public bool FilterAppliesRanged(int offset, int length)
{
MarkupRange adjustedRange = currentWordRange.Clone();
MarkupHelpers.AdjustMarkupRange(ref stagingTextRange, adjustedRange, offset, length);
return(filter != null && filter(adjustedRange));
}
//iterates through a word range checking for spelling errors
//return: whether the word range is finished (true) or not
private bool ProcessWordRange(MshtmlWordRange wordRange)
{
if (wordRange.CurrentWordRange.Positioned)
{
//track where we will need to clear;
MarkupPointer start = _markupServices.CreateMarkupPointer();
start.MoveToPointer(wordRange.CurrentWordRange.End);
ArrayList highlightwords = new ArrayList(NUMBER_OF_WORDS_TO_CHECK);
int i = 0;
//to do....the word range is losing its place when it stays in the queue
while (wordRange.HasNext() && i < NUMBER_OF_WORDS_TO_CHECK)
{
// advance to the next word
wordRange.Next();
// check the spelling
int offset, length;
if (ProcessWord(wordRange, out offset, out length))
{
MarkupRange highlightRange = wordRange.CurrentWordRange.Clone();
MarkupHelpers.AdjustMarkupRange(ref stagingTextRange, highlightRange, offset, length);
//note: cannot just push the current word range here, as it moves before we get to the highlighting step
highlightwords.Add(highlightRange);
}
i++;
}
MarkupPointer end = wordRange.CurrentWordRange.End;
//got our words, clear the checked range and then add the misspellings
ClearRange(start, end);
foreach (MarkupRange word in highlightwords)
{
HighlightWordRange(word);
}
return(!wordRange.HasNext());
}
else
{
return(true);
}
}
/// <summary>
/// Highlight the current word
/// </summary>
public void Highlight(int offset, int length)
{
// select word
MarkupRange highlightRange = currentWordRange.Clone();
MarkupHelpers.AdjustMarkupRange(highlightRange, offset, length);
try
{
highlightRange.ToTextRange().select();
}
catch (COMException ce)
{
// Fix bug 772709: This error happens when we try to select un-selectable objects.
if (ce.ErrorCode != unchecked ((int)0x800A025E))
{
throw;
}
}
}