private void OnInputPaneHiding(Windows.UI.ViewManagement.InputPane sender, Windows.UI.ViewManagement.InputPaneVisibilityEventArgs args)
{
// if the ihm occluded something and we had to move, we need to adjust back
if (_ihmFocusMoved)
{
_hostPopup.VerticalOffset += _ihmOccludeHeight; // ensure defaults back to normal
_ihmFocusMoved = false;
}
}