private VSCompletion GetVSCompletion(CompletionItem item, string displayText = null)
{
if (!CompletionItemMap.TryGetValue(item, out var value))
{
value = new CustomCommitCompletion(CompletionPresenterSession, item);
CompletionItemMap.Add(item, value);
}
value.DisplayText = displayText ?? item.DisplayText;
return(value);
}
public CancellableContentControl(ToolTipProvider toolTipProvider, CustomCommitCompletion item)
{
Debug.Assert(_foregroundObject.IsForeground());
_toolTipProvider = toolTipProvider;
// Set our content to be "..." initially.
this.Content = toolTipProvider._defaultTextBlock;
// Kick off the task to produce the new content. When it completes, call back on
// the UI thread to update the display.
var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
item.GetDescriptionAsync(_cancellationTokenSource.Token)
.ContinueWith(ProcessDescription, _cancellationTokenSource.Token,
TaskContinuationOptions.OnlyOnRanToCompletion, scheduler);
// If we get unloaded (i.e. the user scrolls down in the completion list and VS
// dismisses the existing tooltip), then cancel the work we're doing
this.Unloaded += (s, e) => _cancellationTokenSource.Cancel();
}