ActionScript 3.0 :: Set The TextInput Component's BackgroundColor To Transparent

May 12, 2011

I have a textinput component that needs to have a transparent background.  I've tried adjusting the alpha to 0% and 25%, the former doesn't display the contents (white font bold sans-serif) and the latter leaves a shaded background.  I've also tried the following:
 
var tf:TextFormat = new TextFormat;   tf.color=0xFFFFFF;   tf.font="Sans-serif";   tf.size=12;   tf.bold=true;   txtlowtemp.setStyle("textFormat",tf);   txtlowtemp.backgroundColor=undefined;   txthitemp.setStyle("textFormat",tf);   txthitemp.backgroundColor=undefined;
 
However, this gives error 1119 access to possibly undefined property backgroundColor.
 
How can I create a truly transparent background for these components?

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