Hi, Jordan
Show completion list could be turned off by automation model. like.
Properties properties = DTE.get_Properties("TextEditor", "CSharp");
//Properties properties2 = (Properties)properties.Item("Intellisense");
Property ShowCompletionList = properties.Item("AutoListMembers");<br/> ShowCompletionList = true;<br/>
You could turn it on by setting the ShowCompletionList to true.
Thanks
Chao