/// <summary>
/// Updates the children of a node.
/// </summary>
private void FetchChildren(TreeNode parent)
{
// get rid of existing children.
parent.Nodes.Clear();
// check for a valid node.
ContainerInfo info = parent.Tag as ContainerInfo;
if (info == null)
{
return;
}
// the node type is used to determine what children exist.
switch (info.Type)
{
case ContainerInfoType.Root:
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.TopLevelStore, "Local Machine");
childInfo.StoreType = WindowsStoreType.LocalMachine;
AddNode(parent, childInfo);
childInfo = new ContainerInfo(ContainerInfoType.TopLevelStore, "Current User");
childInfo.StoreType = WindowsStoreType.CurrentUser;
AddNode(parent, childInfo);
childInfo = new ContainerInfo(ContainerInfoType.TopLevelStore, "Services");
childInfo.StoreType = WindowsStoreType.Service;
AddNode(parent, childInfo);
childInfo = new ContainerInfo(ContainerInfoType.TopLevelStore, "Users");
childInfo.StoreType = WindowsStoreType.User;
AddNode(parent, childInfo);
break;
}
case ContainerInfoType.TopLevelStore:
{
if (info.StoreType == WindowsStoreType.Service)
{
foreach (ServiceController service in ServiceController.GetServices())
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.Service, service.DisplayName);
childInfo.StoreType = WindowsStoreType.Service;
childInfo.Service = service;
AddNode(parent, childInfo);
}
break;
}
if (info.StoreType == WindowsStoreType.User)
{
IList <AccountInfo> users = AccountInfo.Query(null);
foreach (AccountInfo user in users)
{
if (user.SidType == AccountSidType.User)
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.User, user.Name);
childInfo.StoreType = WindowsStoreType.User;
childInfo.Account = user;
AddNode(parent, childInfo);
}
}
break;
}
foreach (WindowsCertificateStore store in WindowsCertificateStore.EnumerateStores(info.StoreType, null, null))
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.Store, store.DisplayName);
childInfo.StoreType = info.StoreType;
childInfo.CertificateStore = store;
AddNode(parent, childInfo);
}
break;
}
case ContainerInfoType.Service:
{
if (info.Service == null)
{
break;
}
foreach (WindowsCertificateStore store in WindowsCertificateStore.EnumerateStores(info.StoreType, null, info.Service.ServiceName))
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.Store, store.DisplayName);
childInfo.StoreType = info.StoreType;
childInfo.CertificateStore = store;
AddNode(parent, childInfo);
}
break;
}
case ContainerInfoType.User:
{
if (info.Account == null)
{
break;
}
foreach (WindowsCertificateStore store in WindowsCertificateStore.EnumerateStores(info.StoreType, null, info.Account.Sid))
{
ContainerInfo childInfo = new ContainerInfo(ContainerInfoType.Store, store.DisplayName);
childInfo.StoreType = info.StoreType;
childInfo.CertificateStore = store;
AddNode(parent, childInfo);
}
break;
}
}
// add a dummy child to show the + sign.
foreach (TreeNode child in parent.Nodes)
{
child.Nodes.Add(new TreeNode());
}
}
