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using System.Windows.Navigation;
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using Prism.Commands;
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using Prism.Mvvm;
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using Prism.Navigation;
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using Prism.Unity;
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using Prism.Regions;
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using DataTransfer.Views;
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using System.Windows.Controls;
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using System.Windows;
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namespace DataTransfer.ViewModel
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{
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    public class SourceViewModel : BindableBase
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    {
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        private string _name;
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        public string Name
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        {
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            get { return _name; }
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            set { SetProperty(ref _name, value); }
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        }
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        private int _mobileNumber;
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        public int MobileNumber
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        {
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            get { return _mobileNumber; }
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            set { SetProperty(ref _mobileNumber, value); }
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        }
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        //public event EventHandler<PersonModel> DataTransferred;
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        public DelegateCommand SaveCommand { get; private set; }
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        public SourceViewModel()
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        {
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            SaveCommand = new DelegateCommand(Execute, CanExecute).ObservesProperty(() => Name).ObservesProperty(() => MobileNumber);
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        }
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        private bool CanExecute()
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        {
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            return !String.IsNullOrWhiteSpace(Name) && Name.Length > 3 && Name.Length < 40 && Math.Floor(Math.Log10(MobileNumber) + 1) == 10;
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        }
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        private void Execute()
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        {
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            ((MainWindow)Application.Current.MainWindow).Content = new TargetView(Name, MobileNumber);
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            //var targetViewModel = new TargetViewModel(Name, MobileNumber);
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        }
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    }
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}
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/*using System.Windows.Navigation;
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using Prism.Commands;
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using Prism.Mvvm;
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using Prism.Navigation;
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using Prism.Unity;
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using Prism.Regions;
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using DataTransfer.Views;
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using System.Windows.Controls;
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using System.Windows;
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using DataTransfer.Model;
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namespace DataTransfer.ViewModel
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{
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    public class SourceViewModel : BindableBase
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    {
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        public PersonModel _person;
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        public DelegateCommand SaveCommand { get; private set; }
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        public SourceViewModel()
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        {
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            if(SaveCommand != null)
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            {
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                SaveCommand = new DelegateCommand(Execute, CanExecute).ObservesProperty(() => _person.Name).ObservesProperty(() => _person.MobileNumber);
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            }
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        }
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        private bool CanExecute()
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        {
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            return !String.IsNullOrWhiteSpace(_person.Name) && !String.IsNullOrWhiteSpace(_person.MobileNumber);
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        }
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        private void Execute()
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        {
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            *//*((MainWindow)Application.Current.MainWindow).Content = new TargetView(_person.Name, _person.MobileNumber);
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            //var targetViewModel = new TargetViewModel(_person.Name, _person.MobileNumber);*//*
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            var mainWindow = Application.Current.MainWindow as MainWindow;
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            if (mainWindow != null && mainWindow.MainFrame != null)
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            {
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                mainWindow.MainFrame.Navigate(new TargetView(_person.Name, _person.MobileNumber));
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            }
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            else
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            {
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                Console.WriteLine("Error: MainWindow or MainFrame is null.");
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            }
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        }
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97
    }
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}*/

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using Prism.Events;
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using Prism.Mvvm;
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4
namespace DataTransfer.ViewModel
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{
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    public class TargetViewModel : BindableBase
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    {
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        private string _name;
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        public string Name
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        {
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            get { return _name; }
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            set { SetProperty(ref _name, value); }
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        }
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        private int _mobileNumber;
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        public int MobileNumber
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        {
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            get { return _mobileNumber; }
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            set { SetProperty(ref _mobileNumber, value); }
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        }
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        //public SourceViewModel sourceViewModel;
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        public TargetViewModel(string name, int mobileNumber)
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        {
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                Name = name;
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                MobileNumber = mobileNumber;
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        }
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    }
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}
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30
/*using DataTransfer.Model;
31
using Prism.Events;
32
using Prism.Mvvm;
33
 
34
namespace DataTransfer.ViewModel
35
{
36
    public class TargetViewModel : BindableBase
37
    {
38
        public PersonModel _person;
39
        public TargetViewModel(string name, string mobileNumber)
40
        {
41
            _person.Name = name;
42
            _person.MobileNumber = mobileNumber;
43
        }
44
    }
45
}*/

1
<Page x:Class="DataTransfer.Views.SourceView"
2
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
5
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
6
      xmlns:local="clr-namespace:DataTransfer.Views"
7
      mc:Ignorable="d" 
8
      d:DesignHeight="450" d:DesignWidth="800"
9
      Title="SourceView" Background="White">
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11
    <!--<Grid>
12
        <StackPanel>
13
            <TextBlock Text="Source View" FontWeight="Bold" FontSize="16" Margin="5"/>
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            <TextBox Text="{Binding Name, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Margin="5"/>
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            <TextBox Text="{Binding MobileNumber, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Margin="5"/>
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            <Button Content="Publish" Command="{Binding PublishCommand}" Margin="5"/>
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        </StackPanel>
18
    </Grid>-->
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20
    <Page.Resources>
21
        <Style TargetType="TextBlock" x:Key="txtCss">
22
            <Setter Property="FontSize" Value="20"/>
23
            <Setter Property="Margin" Value="0 10 0 10"/>
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        </Style>
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        <Style TargetType="TextBox" x:Key="txtBox">
26
            <Setter Property="Width" Value="140"/>
27
            <Setter Property="Height" Value="20"/>
28
        </Style>
29
    </Page.Resources>
30
 
31
    <Grid>
32
        <WrapPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
33
            <TextBlock Text="Name" Style="{StaticResource txtCss}"/>
34
            <TextBox Text="{Binding Name, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource txtBox}"/>
35
            <TextBlock Text="Mobile Number" Style="{StaticResource txtCss}"/>
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            <TextBox Text="{Binding MobileNumber, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource txtBox}"/>
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            <Button Content="Save" Command="{Binding SaveCommand}" Margin=" 0 10 0 0" Width="70" Height="25"/>
38
        </WrapPanel>
39
    </Grid>
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41
    <!--<Grid>
42
        <StackPanel Margin="20">
43
            <TextBlock Text="Name:"/>
44
            <TextBox Text="{Binding Name, UpdateSourceTrigger=PropertyChanged}"/>
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            <TextBlock Text="Mobile Number:"/>
46
            <TextBox Text="{Binding MobileNumber, UpdateSourceTrigger=PropertyChanged}"/>
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            <Button Content="Save" Command="{Binding SaveCommand}"/>
48
        </StackPanel>
49
    </Grid>-->
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</Page>

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<Page x:Class="DataTransfer.Views.TargetView"
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      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
5
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
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      xmlns:local="clr-namespace:DataTransfer.Views"
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      mc:Ignorable="d" 
8
      d:DesignHeight="450" d:DesignWidth="800"
9
      Title="TargetView" Background="White">
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    <!--<Grid>
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        <StackPanel>
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            <TextBlock Text="Target View" FontWeight="Bold" FontSize="16" Margin="5"/>
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            <TextBlock Text="{Binding Name}" Margin="5"/>
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            <TextBlock Text="{Binding MobileNumber}" Margin="5"/>
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        </StackPanel>
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    </Grid>-->
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    <Page.Resources>
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        <Style TargetType="TextBlock" x:Key="txtCss">
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            <Setter Property="FontSize" Value="20"/>
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            <Setter Property="Margin" Value="0 10 0 10"/>
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        </Style>
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        <Style TargetType="Label" x:Key="label">
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            <Setter Property="FontSize" Value="20"/>
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        </Style>
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    </Page.Resources>
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    <Grid>
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        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
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            <Label Content="Name" Style="{StaticResource label}"/>
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            <TextBlock Text="{Binding Name, Mode=OneWay}" Style="{StaticResource txtCss}"/>
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            <Label Content="Mobile Number" Style="{StaticResource label}"/>
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            <TextBlock Text="{Binding MobileNumber, Mode=OneWay}" Style="{StaticResource txtCss}"/>
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        </StackPanel>
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    </Grid>
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</Page>

1
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
15
using DataTransfer.ViewModel;
16
 
17
namespace DataTransfer.Views
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{
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    /// <summary>
20
    /// Interaction logic for TargetView.xaml
21
    /// </summary>
22
    public partial class TargetView : Page
23
    {
24
        public TargetView(string name, int mobileNumber)
25
        {
26
            InitializeComponent();
27
            //DataContext = new TargetViewModel();
28
            DataContext = new TargetViewModel(name, mobileNumber);
29
        }
30
    }
31
}