private TagSpan <T> CreateTag() { var sourceLocation = CheckLocationIsInFile(DebuggingService.NextStatementLocation) ?? CheckLocationIsInFile(DebuggingService.CurrentFrame?.SourceLocation) ?? CheckLocationIsInFile(DebuggingService.GetCurrentVisibleFrame()?.SourceLocation); if (sourceLocation == null) { return(null); } var span = snapshotAtStartOfDebugging.SpanFromMDColumnAndLine(sourceLocation.Line, sourceLocation.Column, sourceLocation.EndLine, sourceLocation.EndColumn); var translatedSpan = span.TranslateTo(textBuffer.CurrentSnapshot, SpanTrackingMode.EdgeExclusive); return(new TagSpan <T> (translatedSpan, tag)); }