/// <summary>
/// Get the desktop for a thread.
/// </summary>
/// <param name="thread_id">The thread ID of the thread.</param>
/// <param name="throw_on_error">True to throw on error.</param>
/// <returns>The desktop result.</returns>
public static NtResult <NtDesktop> GetThreadDesktop(int thread_id, bool throw_on_error)
{
var handle = NtSystemCalls.NtUserGetThreadDesktop(thread_id);
if (handle == IntPtr.Zero)
{
return(NtObjectUtils.CreateResultFromDosError <NtDesktop>(Marshal.GetLastWin32Error(), throw_on_error));
}
return(new NtDesktop(new SafeKernelObjectHandle(handle, false)).CreateResult());
}
/// <summary>
/// Open a window station by name.
/// </summary>
/// <param name="object_attributes">The object attributes for opening.</param>
/// <param name="desired_access">Desired access.</param>
/// <param name="throw_on_error">True to throw on error.</param>
/// <returns>The instance of the window station</returns>
/// <exception cref="NtException">Thrown on error.</exception>
public static NtResult <NtWindowStation> Open(ObjectAttributes object_attributes, WindowStationAccessRights desired_access, bool throw_on_error)
{
SafeKernelObjectHandle handle = NtSystemCalls.NtUserOpenWindowStation(object_attributes, desired_access);
if (handle.IsInvalid)
{
return(NtObjectUtils.CreateResultFromDosError <NtWindowStation>(Marshal.GetLastWin32Error(), throw_on_error));
}
return(new NtResult <NtWindowStation>(NtStatus.STATUS_SUCCESS, new NtWindowStation(handle)));
}
/// <summary>
/// Open the current process Window Station.
/// </summary>
/// <param name="throw_on_error">True to throw on error.</param>
/// <returns>The instance of the window station</returns>
/// <remarks>The returned object is no owned by the caller.</remarks>
/// <exception cref="NtException">Thrown on error.</exception>
public static NtResult <NtWindowStation> OpenCurrent(bool throw_on_error)
{
var handle = NtSystemCalls.NtUserGetProcessWindowStation();
if (handle == IntPtr.Zero)
{
return(NtObjectUtils.CreateResultFromDosError <NtWindowStation>(Marshal.GetLastWin32Error(), throw_on_error));
}
return(new NtResult <NtWindowStation>(NtStatus.STATUS_SUCCESS, new NtWindowStation(new SafeKernelObjectHandle(handle, false))));
}
/// <summary>
/// Create a new desktop.
/// </summary>
/// <param name="object_attributes">The object attributes for opening.</param>
/// <param name="flags">Flags for opening the desktop.</param>
/// <param name="desired_access">Desired access.</param>
/// <param name="throw_on_error">True to throw on error.</param>
/// <param name="device">Device name.</param>
/// <param name="dev_mode">Device mode.</param>
/// <param name="heap_size">Heap size.</param>
/// <returns>An instance of NtDesktop.</returns>
public static NtResult <NtDesktop> Create(ObjectAttributes object_attributes, string device,
IntPtr dev_mode, CreateDesktopFlags flags, DesktopAccessRights desired_access, int heap_size,
bool throw_on_error)
{
SafeKernelObjectHandle handle = NtSystemCalls.NtUserCreateDesktopEx(object_attributes,
device == null ? null : new UnicodeString(device),
dev_mode, flags, desired_access, heap_size);
if (handle.IsInvalid)
{
return(NtObjectUtils.CreateResultFromDosError <NtDesktop>(Marshal.GetLastWin32Error(), throw_on_error));
}
return(new NtResult <NtDesktop>(NtStatus.STATUS_SUCCESS, new NtDesktop(handle)));
}
private NtResult <string> GetClassName(bool real_name, bool throw_on_error)
{
using (var str = new UnicodeStringAllocated()) {
int length = NtSystemCalls.NtUserGetClassName(Handle, real_name, str);
if (length == 0)
{
return(NtObjectUtils.CreateResultFromDosError <string>(throw_on_error));
}
str.String.Length = (ushort)(length * 2);
return(str.ToString().CreateResult());
}
}
/// <summary>
/// Create a Window Station by name.
/// </summary>
/// <param name="object_attributes">Object attributes for the Window Station.</param>
/// <param name="desired_access">Desired access for the Window Station.</param>
/// <param name="kbd_dll_path">Path to Keyboard DLL e.g. kbusa.dll.</param>
/// <param name="keyboard_locale">Locale ID, e.g. 0x4090409.</param>
/// <param name="language_id">Language ID e.g. 0x409.</param>
/// <param name="throw_on_error">True to throw on error.</param>
/// <returns>The Window Station.</returns>
public static NtResult <NtWindowStation> Create(ObjectAttributes object_attributes, WindowStationAccessRights desired_access, string kbd_dll_path,
int language_id, int keyboard_locale, bool throw_on_error)
{
string dll_path;
IntPtr layout_offset;
IntPtr nls_offset;
using (var kbd_dll = SafeLoadLibraryHandle.LoadLibrary(kbd_dll_path, LoadLibraryFlags.None, throw_on_error))
{
if (!kbd_dll.IsSuccess)
{
return(kbd_dll.Cast <NtWindowStation>());
}
dll_path = kbd_dll.Result.FullPath;
layout_offset = GetKdbLayoutOffset(kbd_dll.Result, 1);
nls_offset = GetKdbLayoutOffset(kbd_dll.Result, 2);
}
using (var buffer = new SafeHGlobalBuffer(0x318))
{
BufferUtils.FillBuffer(buffer, 0);
using (var file = NtFile.Open(NtFileUtils.DosFileNameToNt(dll_path), null,
FileAccessRights.GenericRead | FileAccessRights.Synchronize, FileShareMode.Read | FileShareMode.Delete,
FileOpenOptions.NonDirectoryFile | FileOpenOptions.SynchronousIoNonAlert, throw_on_error))
{
if (!file.IsSuccess)
{
return(file.Cast <NtWindowStation>());
}
var handle = NtSystemCalls.NtUserCreateWindowStation(object_attributes, desired_access, file.Result.Handle,
layout_offset, nls_offset, buffer, new UnicodeString($"{language_id:X08}"), keyboard_locale);
if (handle.IsInvalid)
{
return(NtObjectUtils.CreateResultFromDosError <NtWindowStation>(throw_on_error));
}
return(new NtWindowStation(handle).CreateResult());
}
}
}