Custom Toolbox Parts & Property Manager

I am creating a lot of custom toolbox parts. But the parts I add to the toolbox do not get the info from the PropertyManager. Everything works all settigns from the design table are in the model but somehow the PropertyManger is not included.

Is there some way to include the PropertyManager into the toolbox parts?

Also is there some way to add icons to you own toolbox folders like SKF has???

SolidworksToolbox