TextField in MovieClip blocks MouseEvent.CLICK on vector background even with mouseChildren = false

i'm trying set custom button in flash/as3 textfield causing problems no matter do. i'm wondering if else has ideas.

 

i have movieclip called tabselector. inside tabselector there 2 layers. first layer has textfield called lbllabel. second layer has movieclip named background which instance of tabbackground.

 

tabbackground is movieclip containing single vector shape. has 2 frames (representing "pressed" , "not pressed" states), vector different color in each frame.

 

to keep textfield interfering click events, have tabselector's mousechildren property set false. now, i've done dozen custom buttons in project, , it's worked fine, button, if click anywhere in region textfield occupies, tabselector doesn't register click @ (it still works if click near edge textfield doesn't reach). i've tried setting mousechildren true , lbllabel.mouseenabled false same problem occurs.

 

the difference between button , of other buttons i've done 1 has vector background , others have imported png (i.e. bitmap) backgrounds.

 

does textfield cause hole in vector graphics behind if set mouseenabled property false?

the text field isn't input field chance?

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