public static AdminContrato getInstance()
{
if (ventanaPrincipal2 == null)
{
ventanaPrincipal2 = new AdminContrato();
}
return(ventanaPrincipal2);
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
ventanaPrincipal2 = null;
}
private void Tile_Click_3(object sender, RoutedEventArgs e)
{
AdminContrato.getInstance().Show();
AdminContrato.getInstance().ContratoCollection = this._contratoCollection;
}