I believe that SQLite.NET does not support the creation of full-text indexes, but supports the creation of regular indexes.
In any case, you can try to execute any custom SQL code with:
<YOUR_SUBCLASS_OF_SQLiteConnection>.Execute(<YOUR_SQL_CODE>);
Example:
public class LocalDatabase: SQLiteConnection { ... public LocalDatabase (string path) : base(path) { ... Execute("CREATE VIRTUAL TABLE \"MyTable\" USING FTS3 ..."); ... } ... }
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