Facing problem while using BusyIndicator

Hi all,

I am trying to use a Busy Indicator in my code .But i am facing some problems .

Please suggest what is the problem in this code .

var bsyIndi = sap.m.BusyIndicator({

  text :"wait"

  });

  var bar = new sap.m.Bar({

  contentMiddle : new sap.m.Button({text : "hii"}),

  contentLeft : new sap.m.Button({text : "hii2",

  press : function(){

  //bsyIndi.setShowCancelButton(true);

  bsyIndi.setCustomIcon("C:\Users\Public\Pictures\Sample Pictures\Desert.jpg");

  bsyIndi.show (10);

  }