private void HandleParams(HelpStage[] nextStagesInOrder)
{
for (int i = 0; i < nextStagesInOrder.Length; i++)
{
if (i == 0)
{
Next = nextStagesInOrder[i];
}
else
{
nextStagesInOrder[i - 1].Next = nextStagesInOrder[i];
}
}
}
public HelpBox ShowStage(HelpWorkflow workflow, HelpStage stage)
{
if (_currentHelpBox != null)
{
_host.Controls.Remove(_currentHelpBox);
}
_highlight = stage.HighlightControl;
_currentHelpBox = new HelpBox(workflow, stage.HelpText, stage.OptionButtonText);
_currentHelpBox.Location = stage.UseDefaultPosition ? GetGoodLocationForHelpBox(_currentHelpBox) : stage.HostLocationForStageBox;
_host.Controls.Add(_currentHelpBox);
_currentHelpBox.BringToFront();
_host.Invalidate();
return(_currentHelpBox);
}
public void ShowStage(HelpStage stage)
{
//Abandon must have already been called
if (_help == null)
{
return;
}
if (HostControl.InvokeRequired)
{
HostControl.Invoke(new MethodInvoker(() => ShowStage(stage)));
return;
}
CurrentStage = stage;
var helpBox = _help.ShowStage(this, CurrentStage);
helpBox.OptionTaken += () => ShowStage(CurrentStage.OptionDestination);
var t = stage.Await(_cancellationTokenSource.Token);
t.ContinueWith(r =>
{
if (r.IsFaulted || r.IsCanceled)
{
Abandon();
}
else
{
try
{
if (r.Result)
{
ShowNextStageOrClose();
}
}
catch (Exception)
{
Abandon();
}
}
});
}
public HelpStage SetNext(HelpStage next)
{
Next = next;
return(next);
}
public void SetOption(string optionButtonText, HelpStage destinationWhenOptionTaken)
{
OptionButtonText = optionButtonText;
OptionDestination = destinationWhenOptionTaken;
}