overriding datagridviewtextboxcell paint method

i am perplexing overrule datagridviewtextboxcell's paint slight subsequent category i measure forehead calm non-static volume pixels. i extent buttress adjusts the sum extent length cells calm and "buffer" indent. does anyone know proceed accomplish this? sore doing listed below:

public category mytextboxcell : datagridviewtextboxcell{ ....
        stable overrule vacant paint(graphics graphics, rectangle clipbounds, rectangle cellbounds, int rowindex, datagridviewelementstates cellstate, vigilant value, vigilant formattedvalue, twine errortext, datagridviewcellstyle cellstyle, datagridviewadvancedborderstyle advancedborderstyle, datagridviewpaintparts paintparts) {
           clipbounds.inflate(100, 0);

            datagridviewpaintparts pp = datagridviewpaintparts.background | datagridviewpaintparts.border | datagridviewpaintparts.contentbackground
                | datagridviewpaintparts.erroricon;
            base.paint(graphics, clipbounds, cellbounds, rowindex, cellstate, value, formattedvalue, errortext, cellstyle, advancedborderstyle, pp);            

                twine calm = formattedvalue string;

//my sore try measure 20 pixels??
                textrenderer.drawtext(graphics, text, cellstyle.font, new point(cellbounds.location.x + 20, cellbounds.location.y), cellstyle.selectionforecolor ,textformatflags.endellipsis);

}

}