public void Duplicate()
{
if (SelectedStrokesIds.Count > 0)
{
Clipboard = new StrokeList(SelectedStrokes);
}
if (Clipboard == null)
{
return;
}
SelectionChanged?.Invoke(new StrokeList());
var copiedStrokes = new StrokeList();
var translationMatrix = Constants.DuplicationTransform;
var offset = 0;
foreach (var s in Clipboard.OrderBy(x => (x as StrokeModel)?.CreatedDate))
{
var strokeModel = new StrokeModel(s.Clone(), UserId);
strokeModel.CreatedDate = strokeModel.CreatedDate.AddMilliseconds(offset++);
strokeModel.Transform(translationMatrix, false);
copiedStrokes.Add(strokeModel);
}
Strokes.Add(new StrokeCollection(copiedStrokes));
SelectionChanged?.Invoke(copiedStrokes);
EditingMode = InkCanvasEditingMode.Select;
}
