//- Gets a new DesignSurfaceExt2
//- and loads it with the appropriate type of root component.
public DesignSurfaceExt2 CreateDesignSurfaceExt2()
{
//- with a DesignSurfaceManager class, is useless to add new services
//- to every design surface we are about to create,
//- because of the "IServiceProvider" parameter of CreateDesignSurface(IServiceProvider) Method.
//- This param let every design surface created
//- to use the services of the DesignSurfaceManager.
//- A new merged service provider will be created that will first ask
//- this provider for a service, and then delegate any failures
//- to the design surface manager object.
//- Note:
//- the following line of code create a brand new DesignSurface which is added
//- to the Designsurfeces collection,
//- i.e. the property "this.DesignSurfaces" ( the .Count in incremented by one)
DesignSurfaceExt2 surface = (DesignSurfaceExt2)(this.CreateDesignSurface(this.ServiceContainer));
//- each time a brand new DesignSurface is created,
//- subscribe our handler to its SelectionService.SelectionChanged event
//- to sync the PropertyGridHost
ISelectionService selectionService = (ISelectionService)(surface.GetService(typeof(ISelectionService)));
if (null != selectionService)
{
selectionService.SelectionChanged += (object sender, EventArgs e) =>
{
ISelectionService selectService = sender as ISelectionService;
if (null == selectService)
{
return;
}
if (0 == selectService.SelectionCount)
{
return;
}
//- Sync the PropertyGridHost
//PropertyGrid propertyGrid = (PropertyGrid)this.GetService(typeof(PropertyGrid));
CustomPropertyGridHost propertyGrid = (CustomPropertyGridHost)this.GetService(typeof(CustomPropertyGridHost));
if (null == propertyGrid)
{
return;
}
ArrayList comps = new ArrayList();
comps.AddRange(selectService.GetSelectedComponents());
propertyGrid.SelectedObject = comps[0];
if (propertyGrid.reportCtrlProp != null)
{
updateStatusBar(propertyGrid.reportCtrlProp.reportControlProperty);
}
};
}
DesignSurfaceExt2Collection.Add(surface);
this.ActiveDesignSurface = surface;
//- and return the DesignSurface (to let the its BeginLoad() method to be called)
return(surface);
}
//-
private void Init()
{
this.PropertyGridHost = new CustomPropertyGridHost(this);
//- add the PropertyGridHost and ComboBox as services
//- to let them available for every DesignSurface
//- (the DesignSurface need a PropertyGridHost/ComboBox not a the UserControl hosting them so
//- we provide the PropertyGridHost/ComboBox embedded inside our UserControl PropertyGridExt)
this.ServiceContainer.AddService(typeof(PropertyGrid), PropertyGridHost.PropertyGrid);
this.ServiceContainer.AddService(typeof(CustomPropertyGridHost), PropertyGridHost);
this.PropertyGridHost.invokeUpdate += PropertyGridHost_invokeUpdate;
//this.ServiceContainer.AddService( typeof( ComboBox ), PropertyGridHost.ComboBox );
this.ActiveDesignSurfaceChanged += (object sender, ActiveDesignSurfaceChangedEventArgs e) =>
{
DesignSurfaceExt2 surface = e.NewSurface as DesignSurfaceExt2;
if (null == surface)
{
return;
}
UpdatePropertyGridHost(surface);
};
}
