public virtual bool AddControl(IControl control)
{
System.Diagnostics.Debug.Assert(control != null, "Can not add a null control");
// Adding a control to itself or to a child of itself
// will unravel the very fabric of the universe
for (IControl parent = this; parent != null; parent = parent.Parent) {
if (parent == control)
throw new InvalidOperationException("Can not add a Control to itself, or to any children of itself.");
}
//_layoutAndAlignChild(control);
if (!_lockControlList()) {
control.Close();
Console.Error.WriteLine("Could not acquire control lock, control discarded.");
return false;
}
try {
_controls.Add(control);
} finally {
_unlockControlList(true);
}
control.SetParent(this);
control.OnResized += this._handleResizeEvent;
control.OnClosed += this._handleClosedEvent;
_layoutAndAlignChildren();
return true;
}
public bool RemoveControl(IControl control)
{
Debug.Assert(control != null, "Can not remove a null control");
if (!_controlLayers.TryRemove(control))
return false;
control.OnClosed -= _closedControlHandler;
control.Close();
return true;
}