public void Handle_RubberBandSelection(RubberBandSelectionEventArgs e)
{
if (e != null)
{
if (e.Select == MouseSelection.CancelSelection)
{
return;
}
// Clear existing selection since multiselection with addition is not what we want
if (e.Select == MouseSelection.ReducedToNewSelection)
{
this.SelectedItem.Clear();
}
Rect rubberBand = new Rect(e.StartPoint, e.EndPoint);
foreach (var item in this.DocumentViewModel.dm_DocumentDataModel.DocRoot.OfType <ShapeSizeViewModelBase>())
{
Rect itemBounds = new Rect(item.Position, item.EndPosition);
bool contains = rubberBand.Contains(itemBounds);
if (contains == true)
{
this.SelectedItem.Add(item);
}
}
}
}
private void handler_RubberBandSelection(object sender, RubberBandSelectionEventArgs e)
{
if (this.mCurrentMouseHandler is CreateRubberBandMouseHandler handler)
{
handler.RubberBandSelection -= this.handler_RubberBandSelection;
}
this.CanvasViewModel.Handle_RubberBandSelection(e);
this.EndMouseOperation();
this.DestroyRubberband();
}
