protected virtual void Initialize()
{
_serializationMananger = new DesignerSerializationManager(_host);
DesignSurfaceServiceContainer serviceContainer = _host.GetService(typeof(IServiceContainer)) as DesignSurfaceServiceContainer;
if (serviceContainer != null)
{
serviceContainer.AddService(typeof(IDesignerLoaderService), (IDesignerLoaderService)this);
serviceContainer.AddNonReplaceableService(typeof(IDesignerSerializationManager), _serializationMananger);
}
}
// this ctor doesn't load the surface
//
public DesignSurface (IServiceProvider parentProvider)
{
_serviceContainer = new DesignSurfaceServiceContainer (parentProvider);
_serviceContainer.AddNonReplaceableService (typeof (IServiceContainer), _serviceContainer);
_designerHost = new DesignerHost ((IServiceProvider) _serviceContainer);
_designerHost.DesignerLoaderHostLoaded += new LoadedEventHandler (OnDesignerHost_Loaded);
_designerHost.DesignerLoaderHostLoading += new EventHandler (OnDesignerHost_Loading);
_designerHost.DesignerLoaderHostUnloading += new EventHandler (OnDesignerHost_Unloading);
_designerHost.DesignerLoaderHostUnloaded += new EventHandler (OnDesignerHost_Unloaded);
_designerHost.Activated += new EventHandler (OnDesignerHost_Activated);
_serviceContainer.AddNonReplaceableService (typeof (IComponentChangeService), _designerHost);
_serviceContainer.AddNonReplaceableService (typeof (IDesignerHost), _designerHost);
_serviceContainer.AddNonReplaceableService (typeof (IContainer), _designerHost);
_serviceContainer.AddService (typeof (ITypeDescriptorFilterService),
(ITypeDescriptorFilterService) new TypeDescriptorFilterService (_serviceContainer));
ExtenderService extenderService = new ExtenderService ();
_serviceContainer.AddService (typeof (IExtenderProviderService), (IExtenderProviderService) extenderService);
_serviceContainer.AddService (typeof (IExtenderListService), (IExtenderListService) extenderService);
UISelectionService selection = new UISelectionService ((IServiceProvider) _serviceContainer);
_serviceContainer.AddService (typeof (ISelectionService), (ISelectionService) selection);
_serviceContainer.AddService (typeof (IUISelectionService), (IUISelectionService)selection);
_serviceContainer.AddService (typeof (DesignSurface), this);
}
protected void Dispose (bool disposing)
{
if (_designerHost != null) {
_designerHost.Dispose ();
_designerHost.DesignerLoaderHostLoaded -= new LoadedEventHandler (OnDesignerHost_Loaded);
_designerHost.DesignerLoaderHostLoading -= new EventHandler (OnDesignerHost_Loading);
_designerHost.DesignerLoaderHostUnloading -= new EventHandler (OnDesignerHost_Unloading);
_designerHost.DesignerLoaderHostUnloaded -= new EventHandler (OnDesignerHost_Unloaded);
_designerHost.Activated -= new EventHandler (OnDesignerHost_Activated);
_designerHost = null;
}
if (_serviceContainer != null) {
_serviceContainer.Dispose ();
_serviceContainer = null;
}
if (Disposed != null)
Disposed (this, EventArgs.Empty);
}
public override void BeginLoad(IDesignerLoaderHost host)
{
if (host == null)
{
throw new ArgumentNullException("host");
}
if (this._state[StateLoaded])
{
Exception exception = new InvalidOperationException(System.Design.SR.GetString("BasicDesignerLoaderAlreadyLoaded"))
{
HelpLink = "BasicDesignerLoaderAlreadyLoaded"
};
throw exception;
}
if ((this._host != null) && (this._host != host))
{
Exception exception2 = new InvalidOperationException(System.Design.SR.GetString("BasicDesignerLoaderDifferentHost"))
{
HelpLink = "BasicDesignerLoaderDifferentHost"
};
throw exception2;
}
this._state[StateLoaded | StateLoadFailed] = false;
this._loadDependencyCount = 0;
if (this._host == null)
{
this._host = host;
this._hostInitialized = true;
this._serializationManager = new DesignerSerializationManager(this._host);
DesignSurfaceServiceContainer container = this.GetService(typeof(DesignSurfaceServiceContainer)) as DesignSurfaceServiceContainer;
if (container != null)
{
container.AddFixedService(typeof(IDesignerSerializationManager), this._serializationManager);
}
else
{
IServiceContainer container2 = this.GetService(typeof(IServiceContainer)) as IServiceContainer;
if (container2 == null)
{
this.ThrowMissingService(typeof(IServiceContainer));
}
container2.AddService(typeof(IDesignerSerializationManager), this._serializationManager);
}
this.Initialize();
host.Activated += new EventHandler(this.OnDesignerActivate);
host.Deactivated += new EventHandler(this.OnDesignerDeactivate);
}
bool successful = true;
ArrayList errorCollection = null;
IDesignerLoaderService service = this.GetService(typeof(IDesignerLoaderService)) as IDesignerLoaderService;
try
{
if (service != null)
{
service.AddLoadDependency();
}
else
{
this._loading = true;
this.OnBeginLoad();
}
this.PerformLoad(this._serializationManager);
}
catch (Exception innerException)
{
while (innerException is TargetInvocationException)
{
innerException = innerException.InnerException;
}
errorCollection = new ArrayList();
errorCollection.Add(innerException);
successful = false;
}
if (service != null)
{
service.DependentLoadComplete(successful, errorCollection);
}
else
{
this.OnEndLoad(successful, errorCollection);
this._loading = false;
}
}
