title: How I can to change background color in Dropdown button in WPF ToolBar?
body: <p>How I can to change background color in Dropdown button in WPF ToolBar?</p>
  
  <p><strong>Update:</strong></p>
  
  <p><a href="https://i.stack.imgur.com/wIqp7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wIqp7.png" alt="enter image description here"></a></p>
  
  <p>XAML code:</p>
  
  <pre><code>&lt;Window x:Class="WpfTutorialSamples.Common_interface_controls.ToolbarSample"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Title="ToolbarSample" Height="200" Width="300"&gt;
       &lt;DockPanel&gt;
          &lt;ToolBarTray DockPanel.Dock="Top"&gt;
              &lt;ToolBar&gt;
                  &lt;Button Content="New" /&gt;
                  &lt;Button Content="Open" /&gt;
                  &lt;Button Content="Save" /&gt;
              &lt;/ToolBar&gt;
              &lt;ToolBar Background="GreenYellow"&gt;
                  &lt;Button Content="Cut" /&gt;
                  &lt;Button Content="Copy" /&gt;
                  &lt;Button Content="Paste" /&gt;
              &lt;/ToolBar&gt;
          &lt;/ToolBarTray&gt;
          &lt;TextBox Text="Test" /&gt;
      &lt;/DockPanel&gt;
   &lt;/Window&gt;
  </code></pre>