private void PopInner()
{
// Pop the foremost control
Control current = Screens.Pop();
// Deactivate the control
ILinkedControl linkedControl = current as ILinkedControl;
linkedControl?.Deactivate(Engine);
current.Enabled = false;
Controls.Remove(current);
// re-enable the current control, if any
if (Screens.Count > 0)
{
Control prev = Screens.Peek();
if (prev != null)
{
prev.Enabled = true;
prev.Visible = true;
ILinkedControl prevLinkedControl = prev as ILinkedControl;
prevLinkedControl?.Activate(Engine, current);
}
}
current.Dispose();
}
private void PushInner(Control control)
{
// disable the current control
if (Screens.Count > 0)
{
Control prev = Screens.Peek();
if (prev != null)
{
prev.Enabled = false;
if (control.Dock == DockStyle.Fill)
{
prev.Visible = false;
}
if (prev is ILinkedControl prevLinkedControl)
{
prevLinkedControl.Deactivate(Engine);
}
}
}
// link the control to our controllers
ILinkedControl linkedControl = control as ILinkedControl;
linkedControl?.Link(Engine);
linkedControl?.Link(this);
// Push in the new control
Screens.Push(control);
Controls.Add(control);
control.BringToFront();
control.Enabled = true;
linkedControl?.HandleFormResize(Size);
CenterControl(control);
// Activate the control
linkedControl?.Activate(Engine, null);
}