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copied!<p>One way I can approach your question is: Using EvenHandler in Usercontrol and subscribing to it in mainView. On each say button click in Usercontrol raise the event. </p> <p>I just created a sample:</p> <p>we have textbox and button in Usercontrol</p> <p>this is code-behind;</p> <pre><code> public partial class UserControl1 : UserControl { public event EventHandler<EventArgs> CreateNewUserControl = null; public static int InstanceCount = 0; public UserControl1() { InitializeComponent(); Loaded += new RoutedEventHandler(UserControl1_Loaded); } void UserControl1_Loaded(object sender, RoutedEventArgs e) { InstanceCount++; txtControl.Text = "Control - " + InstanceCount; } private void Button_Click(object sender, RoutedEventArgs e) { var handler = CreateNewUserControl; if (handler != null) handler.Invoke(sender,e); } } </code></pre> <p>In MainView:</p> <p>Xaml:</p> <pre><code> <StackPanel x:Name="UserControlTest" Orientation="Vertical" VerticalAlignment="Top" HorizontalAlignment="Right" Grid.Column="1" Grid.RowSpan="2" ScrollViewer.VerticalScrollBarVisibility="Auto" MaxHeight="800" Margin="30"> <RadChartProject:UserControl1 x:Name="UserControl1"/> </StackPanel> </code></pre> <p>xaml.cs:</p> <pre><code> public MainPage() { InitializeComponent(); UserControl1.CreateNewUserControl += UserControl1_CreateNewUserControl; } void UserControl1_CreateNewUserControl(object sender, EventArgs e) { if(UserControlTest != null) { var control = new UserControl1(); control.CreateNewUserControl += UserControl1_CreateNewUserControl; UserControlTest.Children.Add(control); } } </code></pre>

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