void DisposeTmpPkg()
{
if (tmppkg != null)
{
tmppkg.Close();
SimPe.Packages.StreamFactory.CloseStream(tmppkg.SaveFileName);
if (tmppkg is SimPe.Packages.GeneratableFile)
{
((SimPe.Packages.GeneratableFile)tmppkg).Dispose();
}
}
tmppkg = null;
}