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How to simulate a keypress in Flash actionscript 2.

I have the following code in my Flash AS2 project. The trace works fine and the trace tells me what key was pressed. What I need to do though is actually simulate the keypress. (I have a datagrid object and need to make the focus go down one on the list). So I want to simulate pressing key 38 but am not sure how.

KeyListener = new Object();
KeyListener.onKeyDown = function(){
trace("key pressed" + Key.getCode());

(Just a little background.  I have a third party drag&drop datagrid component.  It doesn't have anything built in to automatically scroll down with the scroll bar.  So I want to press  the down arrow for the user)
Adobe FlashWeb DevelopmentProgramming

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8/22/2022 - Mon

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If I put a statment such as
in my code, yes it will call that function.  However, objects on the stage are not receiving that Keypress.  I think this is on the right track, I just don't know what to pass it.  Ie.
does not make flash think that key 38 was just pressed.

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