private void AddSelectionAdorner()
{
if (!adornerAdded)
{
selectionAdorner = new RectangleSelectionAdorner(this);
selectionAdorner.Border = zoomRect;
adornerLayer.Add(selectionAdorner);
}
adornerAdded = true;
}
private void AddSelectionAdorner()
{
if (!adornerAdded)
{
AdornerLayer layer = AdornerLayer;
if (layer != null)
{
selectionAdorner = new RectangleSelectionAdorner(this)
{
Border = zoomRect
};
layer.Add(selectionAdorner);
adornerAdded = true;
}
}
}