title: Mouse Event Didn't Work In RadToolbar
body: <p>I have a radtoolbar with two buttons inside, and one of buttons has Mouse Enter event which changes the background of button. but didn't work and the button will not change</p>
  
  <p>what's the problem?</p>
  
  <p>toolbar component:</p>
  
  <pre><code>&lt;telerik:RadToolBar x:Name="radToolbar" FocusManager.IsFocusScope="False" Height="30" Margin="0" VerticalAlignment="Top"&gt;
          &lt;Button Content="Button" Margin="0,0,0,-2" Width="75"/&gt;
          &lt;telerik:RadButton x:Name="mybutton" Content="Button" Height="Auto" Margin="0,0,0,-2" Width="60" MouseEnter="mybutton_MouseEnter"&gt;
  
          &lt;/telerik:RadButton&gt;
      &lt;/telerik:RadToolBar&gt;
  </code></pre>
  
  <p>Mouse event:</p>
  
  <pre><code>private void mybutton_MouseEnter(object sender, MouseEventArgs e)
      {
          this.mybutton.Background = new SolidColorBrush(Color.FromArgb(100, 20, 50, 200));
      }
  </code></pre>