c-net-registry-based-configuration-base-class-4

RegistryConfig.cs

protected T GetValue<T>(string key, T defaultValue)
{
    try
    {
        using (var rk = GetRegistryKey())
        {
            using (var sk = rk.OpenSubKey(RootKey))
            {
                object o = null;
                if (sk == null || (o = sk.GetValue(key, null)) == null)
                    SetValue(key, (o = defaultValue));
                return (T)o;
            }
        }
    }
    catch (Exception ex)
    {
        Trace.TraceError("Failed to get value for {0}: {1}", key, ex);
        throw;
    }
}

protected void SetValue<T>(string key, T value)
{
    try
    {
        using (var rk = GetRegistryKey())
        {
            using (var sk = rk.CreateSubKey(RootKey))
            {
                sk.SetValue(key, value);
            }
        }
    }
    catch (Exception ex)
    {
        Trace.TraceError("Failed to set value for {0}: {1}", key, ex);
        throw;
    }
}