/// <summary>
/// Compute current editor line height
/// </summary>
public int LineHeight(ScintillaControl sci)
{
if (sci == null)
{
return(0);
}
// evaluate the font size
Font tempFont = new Font(sci.Font.Name, sci.Font.Size + sci.ZoomLevel);
Graphics g = sci.CreateGraphics();
SizeF textSize = g.MeasureString("S", tempFont);
return((int)Math.Ceiling(textSize.Height));
}