HELP! How to HighLight a line in Textarea?

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i posted message few days back, , no 1 responded, thought i'll post again.

does know how highlight line in textarea component? clicking anywhere inside textarea highlight entire line, if selecting line. same kind of highlighting in tree component, when clicking on tree node, tree node highlighted. or datagrid component, when clicking on cell in datagrid, entire row selected , highlighted.

thanks.

under text area, put panel, set array of y positions of text area each line.

then on click of text area set y position of underlying panel closest y current mouse position.

thats thing can think of without splitting text list or something.


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