ActionScript 3.0 :: Using The New Save() In The File Reference Class

Jul 22, 2009

For a project I am working on, I allow users to drag stuff around the stage and then let them save it as JPEG. I have used the new save method from player 10. This is my code so far.

var fr:FileReference;
test_btn.addEventListener(MouseEvent.CLICK, showPic);
function showPic(event:MouseEvent):void {

[Code]....

But when I click on the button, I get the following erro

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at homev1_fla::MainTimeline/showPic()

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