LFC-$35.lzx

<canvas height="160">
   <button name="b1" onclick="winDia.openWindow()">Show modal dialog</button>
   <window width="200" name="winDia" closeable="true" visible="false" x="150" title="modal dialog">
     <method name="openWindow">
       this.open();
       lz.ModeManager.makeModal(this);
     </method>
     <method name="close">
       lz.ModeManager.release(this);
       super.close();
     </method>
   </window>
 </canvas>