Changes:

- File / "File information" now shows information for all TV models
- Disabled "TV-Set" menu items which are not applicable
- Fixed DVB-S transponder/frequency information for LG LN and LA61xx series
- Fixed deleting channels in Samsung B-series Digital Air/Cable lists
- Fixed encryption information in Samsung B-series Digital Air/Cable lists
- Fixed loading of reference lists with non-unique channel identifiers
- Fixed error when saving LG files for models LD-LK after applying a
  reference list which contains channels not present in the TLL file

ChanSort.Loader.Panasonic/Serializer.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Data;
 using System.Data.SQLite;
 using System.IO;
+using System.Text;
 using System.Windows.Forms;
 using ChanSort.Api;
 
@@ -24,6 +25,7 @@ namespace ChanSort.Loader.Panasonic
     private byte[] fileHeader = new byte[0];
     private int dbSizeOffset;
     private bool littleEndianByteOrder = false;
+    private string charEncoding;
 
     enum CypherMode
     {
@@ -329,6 +331,7 @@ namespace ChanSort.Loader.Panasonic
       using (var conn = new SQLiteConnection(channelConnString))
       {
         conn.Open();
+        InitCharacterEncoding(conn);
         using (var cmd = conn.CreateCommand())
         {
           this.ReadChannels(cmd);
@@ -477,6 +480,17 @@ namespace ChanSort.Loader.Panasonic
     }
     #endregion
 
+    #region InitCharacterEncoding()
+    private void InitCharacterEncoding(SQLiteConnection conn)
+    {
+      using (var cmd = conn.CreateCommand())
+      {
+        cmd.CommandText = "PRAGMA encoding";
+        this.charEncoding = cmd.ExecuteScalar() as string;
+      }
+    }
+    #endregion
+
     #region ReadChannels()
     private void ReadChannels(SQLiteCommand cmd)
     {
@@ -639,5 +653,25 @@ order by s.ntype,major_channel
       data[data.Length - 4] = (byte)((checksum >> 24) & 0xFF);
     }
     #endregion
+
+    public override string GetFileInformation()
+    {
+      StringBuilder sb = new StringBuilder();
+      sb.Append(base.GetFileInformation());
+
+      sb.Append("Content type: ");
+      switch (this.GetCypherMode(this.FileName))
+      {
+        case CypherMode.None: sb.AppendLine("unencrypted SQLite database"); break;
+        case CypherMode.Encryption: sb.AppendLine("encrypted SQLite database"); break;
+        case CypherMode.HeaderAndChecksum: 
+          sb.AppendLine("embedded SQLite database");
+          sb.Append("Byte order: ").AppendLine(this.littleEndianByteOrder ? 
+            "little-endian (least significant byte first)" : "big-endian (most significant byte first)");
+          break;
+      }
+      sb.Append("Character encoding: ").AppendLine(this.charEncoding);
+      return sb.ToString();
+    }
   }
 }