private void ReloadExistingHandlers()
{
IEnumerable <HandlerDescription> actionHandlers = null;
IEnumerable <HandlerDescription> validationHandlers = null;
IEnumerable <string> validationRuleWarningHandlers = null;
IEnumerable <string> validationRuleErrorHandlers = null;
IEnumerable <string> states = null;
actionHandlers = ViewModelExtension.BuildActionHandlerDescriptions(Version(), ConfigId(), DocumentId());
validationHandlers = ViewModelExtension.BuildValidationHandlerDescriptions(Version(), ConfigId(), DocumentId());
validationRuleWarningHandlers = ViewModelExtension.BuildValidationRuleWarningDescriptions(Version(), ConfigId(), DocumentId());
validationRuleErrorHandlers = ViewModelExtension.BuildValidationRuleErrorDescriptions(Version(), ConfigId(), DocumentId());
_selectedTemplate.ActionHandlers = actionHandlers;
_selectedTemplate.ValidationErrors = validationRuleErrorHandlers;
_selectedTemplate.ValidationWarnings = validationRuleWarningHandlers;
_selectedTemplate.ValidationHandlers = validationHandlers;
_selectedTemplate.DocumentStates = states;
}