/// <summary>
/// Bring this TabStripPage to the front of the switcher.
/// </summary>
public void Activate()
{
TabPageSwitcher tabPageSwitcher = this.Parent as TabPageSwitcher;
if (tabPageSwitcher != null)
{
tabPageSwitcher.SelectedTabStripPage = this;
try
{
int x0 = tabPageSwitcher.TabStrip.SelectedTab.Bounds.Location.X;
int xf = tabPageSwitcher.TabStrip.SelectedTab.Bounds.Right;
tabPageSwitcher.SelectedTabStripPage.LinePos(x0, xf, true);
}
catch { }
}
}
/// <summary>
/// this method is called when dragging a TabStrip off the toolbox.
/// </summary>
/// <param name="host"></param>
/// <returns></returns>
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;
}
// create a TabPageSwitcher and add it to the same parent as the TabStrip
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);
}
// specify default values for our TabStrip
Dictionary <string, object> propertyValues = new Dictionary <string, object>();
propertyValues["Location"] = new Point(tabStrip.Left, tabStrip.Bottom + 3);
propertyValues["TabStrip"] = tabStrip;
// set the property values
SetProperties(controlSwitcher, propertyValues, host);
}
finally {
if (t != null)
{
t.Commit();
}
}
// add the TabPageSwitcher to the list of components that we've created
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);
}
