WPF

<Window x:Class="MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2...l/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:WpfApplication1"
    Title="MainWindow" Height="350" Width="525" Background="#FF3A3A48">
    <Window.Resources>
        <local:RelativeToAbsolutePathConverter x:Key="relToAbsPathConverter" />
        <DataTemplate x:Key="ccTexte">
            <TextBlock Text="{Binding display_text}" HorizontalAlignment="Center" Foreground="Beige"/>
            <!--<TextBlock Text="{Binding Path=display_text}" HorizontalAlignment="Center" Foreground="Beige"/>-->
            <!--<TextBlock DataContext="{Binding DataContext,RelativeSource={RelativeSource AncestorType={x:Type ContentControl}}}" Text="{Binding Path=display_text}" HorizontalAlignment="Center" Foreground="Beige"/>-->
        </DataTemplate>
        <DataTemplate x:Key="ccImage">
            <Image x:Name="img" Source="{Binding display_image, Converter={StaticResource relToAbsPathConverter}}"/>
        </DataTemplate>
        <Style x:Name="ccStyle" TargetType="ContentControl">
            <Setter Property="ContentTemplate" Value="{StaticResource ccTexte}"/>
            <!--<Setter Property="ContentTemplate" Value="{StaticResource ccImage}"/>
            <Style.Triggers>
                <DataTrigger Binding="{Binding Source={StaticResource display_image}}" Value="{x:Null}">
                    <Setter Property="ContentTemplate" Value="{StaticResource ccTexte}"/>
                </DataTrigger>
            </Style.Triggers>-->
        </Style>        
    </Window.Resources>
    <Grid Name="mainGrid">
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="416,12,0,0" Name="Button1" VerticalAlignment="Top" Width="75" />
    </Grid>
</Window>

Imports System.IO
Class MainWindow
    Private Sub MainWindow_Loaded(sender As Object, e As System.Windows.RoutedEventArgs) Handles Me.Loaded
        mainGrid.Children.Add(designCC(300, 200, "01"))
 
        Dim cc As ContentControl = LogicalTreeHelper.FindLogicalNode(mainGrid, "CC_01")
        cc.Content = New person With {.display_image = "01.png", .display_text = "Text 01"}
    End Sub
 
    Private Sub Button1_Click(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles Button1.Click
        Dim cc As ContentControl = LogicalTreeHelper.FindLogicalNode(mainGrid, "CC_01")
        cc.Content = New person With {.display_image = "02.png", .display_text = "Text 02"}
    End Sub
 
    Private Function designCC(width As Integer, height As Integer, id As String) As ContentControl
        Dim cc As New ContentControl
        cc.Width = width
        cc.Height = height
        cc.Name = "CC_" & id
        cc.Style = DirectCast(Me.Resources("ccStyle"), Style)
        Return cc
    End Function
End Class
 
Public Class person
    Private _display_image As String
    Public Property display_image() As String
        Get
            Return _display_image
        End Get
        Set(value As String)
            _display_image = value
        End Set
    End Property
    Private _display_text As String
    Public Property display_text() As String
        Get
            Return _display_text
        End Get
        Set(value As String)
            _display_text = value
        End Set
    End Property
End Class
 
Public Class RelativeToAbsolutePathConverter
    Implements IValueConverter
    Public Function Convert(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.Convert
        Dim relative As [String] = TryCast(value, String)
        If relative Is Nothing Or relative = "" Then
            Return Nothing
        End If
        Return System.AppDomain.CurrentDomain.BaseDirectory & "Images\" & relative
    End Function
    Public Function ConvertBack(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.ConvertBack
        Throw New NotImplementedException()
    End Function
End Class

<ListBox Grid.Row="3" Grid.ColumnSpan="3" Margin="3" SelectionMode="Multiple"
                            ItemsSource="{Binding Children}" SelectedItem="{Binding SelectedChild}"          SelectionChanged="Children_SelectionChanged">

<Style TargetType="{x:Type local:ControlBasedOnUserControl}">
    <Setter Property="Width" Value="50" />
    <Setter Property="Height" Value="50" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type local:ControlBasedOnUserControl}">
                <Border>
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

<Style TargetType="{x:Type local:ControlBasedOnUserControl}">
    <Setter Property="Width" Value="50" />
    <Setter Property="Height" Value="50" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type local:ControlBasedOnUserControl}">
                <Border Width="{TemplateBinding Width}" Height="{TemplateBinding Height}">
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

<telerik:RadComboBox ItemsSource="{Binding CurrencyList}"
  DisplayMemberPath="Currency"
  SelectedValuePath="CurrencyID"
  SelectedValue="{Binding SelectedIssuance.IssuanceCurrencyID, Mode=TwoWay}"
  IsSynchronizedWithCurrentItem="True"
  SelectedItem="{Binding SelectedCurrency,Mode=OneWayToSource}" />

var openPicker = new FileOpenPicker();
          openPicker.FileTypeFilter.Add("*");

          var files = await openPicker.PickMultipleFilesAsync();

public static class closeWindow
{
    public static object WinObject;

    public static void CloseParent()
    {
        using ((System.IDisposable)closeWindow.WinObject)
        {
            ((Window)WinObject).Close();
        }
    }
}

public partial class SavedDrafts : Window
{
    public SavedDrafts()
    {
        InitializeComponent();

        LoadMe();

    }

    public void loadMe()
    {
        closeWindow.WinObject = this;
    }

}

// From me the child view, open a new window and close my parent Window.//


                Intake1 window = new Intake1();
                window.Show();

                closeWindow.CloseParent();

public delegate void OnMessageReceivedEventHandler(object sender, object message);

   public static class Message
   {
       static List<OnMessageReceivedEventHandler> listeners = new List<OnMessageReceivedEventHandler>();

       public static void AddListener(OnMessageReceivedEventHandler onMsgReceived)
       {
           listeners.Add(onMsgReceived);
       }

       public static void RemoveListener(OnMessageReceivedEventHandler onMsgReceived)
       {
           listeners.Remove(onMsgReceived);
       }

       public static void SendMessage(object sender, object msg)
       {
           foreach (OnMessageReceivedEventHandler m in listeners)
               if (m != null)
                   m(sender, msg);
       }
   }