protected void ShowDropdown()
{
UpdateDropdownList();
if (_list.selectionMode == ListSelectionMode.Single)
_list.selectedIndex = -1;
dropdown.width = this.width;
this.root.TogglePopup(dropdown, this, _popupDirection == "up" ? (object)false : (_popupDirection == "auto" ? null : (object)true));
if (dropdown.parent != null)
{
dropdown.displayObject.onRemovedFromStage.Add(__popupWinClosed);
SetState(GButton.DOWN);
}
}