private void PreviewEscapeTabKeyDown(KeyEventArgs e)
{
Popup.IsOpen = false;
SearchTextBoxControl.Clear();
if (e.Key == Key.Tab)
{
Frame parent = GlobalUtils.FindVisualParent <Frame>(this);
Selector child = GlobalUtils.FindVisualChildren <Selector>(parent).FirstOrDefault();
if (child != null)
{
parent.Focusable = true;
child.Focus();
parent.Focusable = false;
}
}
}
private void AutoRepositionPopupBehavior()
{
UserControl parent = GlobalUtils.FindVisualParent <UserControl>(this);
Window window = Window.GetWindow(parent);
if (window != null || this == null)
{
window.LocationChanged += (s, t) =>
{
var offset = HorizontalOffset;
HorizontalOffset = offset + 1;
HorizontalOffset = offset;
};
}
PlacementTarget = parent;
}