Created
August 24, 2024 12:40
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Update some (here photos) app's registry from outside the app itself.
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| #include <windows.h> | |
| #include <userenv.h> | |
| #include <atlbase.h> | |
| #include <stdio.h> | |
| #include <shlobj.h> | |
| #include <string> | |
| #pragma comment(lib, "userenv") | |
| int main() | |
| { | |
| PWSTR localAppDataPath; | |
| auto hr = SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, nullptr, &localAppDataPath); | |
| if (SUCCEEDED(hr)) | |
| { | |
| std::wstring settingsPath = localAppDataPath; | |
| CoTaskMemFree(localAppDataPath); | |
| settingsPath += L"\\Packages\\Microsoft.Windows.Photos_8wekyb3d8bbwe\\Settings\\settings.dat"; | |
| wprintf(L"path:%s\n", settingsPath.c_str()); | |
| HKEY key; | |
| auto err = RegLoadAppKey(settingsPath.c_str(), &key, KEY_ALL_ACCESS, 0, 0); | |
| if (err == ERROR_SUCCESS) | |
| { | |
| DWORD index = 0; | |
| do | |
| { | |
| wchar_t name[256]; | |
| if (RegEnumKey(key, index, name, 256) != ERROR_SUCCESS) | |
| break; | |
| wprintf(L"key:%s\n", name); | |
| index++; | |
| } while (true); | |
| HKEY state; | |
| if (RegOpenKey(key, L"LocalState", &state) == ERROR_SUCCESS) | |
| { | |
| DWORD index = 0; | |
| do | |
| { | |
| wchar_t name[256]; | |
| DWORD size = 256; | |
| DWORD type = 0; | |
| if (RegEnumValue(state, index, name, &size, nullptr, &type, nullptr, nullptr) != ERROR_SUCCESS) | |
| break; | |
| wprintf(L"value:%s type:0x%08X\n", name, type); | |
| index++; | |
| } while (true); | |
| const DWORD REG_APPX_SETTINGS_BOOL = 0x5F5E10C; // this is the special registry type for boolean | |
| wchar_t boolText[] = L"true"; | |
| DWORD size = sizeof(boolText) + sizeof(FILETIME); // AppX settings.dat values are values + timestamp | |
| auto bytes = new BYTE[size]; | |
| CopyMemory(bytes, boolText, sizeof(boolText)); // includes terminating zero | |
| GetSystemTimeAsFileTime((LPFILETIME)(bytes + sizeof(boolText))); | |
| err = RegSetValueEx(state, L"HeicCodecMissingTeachingTipStatus", 0, REG_APPX_SETTINGS_BOOL, bytes, size); | |
| RegCloseKey(state); | |
| } | |
| RegCloseKey(key); | |
| } | |
| } | |
| return 0; | |
| } |
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