internal override void Write(GifWriter gifWriter)
 {
     gifWriter.WriteByte(0x21);
     gifWriter.WriteByte(0xFF);
     gifWriter.WriteByte(0x0B);
     gifWriter.WriteString(applicationIdentifier.PadRight(8));
     gifWriter.WriteString(applicationAuthenticationCode.PadRight(3));
     gifWriter.WriteByte(5);
     gifWriter.WriteByte(2);
     gifWriter.WriteUInt32(bufferSize);
     gifWriter.WriteByte(0);
 }
 internal override void Write(GifWriter gifWriter)
 {
     gifWriter.WriteByte(0x21);
     gifWriter.WriteByte(0xFF);
     gifWriter.WriteByte(0x0B);
     gifWriter.WriteString(applicationIdentifier.PadRight(8));
     gifWriter.WriteString(applicationAuthenticationCode.PadRight(3));
     gifWriter.WriteByte(5);
     gifWriter.WriteByte(2);
     gifWriter.WriteUInt32(bufferSize);
     gifWriter.WriteByte(0);
 }