// Private methods.
/// <summary>
/// Tries to pause the execution of PlanetLab commands.
/// </summary>
/// <param name="state">The manager state.</param>
/// <param name="action">The action to take after the execution was paused.</param>
private void TryPause(PlManagerState state, Action action)
{
// Pause the execution through the manager state.
state.Pause();
// Execute the action.
action();
}
