public string AllocateVirtualDeviceInstanceID(string deviceClassName)
{
// we will return the larger deviceInstanceID, we don't want to overwrite existing hivesys.inf device instances
var deviceInstanceID1 = SetupRegistryHive.AllocateVirtualDeviceInstanceID(deviceClassName);
var deviceInstanceID2 = HiveSystemInf.AllocateVirtualDeviceInstanceID(deviceClassName);
// string comparison, note that both strings has fixed length with leading zeros
return(string.CompareOrdinal(deviceInstanceID1, deviceInstanceID2) == 1
? deviceInstanceID1
: deviceInstanceID2);
}
public void SaveRegistryChanges()
{
SetupRegistryHive.UnloadHive(true);
if (IsTargetContainsTemporaryInstallation)
{
FileSystemUtils.ClearReadOnlyAttribute(BootDirectory + SetupRegistryHiveFile.FileName);
try
{
ProgramUtils.CopyCriticalFile(SetupDirectory + SetupRegistryHiveFile.FileName,
BootDirectory + SetupRegistryHiveFile.FileName);
}
catch
{
Console.WriteLine("Error: failed to copy '{0}' to '{1}' (setup boot folder)", SetupRegistryHiveFile.FileName,
BootDirectory);
Program.Exit();
}
}
}