private void RefreshPackage(int nPkgKey, ArrayList arrOldPkgKeys)
{
ReqTreeNode reqTreeNode;
int nPackageCount;
formProgressReqTree = new FormProgressReqTree();
formProgressReqTree.Show();
reqDBBrowser.RemovePkgs(arrOldPkgKeys);
reqTreeNode = reqDBBrowser.ReadReqTree(out nPackageCount, nPkgKey);
treeViewRq.ReplaceActualTree(reqTreeNode);
formProgressReqTree.Dispose();
formProgressReqTree = null;
}
