private async void InkStrokeContainer_StrokesErased(object sender, Xamarin.Forms.Inking.XInkStrokesErasedEventArgs e)
{
var undoItem = App.Container.Resolve <IAddStrokesUndoItem>();
undoItem.Container = App.GetSketchData();
undoItem.Strokes = e.Strokes.ToList();
undoItem.IsErase = true;
_viewModel.UndoManager.Add(undoItem);
App.GetSketchData().InkStrokes = InkCanvas.GetInkCanvasView().InkPresenter.StrokeContainer.GetStrokes();
await UpdateWebViewAsync().ConfigureAwait(false);
}
/// <summary>
/// Remove all of the ink stroks from the container
/// </summary>
public void Clear()
{
lock (_inkStrokes)
{
var args = new XInkStrokesErasedEventArgs(_inkStrokes.ToList());
if (_inkStrokes.Any())
{
_inkStrokes.ForEach(delegate(XInkStroke item)
{
item.Dispose();
});
_inkStrokes.Clear();
InkChanged?.Invoke(this, new EventArgs());
}
}
GC.Collect();
}