ME3Explorer.PackageEditor.replaceWithBINToolStripMenuItem_Click C# (CSharp) Method

        private void replaceWithBINToolStripMenuItem_Click(object sender, EventArgs e)
        {
            int n;
            if (pcc == null || !GetSelected(out n) || n < 0)
            {
                return;
            }
            OpenFileDialog d = new OpenFileDialog();
            d.Filter = "*.BIN|*.BIN";
            if (d.ShowDialog() == DialogResult.OK)
            {
                FileStream fs = new FileStream(d.FileName, FileMode.Open, FileAccess.Read);
                byte[] buff = new byte[fs.Length];
                for (int i = 0; i < fs.Length; i++)
                    buff[i] = (byte)fs.ReadByte();
                fs.Close();
                pcc.getExport(n).Data = buff;
                MessageBox.Show("Done.");
            }
        }