protected IEnumerator <object> FinishShowingTooltip( Point mouseLocation, HeapSnapshot.Heap heap, HeapSnapshot.Allocation allocation, HeapSnapshot.Traceback rawTraceback ) { var uniqueRawFrames = rawTraceback.Frames.AsEnumerable().Distinct(); var fSymbols = Instance.Database.SymbolCache.Select(uniqueRawFrames); using (fSymbols) yield return(fSymbols); var symbolDict = SequenceUtils.ToDictionary( uniqueRawFrames, fSymbols.Result ); var tracebackInfo = HeapRecording.ConstructTracebackInfo( rawTraceback.ID, rawTraceback.Frames, symbolDict ); var renderParams = new DeltaInfo.RenderParams { BackgroundBrush = new SolidBrush(SystemColors.Info), BackgroundColor = SystemColors.Info, TextBrush = new SolidBrush(SystemColors.InfoText), IsExpanded = true, IsSelected = false, Font = Font, ShadeBrush = new SolidBrush(Color.FromArgb(31, 0, 0, 0)), StringFormat = CustomTooltip.GetDefaultStringFormat() }; var content = new HeapSnapshot.AllocationTooltipContent( ref allocation, ref tracebackInfo, ref renderParams ) { Location = mouseLocation, Font = Font }; using (var g = CreateGraphics()) CustomTooltip.FitContentOnScreen( g, content, ref content.RenderParams.Font, ref content.Location, ref content.Size ); Tooltip.SetContent(content); }