private void OnGotFocus(object sender, RoutedEventArgs args)
{
_adorner = new ResizingAdorner(this, _desiredSize);
_adorner.DesiredSizeChanged += OnDesiredSizeChanged;
var adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
adornerLayer.Add(_adorner);
}
}
private void OnLostFocus(object sender, RoutedEventArgs args)
{
if (_adorner == null)
{
Debug.Fail("Lost focus without creating an adorner");
return;
}
_adorner.DesiredSizeChanged -= OnDesiredSizeChanged;
var adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
adornerLayer.Remove(_adorner);
_adorner = null;
}
}
private void OnGotFocus(object sender, RoutedEventArgs args) {
_adorner = new ResizingAdorner(this, _desiredSize);
_adorner.DesiredSizeChanged += OnDesiredSizeChanged;
var adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null) {
adornerLayer.Add(_adorner);
}
}
private void OnLostFocus(object sender, RoutedEventArgs args) {
if (_adorner == null) {
Debug.Fail("Lost focus without creating an adorner");
return;
}
_adorner.DesiredSizeChanged -= OnDesiredSizeChanged;
var adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null) {
adornerLayer.Remove(_adorner);
_adorner = null;
}
}
