private void RenderDigitX(DrawingContext dc, double x, Typeface typeface)
{
double realX = mPointTrans.TranslateXBack(x);
realX = Math.Round(realX, AXIS_DIGITS_NUMBERS);
CultureInfo uiCulture = CultureInfo.CurrentUICulture;
var formattedText = new FormattedText(realX.ToString(),
uiCulture, FlowDirection, typeface, FontSize, Foreground);
dc.DrawText(formattedText, new Point(x + AXIS_DIGITS_MARGIN,
Center.Y + AXIS_DIGITS_MARGIN));
}
