actionscript 3 - AS3 null object error on movie clip 1009 cannot access -


hello wandering if help, keep getting error spat @ me when try launch in as3. need import something? apologies, learned as2 , i'm learning as3.

baby steps.

typeerror: error #1009: cannot access property or method of null object reference.     @ draganddropframe1_resetter2_0_fla::maintimeline/frame3()     @ flash.display::sprite/constructchildren()     @ flash.display::sprite()     @ flash.display::movieclip()  this.window_mc.visible = true;  this.windwo_mc.offwindow.addeventlistener(mouseevent.click, shutwin);  function shutwin(event:mouseevent):void  {      this.window_mc.visible = false; }

updates -----------

a method appears have worked around changing direct path 'this'. clicked inside movieclip, added layer called actions , inserted script referenced movieclip wanted hide when clicked.

this.addeventlistener(mouseevent.click, fl_clicktohide);  function fl_clicktohide(event:mouseevent):void {     this.visible = false; }

the error getting means object, (moveiclip, variable, etc ) doesn't exist.

go publish settings, , check box says "permit debugging". when error in output window display exact line number error occurred on. line tell object null.


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