private void OnDocumentPageChanged(object sender, Data.EventHandler.ActivePageChangedEventArgs e)
{
this.InkCanvas.Strokes.Clear();
this.InkCanvas.Children.Clear();
this.InvokePropertyChanged(() => this.InkCanvas);
this.InvokePropertyChanged(() => this.CurrentPageNumber);
this.InvokePropertyChanged(() => this.PageCount);
if (e.ActivePage == null || e.ActivePage.StrokeData == null)
{
return;
}
using (MemoryStream memoryStream = new MemoryStream())
{
memoryStream.Write(e.ActivePage.StrokeData, 0, e.ActivePage.StrokeData.Length);
memoryStream.Seek(0, SeekOrigin.Begin);
StrokeCollection collection = new StrokeCollection(memoryStream);
this.InkCanvas.Strokes = collection;
foreach (System.Windows.Ink.Stroke stroke in this.InkCanvas.Strokes)
{
if (stroke.DrawingAttributes.Color == SubstitutionColor)
{
stroke.DrawingAttributes.Color = Colors.LightGray;
}
}
}
foreach (UIElement uiElement in e.ActivePage.CreateChildren())
{
this.InkCanvas.Children.Add(uiElement);
}
}
private void OnDocumentPageChanged(object sender, Data.EventHandler.ActivePageChangedEventArgs e)
{
this.CanExecuteChanged?.Invoke(this, new EventArgs());
}
