ICollection IComponentDiscoveryService.GetComponentTypes(IDesignerHost designerHost, System.Type baseType)
{
Hashtable hashtable = new Hashtable();
ToolboxItemCollection toolboxItems = ((IToolboxService)this).GetToolboxItems();
if (toolboxItems != null)
{
System.Type type = typeof(IComponent);
TypeDescriptionProviderService service = null;
TypeDescriptionProvider provider = null;
if (designerHost != null)
{
service = designerHost.GetService(typeof(TypeDescriptionProviderService)) as TypeDescriptionProviderService;
}
foreach (ToolboxItem item in toolboxItems)
{
System.Type c = item.GetType(designerHost);
if (((c != null) && type.IsAssignableFrom(c)) && ((baseType == null) || baseType.IsAssignableFrom(c)))
{
if (service != null)
{
provider = service.GetProvider(c);
if ((provider != null) && !provider.IsSupportedType(c))
{
continue;
}
}
hashtable[c] = c;
}
}
}
return(hashtable.Values);
}
void AddTargetFrameworkProvider(IComponent component)
{
TypeDescriptionProviderService typeDescriptionProviderService = GetService(typeof(TypeDescriptionProviderService)) as TypeDescriptionProviderService;
if (typeDescriptionProviderService != null && component != null)
{
TypeDescriptor.AddProvider(typeDescriptionProviderService.GetProvider(component), component);
}
}
private void AddTargetFrameworkProvider(IComponent component)
{
TypeDescriptionProviderService service = base.GetService(typeof(TypeDescriptionProviderService)) as TypeDescriptionProviderService;
if ((service != null) && (component != null))
{
TypeDescriptor.AddProvider(service.GetProvider(component), component);
}
}
private static TypeDescriptionProvider GetTargetFrameworkProvider(Type type)
{
TypeDescriptionProviderService service = TargetFrameworkUtil.TypeDescriptionProviderService;
if (service != null)
{
return(service.GetProvider(type));
}
return(null);
}
protected virtual Type GetType(string typeName)
{
Type runtimeType = this.GetRuntimeType(typeName);
if (runtimeType != null)
{
TypeDescriptionProviderService service = this.GetService(typeof(TypeDescriptionProviderService)) as TypeDescriptionProviderService;
if ((service != null) && !service.GetProvider(runtimeType).IsSupportedType(runtimeType))
{
runtimeType = null;
}
}
return(runtimeType);
}
private TypeDescriptionProvider GetTargetFrameworkProviderForType(Type type)
{
if (m_manager == null)
{
return(null);
}
TypeDescriptionProviderService service = m_manager.GetService(typeof(TypeDescriptionProviderService)) as TypeDescriptionProviderService;
if (service == null)
{
return(null);
}
return(service.GetProvider(type));
}
