private void OnDisable()
{
instance = null;
m_Content?.OnDropdownClosed();
m_Content = null;
}
public static void ShowDropdown(VisualElement parent, DropdownContent content)
{
if (parent == null || content == null)
{
return;
}
instance = new DropdownElement();
instance.Add(content);
instance.m_Content = content;
parent.Add(instance);
content.OnDropdownShown();
}
public static void ShowDropdown(DropdownContent content)
{
if (instance != null || content == null)
{
return;
}
instance = CreateInstance <DropdownContainer>();
instance.rootVisualElement.Add(content);
content.container = instance;
instance.m_Content = content;
instance.ShowAsDropDown(content.position, content.windowSize);
content.OnDropdownShown();
}