AvaloniaTaskFive/Auth/ViewModels/MainWindowViewModel.cs

using Auth.Models;
using Avalonia.Media;
using Avalonia.Styling;
using ReactiveUI;
using System;
using System.Drawing;
using System.Security.Cryptography.X509Certificates;
using Avalonia.Controls;
using Avalonia.Controls.Shapes;
using System.Linq;
using Avalonia.Threading;
using System.Runtime.CompilerServices;
using Tmds.DBus.Protocol;
using MsBox.Avalonia;
using MsBox.Avalonia.Enums;

namespace Auth.ViewModels
{

    public class MainWindowViewModel : ViewModelBase
    {
        public UserControl _us = new Auth();

        public UserControl Us
        {
            get => _us;           
            set => this.RaiseAndSetIfChanged(ref _us, value);
        }
        
        AuthVM _Auth = new AuthVM();  
        public AuthVM Auth_VM
        {
            get => _Auth;
            set => _Auth = value;
        }

        CalcVM _Calc = new CalcVM();
        public CalcVM Calc_VM
        {
            get => _Calc;
            set => _Calc = value;
        }

        public void Knopka()
        {
            data data = new data();
            if (Auth_VM._login == data.login && Auth_VM._password == data.password)
            {
                Us = new Calc();
            }
            else
            {
                Auth_VM.changeMessage();
                Auth_VM.VisibleText = true;
                Auth_VM.Visible = false;
                Auth_VM.CreateCaptcha();
            }
        }

        int count = 0;
        public void ButtonPro()
        {
            if (Auth_VM.prov == Auth_VM.kod && Auth_VM._login == data.login && Auth_VM._password == data.password)
            {
                Us = new Calc();
            }
            else
            {
                Auth_VM.timer.Interval = new TimeSpan(0, 0, 10);
                Auth_VM.timer.Tick += new EventHandler(Auth_VM.timer_tick);
                count++;
                Auth_VM.Login = "";
                Auth_VM.Password = "";
                Auth_VM.CreateCaptcha();
                if (count == 1)
                {
                    Auth_VM.changeMessage1();
                }    
                    if (count == 2)
                {
                    Auth_VM.timer.Start();
                    Auth_VM.Login = "";
                    Auth_VM.Password = "";
                    Auth_VM.changeMessage2();
                    count = 0;
                    Auth_VM.VisibleText = false;
                    Auth_VM.Visible = true;
                    Auth_VM.Enabled = false;
                }
            }
        }       
    }
}