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chore: fix style issue (out var x)

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This commit is contained in:
Notselwyn 2023-07-18 14:21:49 +02:00
parent a21c9007ab
commit bc30e56e38
2 changed files with 15 additions and 31 deletions
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12
SafeExamBrowser.SystemComponents/Registry/Registry.cs
View file

@ -93,8 +93,7 @@ namespace SafeExamBrowser.SystemComponents.Registry
{
names = default;
RegistryKey keyObj;
if (!TryOpenKey(key, out keyObj))
if (!TryOpenKey(key, out var keyObj))
return false;
bool success = true;
@ -119,9 +118,8 @@ namespace SafeExamBrowser.SystemComponents.Registry
public bool TryGetSubKeys(string key, out IEnumerable<string> subKeys)
{
subKeys = default;
RegistryKey keyObj;
if (!TryOpenKey(key, out keyObj))
if (!TryOpenKey(key, out var keyObj))
return false;
bool success = true;
@ -240,11 +238,9 @@ namespace SafeExamBrowser.SystemComponents.Registry
{
keyObj = default;
string subHiveKey;
try
{
RegistryKey hiveObj;
if (!GetBaseKeyFromKeyName(key, out hiveObj, out subHiveKey))
if (!GetBaseKeyFromKeyName(key, out var hiveObj, out var subHiveKey))
return false;
keyObj = hiveObj.OpenSubKey(subHiveKey);

34
SafeExamBrowser.SystemComponents/VirtualMachineDetector.cs
View file

@ -128,9 +128,8 @@ namespace SafeExamBrowser.SystemComponents
* - {computerId=uuid}: {computerSummary=hardwareInfo}
*
*/
IEnumerable<string> hardwareConfigSubkeys;
const string hwConfigParentKey = "HKEY_LOCAL_MACHINE\\SYSTEM\\HardwareConfig";
if (!registry.TryGetSubKeys(hwConfigParentKey, out hardwareConfigSubkeys))
if (!registry.TryGetSubKeys(hwConfigParentKey, out var hardwareConfigSubkeys))
return false;
foreach (string configId in hardwareConfigSubkeys)
@ -138,16 +137,11 @@ namespace SafeExamBrowser.SystemComponents
var hwConfigKey = $"{hwConfigParentKey}\\{configId}";
// collect system values for IsVirtualSystemInfo()
object biosVendor;
object biosVersion;
object systemManufacturer;
object systemProductName;
bool success = true;
success &= registry.TryRead(hwConfigKey, "BIOSVendor", out biosVendor);
success &= registry.TryRead(hwConfigKey, "BIOSVersion", out biosVersion);
success &= registry.TryRead(hwConfigKey, "SystemManufacturer", out systemManufacturer);
success &= registry.TryRead(hwConfigKey, "SystemProductName", out systemProductName);
success &= registry.TryRead(hwConfigKey, "BIOSVendor", out var biosVendor);
success &= registry.TryRead(hwConfigKey, "BIOSVersion", out var biosVersion);
success &= registry.TryRead(hwConfigKey, "SystemManufacturer", out var systemManufacturer);
success &= registry.TryRead(hwConfigKey, "SystemProductName", out var systemProductName);
if (!success)
continue;
@ -158,16 +152,14 @@ namespace SafeExamBrowser.SystemComponents
isVirtualMachine |= IsVirtualSystemInfo(biosInfo, (string) systemManufacturer, (string) systemProductName);
// check even more hardware information
IEnumerable<string> computerIdNames;
var computerIdsKey = $"{hwConfigKey}\\ComputerIds";
if (!registry.TryGetNames(computerIdsKey, out computerIdNames))
if (!registry.TryGetNames(computerIdsKey, out var computerIdNames))
continue;
foreach (var computerIdName in computerIdNames)
{
// collect computer hardware summary (e.g. manufacturer&version&sku&...)
object computerSummary;
if (!registry.TryRead(computerIdsKey, computerIdName, out computerSummary))
if (!registry.TryRead(computerIdsKey, computerIdName, out var computerSummary))
continue;
isVirtualMachine |= IsVirtualSystemInfo((string) computerSummary, (string) systemManufacturer, (string) systemProductName);
@ -190,26 +182,22 @@ namespace SafeExamBrowser.SystemComponents
// check Windows timeline caches for current hardware config
const string deviceCacheParentKey = "HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\TaskFlow\\DeviceCache";
IEnumerable<string> deviceCacheKeys;
bool has_dc_keys = registry.TryGetSubKeys(deviceCacheParentKey, out deviceCacheKeys);
bool has_dc_keys = registry.TryGetSubKeys(deviceCacheParentKey, out var deviceCacheKeys);
if (deviceName != null && has_dc_keys)
{
foreach (string cacheId in deviceCacheKeys)
{
var cacheIdKey = $"{deviceCacheParentKey}\\{cacheId}";
object cacheDeviceName;
object cacheDeviceManufacturer;
object cacheDeviceModel;
bool success = true;
success &= registry.TryRead(cacheIdKey, "DeviceName", out cacheDeviceName);
success &= registry.TryRead(cacheIdKey, "DeviceName", out var cacheDeviceName);
if (!success || deviceName.ToLower() != ((string) cacheDeviceName).ToLower())
continue;
success &= registry.TryRead(cacheIdKey, "DeviceMake", out cacheDeviceManufacturer);
success &= registry.TryRead(cacheIdKey, "DeviceModel", out cacheDeviceModel);
success &= registry.TryRead(cacheIdKey, "DeviceMake", out var cacheDeviceManufacturer);
success &= registry.TryRead(cacheIdKey, "DeviceModel", out var cacheDeviceModel);
if (!success)
continue;