private void CollapseAll_Click(object sender, System.Windows.Input.MouseButtonEventArgs e) { if (TabGeneral.IsSelected) { General.CollapseAllGroups(); } else if (TabCroissance.IsSelected) { Croissance.CollapseAllGroups(); } else if (TabValorisation.IsSelected) { Valorisation.CollapseAllGroups(); } else if (TabMomentum.IsSelected) { Momentum.CollapseAllGroups(); } else if (TabQuality.IsSelected) { Quality.CollapseAllGroups(); } else if (TabSynthese.IsSelected) { Synthese.CollapseAllGroups(); } }