private void BuildingComponentForm_Load(object sender, EventArgs e)
        {
            manager = new DBManager(this.RevitDocument);
            lblDO.Text = CurrentDesignOption.Name;
            txtDODescription.Text = CurrentDesignOption.Description;

            List<BuildingComponent> comps = manager.getDesignOptionComponents(CurrentDesignOption);

            foreach (BuildingComponent bComp in comps)
            {
                bComp.Assemblies = manager.getComponentAssemblies(bComp);
                lbExistingComps.Items.Add(bComp);
            }
        }