Custom Picker Editor Control

I have lookup column, but the data in this column is very large.I want to create a custom picker control like (people editor co开发者_如何学Pythonntrol) in sharepoint. Please help me. Thanks,

You'll have to create a custom field type to achieve that. Information from the source: http://msdn.microsoft.com/en-us/library/cc889345(office.12).aspx