public void Activate()
{
TabPageSwitcher tabPageSwitcher = this.Parent as TabPageSwitcher;
if (tabPageSwitcher != null)
{
tabPageSwitcher.SelectedControl = this;
}
}
public override void SetChildIndex(Control child, int newIndex)
{
if (newIndex == Count - 1)
{
TabPageSwitcher parent = Owner as TabPageSwitcher;
if (parent != null && parent.SelectedControl != null && parent.SelectedControl != child)
{
base.SetChildIndex(child, Math.Max(0, newIndex - 1));
}
}
base.SetChildIndex(child, newIndex);
}
protected override IComponent[] CreateComponentsCore(IDesignerHost host)
{
IComponent[] components = base.CreateComponentsCore(host);
Control parentControl = null;
ControlDesigner parentControlDesigner = null;
TabStrip tabStrip = null;
IComponentChangeService changeSvc = (IComponentChangeService)host.GetService(typeof(IComponentChangeService));
// fish out the parent we're adding the TabStrip to.
if (components.Length > 0 && components[0] is TabStrip)
{
tabStrip = components[0] as TabStrip;
ITreeDesigner tabStripDesigner = host.GetDesigner(tabStrip) as ITreeDesigner;
parentControlDesigner = tabStripDesigner.Parent as ControlDesigner;
if (parentControlDesigner != null)
{
parentControl = parentControlDesigner.Control;
}
}
// Create a ControlSwitcher on the same parent.
if (host != null)
{
TabPageSwitcher controlSwitcher = null;
DesignerTransaction t = null;
try {
try {
t = host.CreateTransaction("add tabswitcher");
}
catch (CheckoutException ex) {
if (ex == CheckoutException.Canceled)
{
return(components);
}
throw ex;
}
MemberDescriptor controlsMember = TypeDescriptor.GetProperties(parentControlDesigner)["Controls"];
controlSwitcher = host.CreateComponent(typeof(TabPageSwitcher)) as TabPageSwitcher;
if (changeSvc != null)
{
changeSvc.OnComponentChanging(parentControl, controlsMember);
changeSvc.OnComponentChanged(parentControl, controlsMember, null, null);
}
Dictionary <string, object> propertyValues = new Dictionary <string, object>();
propertyValues["Location"] = new Point(tabStrip.Left, tabStrip.Bottom + 3);
propertyValues["TabStrip"] = tabStrip;
SetProperties(controlSwitcher, propertyValues, host);
}
finally {
if (t != null)
{
t.Commit();
}
}
if (controlSwitcher != null)
{
IComponent[] newComponents = new IComponent[components.Length + 1];
Array.Copy(components, newComponents, components.Length);
newComponents[newComponents.Length - 1] = controlSwitcher;
return(newComponents);
}
}
return(components);
}
