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);
}