actionscript 3 - Make a Text Field the same size as the font size -


i wondering if there way make text field same size font used text inside of it.

one of options i've tried was: 

mytextfield.height = mytextfield.textheight

but didn't job, because textheight height of highest letter in text, not can rely on.

i've tried using gettextformat().size:

mytextfield.height = mytextfield.gettextformat().size

but returned:

error 1118 implicit coercion of value static type object possible unrelated type number.


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