/// <summary>
/// Returns the font in use at a particular index.
/// </summary>
/// <param name="index">The index.</param>
/// <returns>The font that's currently being applied at that
/// index or null if no font Is being applied or the
/// index Is out of range.</returns>
public short GetFontAtIndex(int index)
{
int size = _string.FormatRunCount;
UnicodeString.FormatRun currentRun = null;
for (int i = 0; i < size; i++)
{
UnicodeString.FormatRun r = _string.GetFormatRun(i);
if (r.CharacterPos > index)
{
break;
}
else
{
currentRun = r;
}
}
if (currentRun == null)
{
return(NO_FONT);
}
else
{
return(currentRun.FontIndex);
}
}