Hi,

I'm new to Qooxdoo (i'm using version 0.7.4, because I'm using Eclipse RAP)
and I'm try to create a Custom Widget based on CanvasLayout class, that
composites another Widgets. Here little peace of code:

qx.Class.define( "my.CanvasWidget", {
  extend: qx.ui.layout.CanvasLayout,
   construct: function( id ) {
     this.base( arguments );
     ...
   }

    }
  } );


//If using:

var myCanvasWidget = new my.CanvasWidget("myId");
...
myCanvasWidget.setBackgroundColor("#ff0000");

My question is: the setBackgroundColor has no effort on myCanvasWidget, why
is it so (The property backgroundColor exist in super Class "Widget")?

P.S. this is my repost from
http://stackoverflow.com/questions/2228088/how-to-set-border-background-on-canvaslayout-based-custom-widget-in-qooxdoo

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