public static HashSet<Type> GetReferencedTypes(WorkflowDesigner workflowDesigner)
{
HashSet<Type> referencedTypes = new HashSet<Type>();
ModelService modelService = workflowDesigner.GetModelService();
//Get types used in the activities of the workflow
referencedTypes.UnionWith(modelService.Find(modelService.Root, typeof(object)).Select(item => item.GetCurrentValue().GetType()));
//Add types referenced in the root (e.g. parameters) to the collection
ActivityBuilder builder = modelService.Root.GetCurrentValue() as ActivityBuilder;
if (builder != null)
{
referencedTypes.UnionWith(builder.Properties.Select(property => property.Type));
}
//Add base types and types of the parameters of every type in the list
referencedTypes.UnionWith(GetBaseAndArgumentTypes(referencedTypes));
return referencedTypes;
}
/// <summary>
/// Get subordinate model items
/// </summary>
public static IEnumerable<ModelItem> GetSubModelItems(WorkflowDesigner wd)
{
Contract.Requires(wd != null);
return GetSubModelItems(wd.GetModelService(), null);
}