i need a dropDownList like Zoom,so i add some thing in the \CuteEditor\Configuration\Shared\Common.config  as below :

  <ToolStyle>
   <item text="full" value="Full.config"></item>
   <item text="simple" value="Simple.config"></item>
   <item text="minimal" value="Minimal.config"></item>
  </ToolStyle>

and in full.config, I add
  <item type="dropdown" name="ToolStyle" text="[[ToolStyle]]" command="ToolStyle" />  

where can i write a command for the above item.

 

and when i change the configration of tool bar, the function of image button what i add, it should be clicked twice to execute the event function.

 
why does it happen?

Pls help me to solute the above problems.

 

Best regards