/// <summary>
/// Remove the child element located at this position from this element's contentContainer
/// </summary>
public void RemoveAt(int index)
{
if (index < 0 || index >= childCount)
{
throw new ArgumentOutOfRangeException("Index out of range: " + index);
}
var child = m_Owner.m_Children[index];
child.InvokeHierarchyChanged(HierarchyChangeType.Remove);
RemoveChildAtIndex(index);
int imguiContainerCount = child.imguiContainerDescendantCount + (child.isIMGUIContainer ? 1 : 0);
if (imguiContainerCount > 0)
{
m_Owner.ChangeIMGUIContainerCount(-imguiContainerCount);
}
child.hierarchy.SetParent(null);
if (childCount == 0)
{
ReleaseChildList();
m_Owner.AssignMeasureFunction();
}
// Child is detached from the panel, notify using the panel directly.
m_Owner.elementPanel?.OnVersionChanged(child, VersionChangeType.Hierarchy);
m_Owner.IncrementVersion(VersionChangeType.Hierarchy);
}
