I want to add screen-overlay in exsisting kml using c#.i have two kml file i merging them when i am going to do so new file contains two and tag is there any way to control this duplicacy ? or there any other way to add screen-overlay in exsisting kml using c#. thanks in advance..to merge i am using -
FStream1 = File.Open(sFile1, FileMode.Open);
FStream2 = File.Open(sFile2, FileMode.Open);
FStream3 = File.Open(sFile3, FileMode.Append);
byte[] FStream1Content = new byte[FStream1.Length];
byte[] FStream2Content = new byte[FStream2.Length];
FStream1.Read(FStream1Content, 0, (int)FStream1.Length);
FStream2.Read(FStream2Content, 0, (int)FStream2.Length);
FStream3.Write(FStream1Content, 0, (int)FStream1.Length);
FStream3.Write(FStream2Content, 0, (int)FStream2.Length);