/// <summary>
/// Get a list of accessible desktop objects.
/// </summary>
/// <param name="desired_access">The desired access for the desktops.</param>
/// <returns>The list of desktops.</returns>
public IEnumerable <NtDesktop> GetAccessibleDesktops(DesktopAccessRights desired_access)
{
using (var list = new DisposableList <NtDesktop>()) {
foreach (string desktop in Desktops)
{
using (ObjectAttributes obj_attr = new ObjectAttributes(desktop, AttributeFlags.CaseInsensitive, this)) {
var result = NtDesktop.Open(obj_attr, 0, desired_access, false);
if (result.IsSuccess)
{
list.Add(result.Result);
}
}
}
return(list.ToArrayAndClear());
}
}
/// <summary>
/// Get a list of accessible Window Station objects.
/// </summary>
/// <param name="desired_access">The desired access for the Window Stations.</param>
/// <returns>The list of desktops.</returns>
public static IEnumerable <NtWindowStation> GetAccessibleWindowStations(WindowStationAccessRights desired_access)
{
using (var list = new DisposableList <NtWindowStation>()) {
string base_path = GetWindowStationBase();
foreach (string name in WindowStations)
{
string full_path = $@"{base_path}\{name}";
using (ObjectAttributes obj_attr = new ObjectAttributes(full_path, AttributeFlags.CaseInsensitive)) {
var result = Open(obj_attr, desired_access, false);
if (result.IsSuccess)
{
list.Add(result.Result);
}
}
}
return(list.ToArrayAndClear());
}
}
/// <summary>
/// Gets all accessible threads on the system.
/// </summary>
/// <param name="desired_access">The desired access for each thread.</param>
/// <param name="from_system_info">Get the thread list from system information.</param>
/// <returns>The list of accessible threads.</returns>
public static IEnumerable <NtThread> GetThreads(ThreadAccessRights desired_access, bool from_system_info)
{
if (from_system_info)
{
return(NtSystemInfo.GetProcessInformation().SelectMany(p => p.Threads)
.Select(t => Open(t, desired_access, false)).SelectValidResults());
}
else
{
using (var threads = new DisposableList <NtThread>())
{
using (var procs = NtProcess.GetProcesses(ProcessAccessRights.QueryInformation).ToDisposableList())
{
foreach (var proc in procs)
{
threads.AddRange(proc.GetThreads(desired_access));
}
}
return(threads.ToArrayAndClear());
}
}
}