Imports System.Windows.Media.Animation Public Class VentanaErr Friend propietario As ContenedorAplicacion Public Sub MostrarVentana() RellenaDatos() Dim st As Storyboard = DirectCast(FindResource("Mostrar"), Storyboard) st.Begin(Me) End Sub Public Sub OcultarVentana() Dim st As Storyboard = DirectCast(FindResource("Ocultar"), Storyboard) st.Begin(Me) End Sub Sub MostrarYOcultarVentana() RellenaDatos() Dim st As Storyboard = DirectCast(FindResource("MostrarYOcultar"), Storyboard) st.Begin(Me) End Sub Private Sub RellenaDatos() Dim ecvs As New CollectionViewSource Dim le = (From er In propietario._Aplicacion.ErroresValidacion.Errores Select er.ErrorContent).ToList Me.DataContext = le Dim w = Window.GetWindow(propietario) Me.Left = w.ActualWidth - Me.ActualWidth + w.Left - 30 Me.Top = w.ActualHeight - Me.ActualHeight + w.Top - 70 End Sub End Class