private void streamGenerator()
{
FileStream fs = GeneralFiler.getFS(Application.StartupPath + @"\\extinguishers.dat");
putin = new BinaryReader(fs);
putout = new BinaryWriter(fs);
}
public bool delete(Product t)
{
if (t == null)
{
throw new ArgumentException("Objeto nulo");
}
products = readAll();
putin.BaseStream.Seek(0, SeekOrigin.Begin);
int n = putin.ReadInt32();
int k = putin.ReadInt32();
if (!products.Remove(t))
{
throw new ArgumentException("El objeto no existe");
}
//resetear archivo
close();
GeneralFiler.resetFile();
streamCreator();
putout.BaseStream.Seek(0, SeekOrigin.Begin);
putout.Write(--n);
putout.Write(k);
int i = 0;
foreach (Product p in products)
{
long pos = 8 + (i * STREAM_SIZE);
putout.BaseStream.Seek(pos, SeekOrigin.Begin);
putout.Write(t.id);
putout.Write(nVarChar(t.name, 20));
putout.Write(t.qty);
putout.Write(t.price);
putout.Write(t.getType());
i++;
}
return(true);
}
private void streamCreator()
{
fs = GeneralFiler.getFS();
putin = new BinaryReader(fs);
putout = new BinaryWriter(fs);
}
