appwiz.cpl: Read installed application information from registry.
This commit is contained in:
Owen Rudge
Alexandre Julliard
parent
d8d725f73f
commit
c16aeaf8e5
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@ -48,8 +48,44 @@ WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
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/* define a maximum length for various buffers we use */
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#define MAX_STRING_LEN 1024
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typedef struct APPINFO {
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int id;
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LPWSTR title;
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LPWSTR path;
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LPWSTR icon;
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int iconIdx;
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LPWSTR publisher;
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LPWSTR version;
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HKEY regroot;
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WCHAR regkey[MAX_STRING_LEN];
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struct APPINFO *next;
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} APPINFO;
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static struct APPINFO *AppInfo = NULL;
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static HINSTANCE hInst;
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/* names of registry keys */
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static const WCHAR BackSlashW[] = { '\\', 0 };
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static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
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static const WCHAR DisplayIconW[] = {'D','i','s','p','l','a','y','I','c','o','n',0};
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static const WCHAR DisplayVersionW[] = {'D','i','s','p','l','a','y','V','e','r',
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's','i','o','n',0};
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static const WCHAR PublisherW[] = {'P','u','b','l','i','s','h','e','r',0};
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static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l',
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'S','t','r','i','n','g',0};
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static const WCHAR PathUninstallW[] = {
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'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'W','i','n','d','o','w','s','\\',
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'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
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'U','n','i','n','s','t','a','l','l',0 };
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/******************************************************************************
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* Name : DllMain
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* Description: Entry point for DLL file
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@ -68,6 +104,205 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
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return TRUE;
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}
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/******************************************************************************
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* Name : FreeAppInfo
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* Description: Frees memory used by an AppInfo structure, and any children.
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*/
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static void FreeAppInfo(APPINFO *info)
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{
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APPINFO *iter = info;
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while (iter)
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{
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if (iter->title)
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HeapFree(GetProcessHeap(), 0, iter->title);
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if (iter->path)
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HeapFree(GetProcessHeap(), 0, iter->path);
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if (iter->icon)
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HeapFree(GetProcessHeap(), 0, iter->icon);
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if (iter->publisher)
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HeapFree(GetProcessHeap(), 0, iter->publisher);
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if (iter->version)
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HeapFree(GetProcessHeap(), 0, iter->version);
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iter = iter->next;
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HeapFree(GetProcessHeap(), 0, iter);
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}
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}
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/******************************************************************************
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* Name : ReadApplicationsFromRegistry
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* Description: Creates a linked list of uninstallable applications from the
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* registry.
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* Parameters : root - Which registry root to read from (HKCU/HKLM)
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* Returns : TRUE if successful, FALSE otherwise
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*/
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static BOOL ReadApplicationsFromRegistry(HKEY root)
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{
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HKEY hkeyUninst, hkeyApp;
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int i, id = 0;
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DWORD sizeOfSubKeyName, displen, uninstlen;
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WCHAR subKeyName[256];
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WCHAR key_app[MAX_STRING_LEN];
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WCHAR *p;
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APPINFO *iter = AppInfo;
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LPWSTR iconPtr;
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BOOL ret = FALSE;
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if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) !=
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ERROR_SUCCESS)
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return FALSE;
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lstrcpyW(key_app, PathUninstallW);
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lstrcatW(key_app, BackSlashW);
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p = key_app+lstrlenW(PathUninstallW)+1;
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sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
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if (iter)
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{
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/* find the end of the list */
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for (iter = AppInfo; iter->next; iter = iter->next);
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}
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for (i = 0; RegEnumKeyExW(hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL,
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NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS; ++i)
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{
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lstrcpyW(p, subKeyName);
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RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
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displen = 0;
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uninstlen = 0;
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if ((RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen) ==
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ERROR_SUCCESS) && (RegQueryValueExW(hkeyApp, UninstallCommandlineW,
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0, 0, NULL, &uninstlen) == ERROR_SUCCESS))
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{
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/* if we already have iter, allocate the next entry */
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if (iter)
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{
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iter->next = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(struct APPINFO));
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if (!iter->next)
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goto err;
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iter = iter->next;
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}
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else
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{
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/* if not, start the list */
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iter = AppInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(struct APPINFO));
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if (!iter)
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goto err;
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}
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iter->title = HeapAlloc(GetProcessHeap(), 0, displen);
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if (!iter->title)
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goto err;
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RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)iter->title,
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&displen);
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/* now get DisplayIcon */
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displen = 0;
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RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, NULL, &displen);
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if (displen == 0)
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iter->icon = 0;
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else
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{
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iter->icon = HeapAlloc(GetProcessHeap(), 0, displen);
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if (!iter->icon)
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goto err;
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RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, (LPBYTE)iter->icon,
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&displen);
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/* separate the index from the icon name, if supplied */
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iconPtr = strchrW(iter->icon, ',');
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if (iconPtr)
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{
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*iconPtr++ = 0;
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iter->iconIdx = atoiW(iconPtr);
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}
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}
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iter->path = HeapAlloc(GetProcessHeap(), 0, uninstlen);
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if (!iter->path)
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goto err;
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RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0,
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(LPBYTE)iter->path, &uninstlen);
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/* publisher, version */
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if (RegQueryValueExW(hkeyApp, PublisherW, 0, 0, NULL, &displen) ==
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ERROR_SUCCESS)
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{
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iter->publisher = HeapAlloc(GetProcessHeap(), 0, displen);
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if (!iter->publisher)
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goto err;
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RegQueryValueExW(hkeyApp, PublisherW, 0, 0, (LPBYTE)iter->publisher,
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&displen);
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}
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if (RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, NULL, &displen) ==
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ERROR_SUCCESS)
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{
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iter->version = HeapAlloc(GetProcessHeap(), 0, displen);
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if (!iter->version)
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goto err;
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RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, (LPBYTE)iter->version,
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&displen);
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}
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/* registry key */
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iter->regroot = root;
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lstrcpyW(iter->regkey, subKeyName);
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iter->id = id++;
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}
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RegCloseKey(hkeyApp);
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sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
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}
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ret = TRUE;
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goto end;
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err:
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RegCloseKey(hkeyApp);
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FreeAppInfo(iter);
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end:
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RegCloseKey(hkeyUninst);
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return ret;
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}
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/******************************************************************************
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* Name : EmptyList
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* Description: Frees memory used by the application linked list.
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*/
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static inline void EmptyList(void)
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{
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FreeAppInfo(AppInfo);
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AppInfo = NULL;
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}
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/******************************************************************************
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* Name : UpdateButtons
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* Description: Enables/disables the Add/Remove button depending on current
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@ -175,11 +410,18 @@ static HIMAGELIST ResetApplicationList(BOOL bFirstRun, HWND hWnd, HIMAGELIST hIm
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else /* we need to remove the existing things first */
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{
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ImageList_Destroy(hImageList);
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/* reset the list, since it's probably changed if the uninstallation was
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successful */
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EmptyList();
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}
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/* now create the image list and add the applications to the listview */
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hImageList = AddListViewImageList(hWndListView);
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ReadApplicationsFromRegistry(HKEY_LOCAL_MACHINE);
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ReadApplicationsFromRegistry(HKEY_CURRENT_USER);
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UpdateButtons(hWnd);
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return(hImageList);
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@ -211,6 +453,8 @@ static BOOL CALLBACK MainDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPar
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case WM_DESTROY:
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ImageList_Destroy(hImageList);
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EmptyList();
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return 0;
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}
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