public void StartHighlight(ITextSpan span, HighlightKind kind, bool clearAllOfKind = false)
{
if (clearAllOfKind)
{
this.ClearHighlightsInternal(p => p.Kind == kind);
}
this.HighlightRegions.Add(new HighlightRegion {
TextSpan = span, Kind = kind
});
this.InvalidateVisual();
}
public void EndHighlight(ITextSpan span, HighlightKind kind)
{
var idsToRemove = new List <int>();
var arr = this.HighlightRegions.ToArray();
for (int i = this.HighlightRegions.Count - 1; i >= 0; i--)
{
var hs = this.HighlightRegions[i];
if (hs.TextSpan.Start == span.Start && hs.TextSpan.Length == span.Length && kind == hs.Kind)
{
idsToRemove.Add(i);
}
}
foreach (var id in idsToRemove)
{
this.HighlightRegions.RemoveAt(id);
}
this.InvalidateVisual();
}