static ComponentQueryDeclarationModel CreateComponentGroup(this VSGraphModel graphModel, string queryName, IEnumerable <TypeHandle> componentTypes)
{
Stencil stencil = graphModel.Stencil;
string uniqueName = graphModel.GetUniqueName(queryName);
ComponentQueryDeclarationModel field = graphModel.CreateComponentQuery(uniqueName);
if (field != null)
{
foreach (TypeHandle typeHandle in componentTypes)
{
field.AddComponent(stencil, typeHandle, ComponentDefinitionFlags.None);
}
if (componentTypes.Any())
{
field.ExpandOnCreateUI = true;
}
}
return(field);
}