VC

BuyPage.xaml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentView xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="MyDiplom.BuyPage">
+    <VerticalStackLayout>
+        <Label 
+            Text="Welcome to .NET MAUI!"
+            VerticalOptions="Center" 
+            HorizontalOptions="Center" />
+    </VerticalStackLayout>
+</ContentView>

BuyPage.xaml.cs

@@ -0,0 +1,9 @@
+namespace MyDiplom;
+
+public partial class BuyPage : ContentView
+{
+	public BuyPage()
+	{
+		InitializeComponent();
+	}
+}

MainPage.xaml

@@ -16,27 +16,44 @@
         </Grid.ColumnDefinitions>
        
         <StackLayout Grid.ColumnSpan="2"  Orientation="Horizontal" Padding="10"
-            Background="black"  HeightRequest="80" 
+                     Background="black"  
-                           
+                     HeightRequest="80"                           
                      HorizontalOptions="Fill" >
+
+           
                 <Label Text="TgBots" TextColor="White" FontSize="40"  
         VerticalOptions="Center" 
         HorizontalOptions="StartAndExpand"/>
 
-            <Button Text="Регистироваться/Вход" 
+            <StackLayout HorizontalOptions="End" Orientation="Horizontal" Padding="0,0,10,0" Spacing="20">
+                <Label Text="{Binding User.Balance, StringFormat='Ваш Баланс {0} Р'}"  TextColor="White"  VerticalOptions="Center" />
+
+
+                <Button Text="Пополнить"
+         Background="White"
+         TextColor="Black"
+          HorizontalOptions="EndAndExpand"
+         WidthRequest="110"
+         HeightRequest="20"/>
+
+                <Label Text="{Binding User.DisplayName}" TextColor="White" />
+
+                <Button Text="Профиль" 
          TextColor="White"
          BackgroundColor="Transparent" 
          HorizontalOptions="EndAndExpand"/>
 
             </StackLayout>
            
+        </StackLayout>
+       
         <StackLayout  Grid.Row="1" Grid.RowSpan="4"   WidthRequest="250" Spacing="5" Padding="0,5,0,0">
 
             <Border Stroke="Gray">
                 <Border.StrokeShape>
                     <RoundRectangle CornerRadius="25"/>
                 </Border.StrokeShape>
-                <StackLayout Background="LightGray" Spacing="2">
+                <StackLayout Background="#F3F3F3" Spacing="2">
         
             <Button Text="Главная" TextColor="Black"
                                     BackgroundColor="Transparent"/>
@@ -61,7 +78,7 @@
                         <RoundRectangle CornerRadius="25"/>
                     </Border.StrokeShape>
 
-                    <StackLayout Background="AliceBlue" 
+                    <StackLayout Background="#F3F3F3" 
          Spacing="2" >
                         <Label Text="Боты" HorizontalOptions="Center" Scale="2"/>
                         <Button Text="1"  TextColor="Black" Background="Transparent"/>
@@ -99,14 +116,14 @@
                         <RoundRectangle CornerRadius="25"/>
                     </Border.StrokeShape>
 
-                    <VerticalStackLayout Background="Aqua"  HeightRequest="235"  >
+                    <VerticalStackLayout Background="#F3F3F3"  HeightRequest="235"  >
 
                         <StackLayout>
                             <Label Text="Выберите фриланс биржу, с которой хотите работать:" FontSize="45" Padding="1" />
                         </StackLayout>
                         <StackLayout VerticalOptions="Center" >
                             <StackLayout Padding="10,0,0,0" Orientation="Horizontal" Spacing="10" >
-                                <Button Text="Выделить всё" WidthRequest="130" TextColor="Black" Background="LightGray"  />
+                                <Button Text="Выделить всё" WidthRequest="130" TextColor="Black" Background="LightSlateGray"  />
 
                                 <Button Text="Очистить" WidthRequest="130"  TextColor="Black" Background="LightPink" />
 
@@ -146,7 +163,7 @@
                         <Border.StrokeShape>
                             <RoundRectangle CornerRadius="25"/>
                         </Border.StrokeShape>
-                        <Grid>
+                        <Grid Background="#F3F3F3">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="Auto"/>
@@ -159,7 +176,7 @@
                             <VerticalStackLayout  Grid.ColumnSpan="2" Margin="10" >
                                 <Label Text="Выберите подходящую категорию:" FontSize="18" />
                                 <StackLayout  Orientation="Horizontal" Spacing="10" >
-                                    <Button Text="Выделить всё" WidthRequest="130" TextColor="Black" Background="LightGray"  />
+                                    <Button Text="Выделить всё" WidthRequest="130" TextColor="Black" Background="LightSlateGray"  />
                                     <Button Text="Очистить" WidthRequest="130"  TextColor="Black" Background="LightPink" />
                                 </StackLayout>
                             </VerticalStackLayout>
@@ -289,9 +306,5 @@
 
             </VerticalStackLayout>
         </ScrollView>
-
-        <StackLayout Grid.Row="3" Background="Black" Grid.ColumnSpan="2">
-            
-        </StackLayout>
     </Grid>
 </ContentPage>

MainPage.xaml.cs

@@ -1,4 +1,6 @@
-namespace MyDiplom
+using MyDiplom.ViewModels;
+
+namespace MyDiplom
 {
 	public partial class MainPage : ContentPage
 	{
@@ -7,6 +9,8 @@
 		public MainPage()
 		{
 			InitializeComponent();
+
+			this.BindingContext = new UserViewModels();
 		}
 
 		

Models/Users.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MyDiplom.Models
+{
+    public class ApplicationUser
+    {
+        public string? DisplayName { get; set; }
+        public decimal Balance { get; set; } = 0;
+        public string? InvitedUserId { get; set; }
+    }
+}

MyDiplom.csproj

@@ -63,4 +63,10 @@
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <MauiXaml Update="BuyPage.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
+	</ItemGroup>
+
 </Project>

MyDiplom.csproj.user

@@ -6,6 +6,11 @@
     <ActiveDebugProfile>Windows Machine</ActiveDebugProfile>
   </PropertyGroup>
   <ItemGroup>
+    <MauiXaml Update="BuyPage.xaml">
+      <SubType>Designer</SubType>
+    </MauiXaml>
+  </ItemGroup>
+  <ItemGroup>
     <None Update="App.xaml">
       <SubType>Designer</SubType>
     </None>

ViewModels/BaseViewModels.cs

@@ -0,0 +1,41 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace MyDiplom.ViewModels
+{
+    public class BaseViewModel : INotifyPropertyChanged
+    {
+        bool isBusy = false;
+        public bool IsBusy
+        {
+            get { return isBusy; }
+            set { SetProperty(ref isBusy, value); }
+        }
+
+        protected bool SetProperty<T>(ref T backingStore, T value,
+            [CallerMemberName] string propertyName = "",
+            Action onChanged = null)
+        {
+            if (EqualityComparer<T>.Default.Equals(backingStore, value))
+                return false;
+
+            backingStore = value;
+            onChanged?.Invoke();
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+
+        #region INotifyPropertyChanged
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected void OnPropertyChanged([CallerMemberName] string propertyName = "")
+        {
+            var changed = PropertyChanged;
+            if (changed == null)
+                return;
+
+            changed.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+        #endregion
+    }
+
+}

ViewModels/UserViewModels.cs

@@ -0,0 +1,19 @@
+using MyDiplom.Models;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MyDiplom.ViewModels
+{
+    public class UserViewModels:BaseViewModel
+    {
+        public ApplicationUser User { get; set; } = new ApplicationUser();
+        public UserViewModels()
+        {
+            User = new ApplicationUser { DisplayName = "Вася", Balance = 10.0m };
+        }
+    }
+}