public Word FindLeftWordByBlockType(SpanDefinition spanDefinition, Word StartWord, bool IgnoreStartWord)
{
int i = StartWord.Index;
if (IgnoreStartWord)
i--;
while (i >= 0)
{
Word w = this[i];
if (w.Span.spanDefinition == spanDefinition && w.Type != WordType.Space && w.Type != WordType.Tab)
{
return w;
}
i--;
}
return null;
}