mdk-01.01-school/school/FolderClasses/pcClientService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace school
{
    public partial class ClientService
    {
        public string fullName
        {
            get
            {
                string full = Client.LastName + " " + Client.FirstName;
                full += (Client.Patronymic != null)? " " + Client.Patronymic : "" ;                
                return full;
            }
        }

        public string date
        {
            get => StartTime.ToString("dd MMMM yyyy");
        }

        public string time
        {
            get => StartTime.ToString("HH:mm");
        }

        public string otherTime
        {
            get
            {
                string line = "";
                int day = (int) (StartTime - DateTime.Now).TotalDays;
                int hours = (int)(StartTime - DateTime.Now).TotalHours - day * 24;
                int minuts = (int)(StartTime - DateTime.Now).TotalMinutes - day * 24 - hours * 60;

                line += (day > 0) ? (day + "д. ") : ("");
                line += (hours > 0) ? (hours + "ч. ") : ("");
                line += (minuts > 0) ? (minuts + "мин. ") : ("");
                return line;
            }
        }

        public SolidColorBrush colorRow
        {
            get
            {
                SolidColorBrush brush = new SolidColorBrush(Colors.White);
                int day = (int)(StartTime - DateTime.Now).TotalDays;
                int hours = (int)(StartTime - DateTime.Now).TotalHours - day * 24;
                int minuts = (int)(StartTime - DateTime.Now).TotalMinutes - day * 24 - hours * 60;
                if (day == 0 && hours == 0 && minuts < 60) brush = new SolidColorBrush(Colors.Red);

                return brush;
            }
        }
    }
}