aistudio-wpf-diagram/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModelHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AIStudio.Wpf.DiagramDesigner
{
    public class DiagramViewModelHelper
    {
        public static DesignerItemViewModelBase GetConnectorDataItem(IEnumerable<SelectableDesignerItemViewModelBase> items, Guid conectorDataItemId, Type connectorDataItemType)
        {
            DesignerItemViewModelBase dataItem = items.OfType<DesignerItemViewModelBase>().Single(x => x.Id == conectorDataItemId);
            return dataItem;
        }
    }
}