prs/prs.desktop/Utils/Gantt/GanttTask.cs

using System;
using Syncfusion.Windows.Controls.Gantt;

namespace PRSDesktop
{
    public class GanttTask : TaskDetails
    {
        public Guid ID { get; set; }
        public TimeSpan Manpower { get; set; }
        public double Percentage { get; set; }
    }

    public class GanttResource : Resource
    {
        public Guid Guid { get; set; }
    }
}