Fast way to remove Duplicates in a Listview

I need help finding a method to quickly remove duplicate entries withen a Listview. Excellent Rating and Feedback will be given in return. ///////////////////UPDATED/////////////////////////// I've been getting bids for $, this is only a personal project/obstacle and am only seeking friendly assistance at this time. In response to the Inquiries: Q. What view are you using? (Icon, Small Icon, List or Report) A. Report Q. Where are the duplicates? (Main Item or Sub Items) A. Main Item Q. What data type does the duplicates consist of? (Text, Date, Numeric) A. Numeric Q. Exactly how fast is fast? A. At this point I'll settle for any example and if it's notfast enough I will attempt to improve it. Q. How many records are there? A. Lots...Up to 50,000 Q. How are you populating the ListView? A. I am populating the ListView with a .txt file (Not a database) ///////////////////////////////////////////////////// ## Deliverables None ## Platform Visual Basic 6.0 ## Deadline information Any Suggestions and help are appreciated.