public void SetZOrder(Control c, int value)
{
if (value == -1)
{
RemoveControl(c);
return;
}
ZOrderedControlEntry controlEntry;
if (!_zOrderedControls.TryGetValue(c, out controlEntry))
{
controlEntry = new ZOrderedControlEntry(c);
_zOrderedControls.Add(c, controlEntry);
if (c.Parent != null)
AssignZOrderManager(controlEntry, c.Parent);
c.ParentChanged += OnZOrderedControlParentChanged;
c.Disposed += OnZOrderedControlDisposed;
}
controlEntry.ZOrder = value;
}
private void AssignZOrderManager(ZOrderedControlEntry entry, Control container)
{
if (container == null)
{
entry.Manager = null;
return;
}
if (entry.Manager != null && entry.Manager.Container == container)
return;
ZOrderManager manager;
if (!_zOrderManagers.TryGetValue(container, out manager))
{
manager = new ZOrderManager(container);
_zOrderManagers.Add(container, manager);
}
entry.Manager = manager;
}
