protected virtual bool ProcessItemMnemonicKey(BaseItem item) { if (item != null && item.Visible && item.GetEnabled()) { if (item is QatOverflowItem) ((QatOverflowItem)item).Expanded = true; else if (item is ButtonItem && (item.ShowSubItems || ((ButtonItem)item).AutoExpandOnClick) && (item.SubItems.Count > 0 && item.VisibleSubItems > 0 || ((ButtonItem)item).PopupType == ePopupType.Container) && !item.Expanded) { item.Expanded = true; // If it is a menu select first menu item inside... PopupItem popup = item as PopupItem; if (popup.PopupType == ePopupType.Menu && popup.PopupControl is MenuPanel) { ((MenuPanel)popup.PopupControl).SelectFirstItem(); } if (m_BaseItemContainer is GenericItemContainer) m_BaseItemContainer.AutoExpand = true; } else if (item is ComboBoxItem) { ((ComboBoxItem)item).ComboBoxEx.Focus(); ((ComboBoxItem)item).ComboBoxEx.DroppedDown = true; } else if (item is TextBoxItem) { ((TextBoxItem)item).TextBox.Focus(); } else if (item is ControlContainerItem && ((ControlContainerItem)item).Control != null) ((ControlContainerItem)item).Control.Focus(); else if (item is GalleryContainer) ((GalleryContainer)item).PopupGallery(); else item.RaiseClick(); return true; } return false; }