurrent Location: %s\n", psz);
CoTaskMemFree(psz);
}
psi->Release();
}
else
{
wprintf(L"\tERROR: IKnownFolder::GetLocation() returned hr=0x%x\n", hr);
}
}
else
{
wprintf(L"\tERROR: IKnownFolderManager::GetFolderDefinition() failed. hr=0x%x\n", hr);
}
}
else
{
wprintf(L"\tERROR: IKnownFolder::GetId() failed. hr=0x%x\n", hr);
}
}
HRESULT RemovePhysicalFolder(REFKNOWNFOLDERID kfid)
{
IKnownFolderManager *pkfm;
HRESULT hr = CoCreateInstance(CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pkfm));
if (SUCCEEDED(hr))
{
IKnownFolder *pkf;
hr = pkfm->GetFolder(kfid, &pkf);
if (SUCCEEDED(hr))
{
PWSTR pszPath;
hr = pkf->GetPath(0, &pszPath);
if (SUCCEEDED(hr))
{
SHFILEOPSTRUCT fos = {};
fos.wFunc = FO_DELETE;
fos.pFrom = pszPath;
fos.fFlags = FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT;
if (0 != SHFileOperation(&fos))
{
hr = E_FAIL;
}
CoTaskMemFree(pszPath);
}
pkf->Release();
}
pkfm->Release();
}
return hr;
}
void AddRegisteredFolderToHistory(KNOWNFOLDERID kfid)
{
HKEY hKey;
DWORD dwDisp = 0;
if (ERROR_SUCCESS == RegCreateKeyExW(HKEY_LOCAL_MACHINE, SZ_REG_PATH_HISTORY, 0, NULL,
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dwDisp))
{
WCHAR szGuid[GUID_SIZE];
StringFromGUID2(kfid, szGuid, ARRAYSIZE(szGuid));
SHSetValueW(hKey, NULL, szGuid, REG_SZ, NULL, NULL);
RegCloseKey(hKey);
}
}
void UnregisterAllKFsAddedByThisTool(DWORD *pdwKFs)
{
*pdwKFs = 0;
HKEY hKey;
if (ERROR_SUCCESS == RegOpenKeyExW(HKEY_LOCAL_MACHINE, SZ_REG_PATH_HISTORY, 0, KEY_ALL_ACCESS, &hKey))
{
DWORD dwValues = 0;
DWORD cchMaxValueNameLen = 0;
if (ERROR_SUCCESS == RegQueryInfoKeyW(hKey, NULL, NULL, NULL, NULL, NULL, NULL, &dwValues, &cchMaxValueNameLen, NULL, NULL, NULL))
{
DWORD const cchValName = cchMaxValueNameLen + 1; // add 1 for trailing NULL
PWSTR pszValName = (PWSTR)CoTaskMemAlloc(sizeof(WCHAR) * cchValName);
if (pszValName)
{
for (DWORD dw = 0; dw < dwValues; ++dw)
{
DWORD cchValNameInOut = cchValName;
if (ERROR_SUCCESS == RegEnumValueW(hKey, dw, pszValName, &cchValNameInOut, NULL, NULL, NULL, NULL))
{
KNOWNFOLDERID kfid = GUID_NULL;
CLSIDFromString(pszValName, &kfid);
RemovePhysicalFolder(kfid);
HRESULT hr = UnregisterFolder(kfid);
if (SUCCEEDED(hr))
{
++*pdwKFs;
}
else
{
wprintf(L"Failed to UnregisterFolder %s hr=0x%x\n", pszValName, hr);
}
}
}
CoTaskMemFree(pszValName);
}
}
RegDeleteTree(hKey, NULL);
RegCloseKey(hKey);
}
}