title: Wpf change property action from xaml
body: <p>Is it possible to change state from xaml? For example when first button firing 
  assigh "State" some value string or bool. What need to write in   . What should be in target name?</p>
  
  <pre><code>    &lt;Grid&gt;
      &lt;Button Content="Button" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Width="75"&gt;
          &lt;i:Interaction.Triggers&gt;
              &lt;i:EventTrigger EventName="Click"&gt;
                  &lt;ei:ChangePropertyAction TargetName="State"  Value="False"/&gt;
              &lt;/i:EventTrigger&gt;
          &lt;/i:Interaction.Triggers&gt;
      &lt;/Button&gt;
      &lt;Button Content="Button" HorizontalAlignment="Left" Margin="94,10,0,0" VerticalAlignment="Top" Width="75"/&gt;
  &lt;/Grid&gt;
  </code></pre>
  
  <p>Code:</p>
  
  <pre><code>namespace WpfApplication114
  {
  /// &lt;summary&gt;
  /// Interaction logic for MainWindow.xaml
  /// &lt;/summary&gt;
  public partial class MainWindow : Window
  {
      public MainWindow()
      {
          InitializeComponent();
          DataContext = new Data();
      }
  }
  public class Data
  {
      private string state;
      public string State 
      {
          get { return this.state; }
          set { this.state = value; }
      }
  }
  </code></pre>
  
  <p>}</p>