Command inside DataTemplate

<datatemplate x:key="CommandsTemplate" xmlns:x="#unknown">
 <itemscontrol itemssource="{Binding Path=Commands}">
   <itemscontrol.itemtemplate>
     <datatemplate>
       <textblock margin="2,6">
         <button command="{Binding Path=Command}">
           <textblock text="{Binding Path=DisplayName}" />
         </button>
       </textblock>
     </datatemplate>
   </itemscontrol.itemtemplate>
 </itemscontrol>
</datatemplate>

 public class CommandViewModel : ViewModelBase
{
    public CommandViewModel(string displayName, ICommand command)
    {
        if (command == null)
            throw new ArgumentNullException("command");

        base.DisplayName = displayName;
        this.Command = command;
    }

    public ICommand Command { get; private set; }
}