public static void ShowHistory(GUI owner)
{
if (_this == null)
{
_this = new History(owner);
LoadPersonalizationSettings(owner.Personalizer);
}
_this.Show();
_this.Focus();
}
private void History_Closing(object sender, CancelEventArgs e)
{
View.HistoryChanged -= this.changedHandler;
StorePersonalizationSettings(owner.Personalizer, false);
_this = null;
}
