public ResolveResult GetLanguageItem (MonoDevelop.Ide.Gui.Document doc, int offset, out DomRegion expressionRegion)
{
if (offset < 0) {
expressionRegion = DomRegion.Empty;
return null;
}
var loc = RefactoringService.GetCorrectResolveLocation (doc, doc.Editor.OffsetToLocation (offset));
ResolveResult result;
AstNode node;
if (!doc.TryResolveAt (loc, out result, out node)) {
expressionRegion = DomRegion.Empty;
return null;
}
expressionRegion = new DomRegion (node.StartLocation, node.EndLocation);
return result;
}