public void Unregister()
{
var capabilitiesPath = RegistryHelper.GetValueLocal(@"Software\RegisteredApplications", _associator.AppName, null);
if (capabilitiesPath != null)
{
var fileAssocPath = String.Format(@"{0}\FileAssociations", capabilitiesPath);
string[] extensions;
RegistryKey key = null;
try
{
key = Registry.LocalMachine.OpenSubKey(fileAssocPath);
if (key != null)
{
extensions = key.GetValueNames();
}
else
{
throw new Exception();
}
}
catch
{
return; // what else?
}
finally
{
if (key != null)
{
key.Close();
}
}
foreach (string ext in extensions)
{
if (ext != String.Empty) // check for an accident default value (which should never be the case but still)
{
if (_associator.CanAssociate)
{
_associator.UnAssociate(ext);
}
var docType = RegistryHelper.GetValueLocal(fileAssocPath, ext, null);
if (docType != null)
{
DeleteDocID(docType);
}
}
}
DeleteAppRegistration(capabilitiesPath);
}
}
