/// <summary>
/// Constructs a new instance of the class, based on
/// the specified plug-in component prototype.
/// </summary>
/// <param name="template"></param>
public AfxComponent(AfxComponentTemplate template)
{
// Assign a unique identifier to the component
// instance, for use in keeping track of connections
// betweeen individual components, and when the workflow
// needs to serializer a workflow out to a file, whatever:
this.Id = System.Guid.NewGuid();
// Retrieve the plug-in component's title from the
// prototype information:
this.Title = template.Name;
// Maintain a reference to the plug-in component's
// original prototype for use by the system later on:
this.Template = template;
// Retrieve the fully-qualified type name from the
// plug-in component's prototype:
var typeName = template.Type.FullName;
// Instantiate a new instance of the corresponding
// plug-in implementation type and maintain a local
// reference to it for later use:
this.Instance = CreateInstance(template);
}
private BitmapImage GetComponentBitmap(AfxComponentTemplate template, IAfxComponentCatalog catalog)
{
var resolver = catalog.GetComponentResolver(template.Resolver);
if (resolver != null)
{
return resolver.GetProperty(template.Id, "Component.Bitmap") as BitmapImage;
}
return null;
}
private IAfxComponent CreateInstance(AfxComponentTemplate template)
{
return template.Assembly.CreateInstance(template.Type.FullName) as IAfxComponent;
}
