266 lines
8.6 KiB
C++
266 lines
8.6 KiB
C++
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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app.cpp
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Abstract:
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Source file for dealing with registered apps.
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Author:
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Jim Schmidt (jimschm) 06-Mar-2001
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Revision History:
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<alias> <date> <description>
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--*/
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#include "pch.h"
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#include "shappmgrp.h"
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ULONGLONG
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pComputeWstrChecksum (
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IN ULONGLONG Checksum,
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IN PCWSTR String
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)
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{
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Checksum = (Checksum << 2) | (Checksum >> 62);
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if (String) {
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while (*String) {
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Checksum = (Checksum << 17) | (Checksum >> 47);
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Checksum ^= (ULONGLONG) (*String);
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String++;
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}
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}
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return Checksum;
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}
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PINSTALLEDAPPW
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GetInstalledAppsW (
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IN OUT PGROWBUFFER Buffer,
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OUT PUINT Count OPTIONAL
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)
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{
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IShellAppManager *appManager = NULL;
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IEnumInstalledApps *enumApps = NULL;
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IInstalledApp *installedApp = NULL;
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APPINFODATA appInfoData;
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HRESULT hr;
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PINSTALLEDAPPW instApp;
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UINT orgEnd = Buffer->End;
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if (Count) {
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*Count = 0;
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}
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__try {
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//
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// Create shell manager interface
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//
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hr = CoCreateInstance (
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__uuidof(ShellAppManager),
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NULL,
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CLSCTX_INPROC_SERVER,
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__uuidof(IShellAppManager),
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(void**) &appManager
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);
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if (hr != S_OK) {
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DEBUGMSG ((DBG_ERROR, "Can't create ShellAppManager interface. hr=%X", hr));
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__leave;
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}
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//
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// Create installed apps enum interface
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//
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hr = appManager->EnumInstalledApps (&enumApps);
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if (hr != S_OK) {
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DEBUGMSG ((DBG_ERROR, "Can't create EnumInstalledApps interface. hr=%X", hr));
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__leave;
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}
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//
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// Enumerate the apps
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//
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hr = enumApps->Next (&installedApp);
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while (hr == S_OK) {
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ZeroMemory (&appInfoData, sizeof (APPINFODATA));
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appInfoData.cbSize = sizeof(APPINFODATA);
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appInfoData.dwMask = AIM_DISPLAYNAME|
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AIM_VERSION|
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AIM_PUBLISHER|
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AIM_PRODUCTID|
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AIM_REGISTEREDOWNER|
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AIM_REGISTEREDCOMPANY|
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AIM_LANGUAGE|
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AIM_SUPPORTURL|
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AIM_SUPPORTTELEPHONE|
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AIM_HELPLINK|
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AIM_INSTALLLOCATION|
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AIM_INSTALLSOURCE|
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AIM_INSTALLDATE|
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AIM_CONTACT|
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AIM_COMMENTS|
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AIM_IMAGE|
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AIM_READMEURL|
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AIM_UPDATEINFOURL;
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hr = installedApp->GetAppInfo (&appInfoData);
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if (hr == S_OK) {
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instApp = (PINSTALLEDAPPW) GrowBuffer (Buffer, sizeof (INSTALLEDAPPW));
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StringCopyByteCountW (instApp->DisplayName, appInfoData.pszDisplayName, sizeof (instApp->DisplayName));
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if (appInfoData.pszVersion) {
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StringCopyByteCountW (instApp->Version, appInfoData.pszVersion, sizeof (instApp->Version));
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} else {
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instApp->Version[0] = 0;
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}
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if (appInfoData.pszPublisher) {
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StringCopyByteCountW (instApp->Publisher, appInfoData.pszPublisher, sizeof (instApp->Publisher));
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} else {
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instApp->Publisher[0] = 0;
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}
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if (appInfoData.pszProductID) {
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StringCopyByteCountW (instApp->ProductID, appInfoData.pszProductID, sizeof (instApp->ProductID));
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} else {
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instApp->ProductID[0] = 0;
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}
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if (appInfoData.pszRegisteredOwner) {
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StringCopyByteCountW (instApp->RegisteredOwner, appInfoData.pszRegisteredOwner, sizeof (instApp->RegisteredOwner));
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} else {
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instApp->RegisteredOwner[0] = 0;
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}
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if (appInfoData.pszRegisteredCompany) {
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StringCopyByteCountW (instApp->RegisteredCompany, appInfoData.pszRegisteredCompany, sizeof (instApp->RegisteredCompany));
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} else {
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instApp->RegisteredCompany[0] = 0;
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}
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if (appInfoData.pszLanguage) {
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StringCopyByteCountW (instApp->Language, appInfoData.pszLanguage, sizeof (instApp->Language));
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} else {
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instApp->Language[0] = 0;
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}
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if (appInfoData.pszSupportUrl) {
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StringCopyByteCountW (instApp->SupportUrl, appInfoData.pszSupportUrl, sizeof (instApp->SupportUrl));
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} else {
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instApp->SupportUrl[0] = 0;
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}
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if (appInfoData.pszSupportTelephone) {
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StringCopyByteCountW (instApp->SupportTelephone, appInfoData.pszSupportTelephone, sizeof (instApp->SupportTelephone));
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} else {
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instApp->SupportTelephone[0] = 0;
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}
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if (appInfoData.pszHelpLink) {
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StringCopyByteCountW (instApp->HelpLink, appInfoData.pszHelpLink, sizeof (instApp->HelpLink));
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} else {
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instApp->HelpLink[0] = 0;
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}
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if (appInfoData.pszInstallLocation) {
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StringCopyByteCountW (instApp->InstallLocation, appInfoData.pszInstallLocation, sizeof (instApp->InstallLocation));
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} else {
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instApp->InstallLocation[0] = 0;
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}
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if (appInfoData.pszInstallSource) {
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StringCopyByteCountW (instApp->InstallSource, appInfoData.pszInstallSource, sizeof (instApp->InstallSource));
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} else {
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instApp->InstallSource[0] = 0;
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}
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if (appInfoData.pszInstallDate) {
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StringCopyByteCountW (instApp->InstallDate, appInfoData.pszInstallDate, sizeof (instApp->InstallDate));
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} else {
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instApp->InstallDate[0] = 0;
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}
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if (appInfoData.pszContact) {
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StringCopyByteCountW (instApp->Contact, appInfoData.pszContact, sizeof (instApp->Contact));
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} else {
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instApp->Contact[0] = 0;
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}
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if (appInfoData.pszComments) {
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StringCopyByteCountW (instApp->Comments, appInfoData.pszComments, sizeof (instApp->Comments));
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} else {
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instApp->Comments[0] = 0;
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}
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if (appInfoData.pszImage) {
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StringCopyByteCountW (instApp->Image, appInfoData.pszImage, sizeof (instApp->Image));
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} else {
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instApp->Image[0] = 0;
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}
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if (appInfoData.pszReadmeUrl) {
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StringCopyByteCountW (instApp->ReadmeUrl, appInfoData.pszReadmeUrl, sizeof (instApp->ReadmeUrl));
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} else {
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instApp->ReadmeUrl[0] = 0;
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}
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if (appInfoData.pszUpdateInfoUrl) {
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StringCopyByteCountW (instApp->UpdateInfoUrl, appInfoData.pszUpdateInfoUrl, sizeof (instApp->UpdateInfoUrl));
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} else {
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instApp->UpdateInfoUrl[0] = 0;
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}
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instApp->Checksum = pComputeWstrChecksum (0, appInfoData.pszVersion);
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instApp->Checksum = pComputeWstrChecksum (instApp->Checksum, appInfoData.pszPublisher);
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instApp->Checksum = pComputeWstrChecksum (instApp->Checksum, appInfoData.pszProductID);
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instApp->Checksum = pComputeWstrChecksum (instApp->Checksum, appInfoData.pszLanguage);
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instApp->Checksum = pComputeWstrChecksum (instApp->Checksum, appInfoData.pszInstallLocation);
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instApp->Checksum = pComputeWstrChecksum (instApp->Checksum, appInfoData.pszInstallDate);
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if (Count) {
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*Count += 1;
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}
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}
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installedApp->Release();
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hr = enumApps->Next (&installedApp);
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}
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//
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// Done
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//
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hr = S_OK;
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}
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__finally {
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if (appManager) {
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appManager->Release();
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}
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if (enumApps) {
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enumApps->Release();
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}
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}
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return hr == S_OK ? (PINSTALLEDAPPW) (Buffer->Buf + orgEnd) : NULL;
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}
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