void HandleBackgroundParseComplete(object sender, ParseResultEventArgs e)
{
MarkdownParseResultEventArgs args = e as MarkdownParseResultEventArgs;
List <MarkdownSection> newSections = args != null ? args.Sections : new List <MarkdownSection>();
Action updateAction = () => RefreshComboItems(textView.TextBuffer.CurrentSnapshot, args.Sections);
Dispatcher.BeginInvoke(updateAction);
}
private void HandleBackgroundParseComplete(object sender, ParseResultEventArgs e)
{
MarkdownParseResultEventArgs args = e as MarkdownParseResultEventArgs;
List <MarkdownSection> newSections = args != null ? args.Sections : new List <MarkdownSection>();
ITextSnapshot snapshot = e.Snapshot;
NormalizedSnapshotSpanCollection oldSectionSpans = new NormalizedSnapshotSpanCollection(
_sections.Select(s => s.Span.GetSpan(snapshot)));
NormalizedSnapshotSpanCollection newSectionSpans = new NormalizedSnapshotSpanCollection(
newSections.Select(s => s.Span.GetSpan(snapshot)));
NormalizedSnapshotSpanCollection difference = SymmetricDifference(oldSectionSpans, newSectionSpans);
Action updateAction = () =>
{
try
{
_sections = newSections;
foreach (var span in difference)
{
var temp = TagsChanged;
if (temp != null)
{
temp(this, new SnapshotSpanEventArgs(span));
}
}
}
catch (Exception ex)
{
if (ErrorHandler.IsCriticalException(ex))
{
throw;
}
}
};
_dispatcher.BeginInvoke(updateAction);
}
