NSView并即时加载子视图

To get a sense of what I'm doing without posting pages of code... I have an NSOperation that I'm using to process files as they are added to a folder. In that NSOperation I'm using the NSNotificationCenter to send notifications to an NSView whenever a new job is started. The idea is, that I want to add a new subview to give me some information about the job that just started. The problem is I can't seem to get new subviews to draw. Here is what I have right now.To get a sense of what I'm doing without postin