243 lines
12 KiB
C++
243 lines
12 KiB
C++
#include "stdafx.h"
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#include <LMCONS.H> // 97/07/22 vtan: for UNLEN
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#pragma hdrstop
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BOOL OnUpgradeDisableActiveDesktopFeatures();
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void CreateMyCurHomeComponent(BOOL fChecked)
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{
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// If there is a policy to prevent adding desktop components, then we should not attempt to add.
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// Otherwise, a new user gets an error message when they login for the first time.
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// Bug #21300 -- Fixed on 2/28/2001 -- Sankar
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if (SHRestricted(REST_NOADDDESKCOMP))
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return;
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//Add the base components!
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TCHAR szBuf[MAX_PATH];
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ISubscriptionMgr * psm;
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// Add a component that points to "about:home"
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LoadString(HINST_THISDLL, IDS_MY_CURRENT_HOMEPAGE, szBuf, ARRAYSIZE(szBuf));
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// 98/07/14 vtan #176721: Changed the following to pass default component
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// positions to AddRemoveDesktopComponentNoUI so that the restored position may
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// be set to the default component position.
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// int iTop, iLeft;
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// DWORD dwWidth, dwHeight;
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// GetMyCurHomePageStartPos(&iLeft, &iTop, &dwWidth, &dwHeight);
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// AddRemoveDesktopComponentNoUI(TRUE, AD_APPLY_SAVE, MY_HOMEPAGE_SOURCE, szBuf, COMP_TYPE_WEBSITE, iLeft, iTop, dwWidth, dwHeight, TRUE, IS_SPLIT);
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AddRemoveDesktopComponentNoUI(TRUE, AD_APPLY_SAVE, MY_HOMEPAGE_SOURCE, szBuf, COMP_TYPE_WEBSITE, COMPONENT_DEFAULT_LEFT, COMPONENT_DEFAULT_TOP, COMPONENT_DEFAULT_WIDTH, COMPONENT_DEFAULT_HEIGHT, fChecked, IS_SPLIT);
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if (SUCCEEDED(CoCreateInstance(CLSID_SubscriptionMgr, NULL,
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CLSCTX_INPROC_SERVER, IID_ISubscriptionMgr, (void**)&psm)))
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{
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WCHAR wszName[MAX_PATH];
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//We need to zero init this structure except the cbSize field.
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SUBSCRIPTIONINFO siDefault = {sizeof(SUBSCRIPTIONINFO)};
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SHTCharToUnicode(szBuf, wszName, ARRAYSIZE(wszName));
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//This field is already initialized above.
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//siDefault.cbSize = sizeof(siDefault);
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psm->CreateSubscription(NULL, MY_HOMEPAGE_SOURCEW, wszName, CREATESUBS_NOUI, SUBSTYPE_DESKTOPURL, &siDefault);
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psm->Release();
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}
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}
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STDAPI CDeskHtmlProp_RegUnReg(BOOL bReg)
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{
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HKEY hKey;
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DWORD userNameSize;
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TCHAR lpszDeskcomp[MAX_PATH];
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TCHAR userName[UNLEN];
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// 98/07/22 vtan #202707: Problem: This code gets called for the first time when NT
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// runs. This sets up the default user profile. Anything that is added to this profile
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// is propagated to any current user when upgrading from NT 4.0 to NT 5.0. This
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// causes the DeskHtmlVersion, DeskHtmlMinorVersion and Component\0 to be replaced
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// with the default component. By replacing the version registry entries any old
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// components will not get correctly upgraded by the component reading code. It also
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// destroys the first component.
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// Solution: Prevent a default component being added at setup time by checking the
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// logged on user is "SYSTEM". If the user is anybody other than system then perform
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// the update or addition of the default component.
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userNameSize = ARRAYSIZE(userName);
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if ((GetUserName(userName, &userNameSize) != 0) && (lstrcmp(userName, TEXT("SYSTEM")) == 0))
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return(S_OK); // an ungracious exit right here and now!
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if(bReg)
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{
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DWORD dwDisposition;
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DWORD dwDeskHtmlVersion = 0;
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DWORD dwDeskHtmlMinorVersion = 0;
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DWORD dwType;
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GetRegLocation(lpszDeskcomp, SIZECHARS(lpszDeskcomp), REG_DESKCOMP_COMPONENTS, NULL);
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if(RegCreateKeyEx(HKEY_CURRENT_USER, (LPCTSTR)lpszDeskcomp,
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0, NULL, 0, KEY_CREATE_SUB_KEY|KEY_QUERY_VALUE, NULL, &hKey, &dwDisposition) == ERROR_SUCCESS)
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{
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//Get the version stamp from the registry
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if(dwDisposition == REG_OPENED_EXISTING_KEY)
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{
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DWORD dwDataLength = SIZEOF(DWORD);
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SHQueryValueEx(hKey, REG_VAL_COMP_VERSION, NULL, &dwType, (LPBYTE)(&dwDeskHtmlVersion), &dwDataLength);
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SHQueryValueEx(hKey, REG_VAL_COMP_MINOR_VERSION, NULL, &dwType, (LPBYTE)(&dwDeskHtmlMinorVersion), &dwDataLength);
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}
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//We need to close this key before we delete it
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RegCloseKey(hKey);
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// If this branch is already there, don't set default comp.
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// Note: The differences between IE4_DESKHTML_VERSION and CUR_DESKHTML_VERSION are
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// automatically taken care of when we read the components. So, we need to check only
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// for very old versions here.
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if (dwDeskHtmlVersion < IE4_DESKHTML_VERSION)
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{
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//Delete the existing components.
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SHDeleteKey(HKEY_CURRENT_USER, (LPCTSTR)lpszDeskcomp);
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// Create the default active desktop configuration
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if(RegCreateKeyEx(HKEY_CURRENT_USER, (LPCTSTR)lpszDeskcomp, 0, NULL, 0,
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(KEY_CREATE_SUB_KEY | KEY_SET_VALUE), NULL, &hKey, &dwDisposition) == ERROR_SUCCESS)
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{
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//We need an initial state
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DWORD dw;
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dw = CUR_DESKHTML_VERSION;
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RegSetValueEx(hKey, REG_VAL_COMP_VERSION, 0, REG_DWORD, (LPBYTE)&dw, SIZEOF(dw));
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dw = CUR_DESKHTML_MINOR_VERSION;
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RegSetValueEx(hKey, REG_VAL_COMP_MINOR_VERSION, 0, REG_DWORD, (LPBYTE)&dw, SIZEOF(dw));
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dw = COMPSETTING_ENABLE;
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RegSetValueEx(hKey, REG_VAL_COMP_SETTINGS, 0, REG_DWORD, (LPBYTE)&dw, SIZEOF(dw));
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//Add the home page component
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CreateMyCurHomeComponent(FALSE); //For millennium we want to disable the component.
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RegCloseKey(hKey);
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}
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// Create the default active desktop safemode configuration
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if(RegCreateKeyEx(HKEY_CURRENT_USER, REG_DESKCOMP_SAFEMODE,
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0, NULL, 0, KEY_CREATE_SUB_KEY, NULL, &hKey, &dwDisposition) == ERROR_SUCCESS)
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{
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DWORD dwDisposition;
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HKEY hKey2;
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if(RegCreateKeyEx(hKey, REG_DESKCOMP_GENERAL_SUFFIX, 0, NULL, 0,
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(KEY_CREATE_SUB_KEY | KEY_SET_VALUE), NULL, &hKey2, &dwDisposition) == ERROR_SUCCESS)
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{
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TCHAR szSafeMode[MAX_PATH];
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GetWindowsDirectory(szSafeMode, ARRAYSIZE(szSafeMode));
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lstrcat(szSafeMode, DESKTOPHTML_DEFAULT_SAFEMODE);
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// Show safemode.htx
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SHRegSetPath(hKey2, NULL, REG_VAL_GENERAL_WALLPAPER, szSafeMode, 0);
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// Don't bring up the gallery dialog box
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dwDisposition = 0;
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RegSetValueEx(hKey2, REG_VAL_GENERAL_VISITGALLERY, 0, REG_DWORD, (LPBYTE)&dwDisposition, sizeof(dwDisposition));
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RegCloseKey(hKey2);
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}
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RegCloseKey(hKey);
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}
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// Create the default scheme key
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if(RegCreateKeyEx(HKEY_CURRENT_USER, REG_DESKCOMP_SCHEME, 0, NULL, 0,
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(KEY_CREATE_SUB_KEY | KEY_SET_VALUE), NULL, &hKey, &dwDisposition) == ERROR_SUCCESS)
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{
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RegSetValueEx(hKey, REG_VAL_SCHEME_EDIT, 0, REG_SZ, (LPBYTE)TEXT(""), SIZEOF(TCHAR));
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RegSetValueEx(hKey, REG_VAL_SCHEME_DISPLAY, 0, REG_SZ, (LPBYTE)TEXT(""), SIZEOF(TCHAR));
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RegCloseKey(hKey);
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}
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// Set the components to be dirty sothat we re-generate desktop.htm
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// the first boot after installing IE4.0.
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SetDesktopFlags(COMPONENTS_DIRTY, COMPONENTS_DIRTY);
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GetRegLocation(lpszDeskcomp, SIZECHARS(lpszDeskcomp), REG_DESKCOMP_GENERAL, NULL);
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RegCreateKeyEx(HKEY_CURRENT_USER, lpszDeskcomp,
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0, NULL, 0, KEY_CREATE_SUB_KEY, NULL, &hKey, &dwDisposition);
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RegCloseKey(hKey);
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}
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else
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{
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//See if we are upgrading from an older version like IE4.
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if (dwDeskHtmlVersion < CUR_DESKHTML_VERSION)
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{
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// If so, save the DESKHTML_VERSION we are upgrading from.
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// We use this later in SHGetSetSettings to decide if active desktop is ON/OFF.
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// NOTE: The "UpgradedFrom" value is at "...\Desktop" and NOT at "..\Desktop\Components"
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// This is because the "Components" key gets destroyed very often.
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SHSetValue(HKEY_CURRENT_USER, REG_DESKCOMP, REG_VAL_COMP_UPGRADED_FROM,
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REG_DWORD, (LPBYTE)&dwDeskHtmlVersion, SIZEOF(dwDeskHtmlVersion));
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}
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// The major version numbers match. So check if the minor version numbers
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// match too!
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if(dwDeskHtmlMinorVersion < CUR_DESKHTML_MINOR_VERSION)
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{
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//Update the new Minor version number!
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if(RegCreateKeyEx(HKEY_CURRENT_USER, (LPCTSTR)lpszDeskcomp, 0, NULL, 0,
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(KEY_CREATE_SUB_KEY | KEY_SET_VALUE), NULL, &hKey, &dwDisposition) == ERROR_SUCCESS)
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{
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DWORD dw;
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dw = CUR_DESKHTML_MINOR_VERSION;
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RegSetValueEx(hKey, REG_VAL_COMP_MINOR_VERSION, 0, REG_DWORD, (LPBYTE)&dw, SIZEOF(dw));
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RegCloseKey(hKey);
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}
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// Add the new home page component
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if((dwDeskHtmlVersion <= 0x10f) && (dwDeskHtmlMinorVersion <= 0x0001))
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CreateMyCurHomeComponent(FALSE);
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//
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// If this is an upgrade from W2K or earlier, we need to check if the
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// active desktop is OFF. If so, we need to turn off all the desktop components
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// sothat the active desktop continues to be OFF.
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if((dwDeskHtmlVersion <= NT5_DESKHTML_VERSION) &&
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(dwDeskHtmlMinorVersion <= NT5_DESKHTML_MINOR_VERSION))
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{
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OnUpgradeDisableActiveDesktopFeatures();
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}
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// Minor version numbers do not match. So, set the dirty bit to force
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// the regeneration of desktop.htt later when needed.
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SetDesktopFlags(COMPONENTS_DIRTY, COMPONENTS_DIRTY);
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// 98/07/16 vtan #176721/#202707: Added the following code to delete HKCU\Software\
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// Microsoft\Internet Explorer\Desktop\General\ComponentsPositioned because in NT 4.0
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// with IE 4.0 SP1 this registry entry is incorrectly incremented when the components
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// are iterated rather than when they are positioned. This resets the counter
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// in NT 5.0 where the bug has been fixed.
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GetRegLocation(lpszDeskcomp, SIZECHARS(lpszDeskcomp), REG_DESKCOMP_GENERAL, NULL);
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DWORD dw;
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if (RegCreateKeyEx(HKEY_CURRENT_USER, (LPCTSTR)lpszDeskcomp, 0, NULL, 0, KEY_READ | KEY_WRITE, NULL, &hKey, &dw) == ERROR_SUCCESS)
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{
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(LONG)RegDeleteValue(hKey, REG_VAL_GENERAL_CCOMPPOS);
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(LONG)RegCloseKey(hKey);
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}
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}
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}
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}
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}
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else
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{
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SHDeleteKey(HKEY_LOCAL_MACHINE, c_szRegDeskHtmlProp);
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SHDeleteKey(HKEY_CURRENT_USER, REG_DESKCOMP_COMPONENTS_ROOT);
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SHDeleteKey(HKEY_CURRENT_USER, REG_DESKCOMP_GENERAL_ROOT);
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SHDeleteKey(HKEY_CURRENT_USER, REG_DESKCOMP_SAFEMODE);
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SHDeleteKey(HKEY_CURRENT_USER, REG_DESKCOMP_SCHEME);
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}
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return S_OK;
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}
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