private async void InkCanvas_PointerPressed(object sender, PointerRoutedEventArgs e)
{
var position = e.GetCurrentPoint(_inkCanvas).Position;
while (_analyzer.IsAnalyzing)
{
await Task.Delay(TimeSpan.FromMilliseconds(BusyWaitingTime));
}
if (_selectionRectangleService.ContainsPosition(position))
{
// Pressed on the selected rect, do nothing
return;
}
selectedNode = _analyzer.FindHitNode(position);
ShowOrHideSelection(selectedNode);
}
private void UnprocessedInput_PointerPressed(InkUnprocessedInput sender, PointerEventArgs args)
{
var position = args.CurrentPoint.Position;
if (_selectionRectangleService.ContainsPosition(position))
{
// Pressed on the selected rect, do nothing
return;
}
lasso = new Polyline()
{
Stroke = new SolidColorBrush(Colors.Blue),
StrokeThickness = 1,
StrokeDashArray = new DoubleCollection() { 5, 2 },
};
lasso.Points.Add(args.CurrentPoint.RawPosition);
_selectionCanvas.Children.Add(lasso);
enableLasso = true;
}