[flexcoders] arraycollection contains() method

[freska]

Hi there,
I want to compare two arraycollection and take the different items
out. I tried using contains() method to check if the first item of
arraycollection arrayControl is in arraycollection arrayColPref, but
it just doesn't work. I mean, it is supposed to say "True" instead of
"False". So, here's my code. Please show me where I did it wrong.


[Bindable]
public var arrayControl:ArrayCollection = new
ArrayCollection([{name:"Message", data:"colMessage"}, {name:"Assigned
to", data:"colAssignedto"}, {name:"Start date", data:"colStartdate"},
{name:"Due date", data:"colDuedate"}, {name:"Status",
data:"colStatus"}, {name:"Priority", data:"colPriority"},
{name:"Posted by", data:"colPostedby"}]);
                        
[Bindable]
public var arrayColPref:ArrayCollection = new
ArrayCollection([{name:"Message", data:"colMessage"},
{name:"Priority", data:"colPriority"}, {name:"Assigned to",
data:"colAssignedto"}, {name:"Status", data:"colStatus"}]);
                        
public function isDuplicate():void {
        var bool:Boolean = arrayColPref.contains(arrayControl.getItemAt(0));
        Alert.show(String(bool));
}