public CreatureTemplateWindow()
{
InitializeComponent();
if (openWindow != null)
{
openWindow.Close();
}
openWindow = this;
Closing += CreatureTemplateWindow_Closing;
templateListBox.ItemsSource = TemplateHandler.ListTemplateDescriptions();
templateListBox.MouseDoubleClick += TemplateListBox_MouseDoubleClick;
templateListBox.SelectedIndex = 0;
}