//public static byte[] CompressStream(object obj)
//{
// byte[] b;
// BinaryFormatter bf = new BinaryFormatter();
// using (MemoryTributary objStream = new MemoryTributary())
// {
// // using (MemoryTributary ms = new MemoryTributary())
// using (System.IO.Compression.DeflateStream objZS = new System.IO.Compression.DeflateStream(objStream, System.IO.Compression.CompressionMode.Compress))
// {
// bf.Serialize(objZS, obj);
// // ms.Position = 0;
// // ms.CopyTo(objZS);
// };
// b = objStream.ToArray();
// };
// return b;
//}
public static byte[] CompressStream(DataSet ds, bool includeSchema)
{
XmlWriteMode xwm;
if (includeSchema)
{
xwm = XmlWriteMode.WriteSchema;
}
else
{
xwm = XmlWriteMode.IgnoreSchema;
}
byte[] b;
using (MemoryTributary objStream = new MemoryTributary())
{
using (System.IO.Compression.DeflateStream deflateStream = new System.IO.Compression.DeflateStream(objStream, System.IO.Compression.CompressionMode.Compress))
{
ds.WriteXml(deflateStream, xwm);
};
b = objStream.ToArray();
};
return(b);
}
public static DataSet DecompressDataSet(byte[] bytDs)
{
//Debug.Write(bytDs.Length.ToString());
DataSet outDs = new DataSet();
using (MemoryTributary inMs = new MemoryTributary(bytDs))
{
inMs.Seek(0, 0);
using (DeflateStream zipStream = new DeflateStream(inMs, CompressionMode.Decompress, true))
{
// outDs.ReadXml(zipStream, XmlReadMode.DiffGram);
BinaryFormatter bf = new BinaryFormatter();
outDs = (DataSet)bf.Deserialize(zipStream, null);
}
}
return(outDs);
}
