/// <summary>
/// Gets an instance of the WritableSettingsStore class,
/// which will be setup to have the necessary collection have created.
/// </summary>
/// <returns>An WritableSettingsStore instance</returns>
private static WritableSettingsStore GetWritableSettingsStore()
{
ThreadHelper.ThrowIfNotOnUIThread();
SettingsManager settingsManager = new ShellSettingsManager(ServiceProvider.GlobalProvider);
WritableSettingsStore settingsStore = settingsManager.GetWritableSettingsStore(SettingsScope.UserSettings);
settingsStore.SetupIndentRainbowCollection();
return(settingsStore);
}