private void ButtonPopOut_Click(object sender, RoutedEventArgs e)
{
Mastermind.OpenPoppedOutSelectionPropertiesWindow(
selectionDataContent.ActualWidth,
selectionDataContent.ActualHeight,
ReintegratePoppedOut);
selectionDataContent.Visibility = Visibility.Collapsed;
colWidthWhilePoppingOut = selectionDataColumn.Width;
selectionDataColumn.Width = new GridLength(0);
selectionDataColumn.MaxWidth = 0;
UpdateLowerAreaCollapse();
}