Ответ 1
Вот код, который работает - в примере я заставил его искать слово "dummy" в папке рабочего стола:
string connectionString = "Provider=Search.CollatorDSO;Extended Properties=\"Application=Windows\"";
OleDbConnection connection = new OleDbConnection(connectionString);
string query = @"SELECT System.ItemName FROM SystemIndex " +
@"WHERE scope ='file:" + System.Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "' and FREETEXT('dummy')";
OleDbCommand command = new OleDbCommand(query, connection);
connection.Open();
List<string> result = new List<string>();
OleDbDataReader reader = command.ExecuteReader();
while (reader.Read())
{
result.Add(reader.GetString(0));
}
connection.Close();