public Form1() { InitializeComponent(); m_db = new Database(); m_fileExplorer = new FileExplorer(); sqlForm.Init(m_db); typeof(DataGridView).InvokeMember( "DoubleBuffered", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.SetProperty, null, dataGridView1, new object[] { true } ); //tsst //dataGridView1. }
private void CalculateMd5ForAllFiles(Action <string> UpdateAction) { int nbResults = 0; int i = 0; using (SqlCeCommand cmd = new SqlCeCommand($@"SELECT COUNT(Id) FROM Files WHERE checksum = '' OR checksum IS NULL", m_connection)) { SqlCeDataReader reader = cmd.ExecuteReader(); reader.Read(); nbResults = reader.GetFieldValue <int>(0); } SqlCeTransaction transaction = m_connection.BeginTransaction(); using (SqlCeCommand cmd = new SqlCeCommand($@"SELECT Id, name, path, size, checksum FROM Files WHERE checksum = '' OR checksum IS NULL", m_connection)) { SqlCeDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { if (m_bStop) { return; } i++; int Id = Convert.ToInt32(reader["Id"]); long s = Convert.ToInt64(reader["size"]); string p = Convert.ToString(reader["path"]); string n = Convert.ToString(reader["name"]); p = Path.Combine(p, n); UpdateAction.Invoke($"Calculate CRC {i}/{nbResults} for {p} ({FileExplorer.GetFormattedSize(s)})"); string fileChecksum = CalculateMD5(p, s); SqlCeCommand cmdUpdate = new SqlCeCommand($@"UPDATE Files SET checksum = @checksum WHERE Id = @Id", m_connection); cmdUpdate.Parameters.Add("@Id", System.Data.SqlDbType.Int).Value = Id; cmdUpdate.Parameters.Add("@checksum", System.Data.SqlDbType.NVarChar).Value = fileChecksum; cmdUpdate.ExecuteNonQuery(); } transaction.Commit(); } }