/// <summary>
/// Returns the <see cref="CleanUpInsurance"/> matching the identifier specified.
/// If no match is found, null is returned.
/// </summary>
/// <exception cref="ArgumentException"></exception>
/// <param name="trackingFilesFolder"></param>
/// <param name="trackingRegistryKey"></param>
/// <param name="insuranceId"></param>
/// <returns></returns>
public static CleanUpInsurance LoadFromSystem(string trackingFilesFolder, string trackingRegistryKey, Guid insuranceId)
{
if (insuranceId == Guid.Empty)
{
throw new ArgumentException("The specified insurance identifier is not a valid GUID", "insuranceId");
}
InsuranceFile insuranceFile = null;
InsuranceRegistryKey insuranceRegKey = null;
// Load from file
if (trackingFilesFolder != null && File.Exists(Path.Combine(trackingFilesFolder, insuranceId.ToString())))
{
InsuranceFile.TryRead(Path.Combine(trackingFilesFolder, insuranceId.ToString()), out insuranceFile);
}
// Load from registry
if (trackingRegistryKey != null)
{
using (var regKey = Registry.CurrentUser.OpenSubKey(trackingRegistryKey + insuranceId, false))
if (regKey != null) // Verify existence of the key
{
InsuranceRegistryKey.TryRead(regKey, out insuranceRegKey);
}
}
// Possible to check for a running process?
// Return null if no CleanUpInsurance can be built from the retrieved data
if (insuranceFile == null && insuranceRegKey == null)
{
return(null);
}
return(new CleanUpInsurance(insuranceFile, insuranceRegKey, null));
}
/// <summary>
/// Returns a list of <see cref="InsuranceRegistryKey"/>s which are read from the registrykey with the specified name.
/// </summary>
/// <param name="regKeyName">The name of a subkey of the CurrentUser rootkey.</param>
/// <returns></returns>
private static List <InsuranceRegistryKey> GetRegistryInsurances(string regKeyName)
{
using (var regKey = Registry.CurrentUser.OpenSubKey(regKeyName))
{
if (regKey == null)
{
return(new List <InsuranceRegistryKey>(0));
}
var items = new List <InsuranceRegistryKey>();
var subKeys = regKey.GetSubKeyNames();
foreach (var subKeyName in subKeys)
{
using (var subKey = regKey.OpenSubKey(subKeyName))
{
InsuranceRegistryKey item;
if (InsuranceRegistryKey.TryRead(subKey, out item))
{
items.Add(item);
}
}
}
return(items);
}
}