public unsafe long Count(byte[] skey, byte[] ekey, ScanFilter sf)
{
ScanFilterStruct sfs = sf.sfs;
long * sfptr = (long *)&sfs;
int sklen = (skey != null) ? skey.Length : 0;
int eklen = (ekey != null) ? ekey.Length : 0;
long rc = BangDBNative.CountW(_wconnection, skey, sklen, ekey, eklen, (IntPtr)sfptr);
sf.skeyOp = sfs.skeyOp;
sf.ekeyOp = sfs.ekeyOp;
sf.skip_count = sfs.skip_count;
return(rc);
}
