<Window x:Class="Practice5WPF_JS.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:Practice5WPF_JS" Title="Window1" Height="421" Width="488" DataContext="{Binding RelativeSource={RelativeSource Self}}">
    
    <Grid>
        <Image Source="{Binding ImageName}" Margin="0,83,0,0" Stretch="Fill"/>
        <Button Height="33" HorizontalAlignment="Right" Margin="0,23,8,0" Name="button1" VerticalAlignment="Top" Width="68" Click="button1_Click">Browse</Button>
        <TextBox Height="34" Margin="12,23,83,0" Text="{Binding ImageName}" VerticalAlignment="Top" />
    </Grid>
</Window>

    public partial class Window1 : Window, INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        public Window1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();

            // Set filter for file extension and default file extension 
            dlg.DefaultExt = ".jpg";
            dlg.Filter = "Images (.jpg)|*.jpg";

            if (dlg.ShowDialog() == true)
                ImageName = dlg.FileName;
        }

        public string ImageName
        {
            set
            {
                if (value != imageName)
                {
                    imageName = value;
                    OnPropertyChanged(MethodBase.GetCurrentMethod().Name.Remove(0, 4));
                }
            }
            get
            {
                return imageName;
            }
        }

        protected virtual void OnPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }

        string imageName = "";
    }

    <Grid>
        <Image Source="{Binding ElementName=FileNameTextBox, Path=Text}" Margin="0,83,0,0" Stretch="Fill"/>
        <Button Height="33" HorizontalAlignment="Right" Margin="0,23,8,0" Name="button1" VerticalAlignment="Top" Width="68" Click="button1_Click">Browse</Button>
        <TextBox Height="34" Margin="12,23,83,0" Name="FileNameTextBox" VerticalAlignment="Top" />
    </Grid>

[SecurityCritical, SecurityTreatAsSafe]
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
    if (value == null)
    {
        throw base.GetConvertFromException(value);
    }
    if (((value is string) && !string.IsNullOrEmpty((string) value)) || (value is Uri))
    {
        UriHolder uriFromUriContext = TypeConverterHelper.GetUriFromUriContext(context, value);
        return BitmapFrame.CreateFromUriOrStream(uriFromUriContext.BaseUri, uriFromUriContext.OriginalUri, null, BitmapCreateOptions.None, BitmapCacheOption.Default, null);
    }
    if (value is byte[])
    {
        byte[] rawData = (byte[]) value;
        if (rawData != null)
        {
            Stream bitmapStream = null;
            bitmapStream = this.GetBitmapStream(rawData);
            if (bitmapStream == null)
            {
                bitmapStream = new MemoryStream(rawData);
            }
            return BitmapFrame.Create(bitmapStream, BitmapCreateOptions.None, BitmapCacheOption.Default);
        }
    }
    else if (value is Stream)
    {
        Stream stream2 = (Stream) value;
        return BitmapFrame.Create(stream2, BitmapCreateOptions.None, BitmapCacheOption.Default);
    }
    return base.ConvertFrom(context, culture, value);
}