/// <summary>
/// Internal load icon.
/// </summary>
/// <param name="ptr">The pointer to load.</param>
/// <returns>True if successful.</returns>
/// <remarks></remarks>
private bool _internalLoadFromPtr(IntPtr ptr)
{
bool _internalLoadFromPtrRet = default;
// get the icon file header directory.
MemPtr mm = ptr;
_dir = mm.ToStruct <ICONDIR>();
int i;
int c = _dir.nImages - 1;
int f = Marshal.SizeOf <ICONDIRENTRY>();
int e = Marshal.SizeOf <ICONDIR>();
var optr = ptr;
if (_dir.nImages <= 0 || _dir.wReserved != 0 || 0 == (int)(_dir.wIconType & IconImageType.IsValid))
{
return(false);
}
_entries = new List <IconImageEntry>();
mm = mm + e;
for (i = 0; i < c; i++)
{
// load all images in sequence.
_entries.Add(new IconImageEntry(mm.ToStruct <ICONDIRENTRY>(), optr));
ptr = ptr + f;
}
_internalLoadFromPtrRet = true;
return(_internalLoadFromPtrRet);
}
/// <summary>
/// For Windows 8, retrieves the user's Microsoft login account information.
/// </summary>
/// <param name="machine">Computer on which to perform the enumeration. If this parameter is null, the local machine is assumed.</param>
/// <returns></returns>
/// <remarks></remarks>
public static UserInfo24[] EnumUsers24(string machine = null)
{
try
{
MemPtr rh = IntPtr.Zero;
int i = 0;
var uorig = EnumUsers11();
UserInfo24[] usas;
int c = uorig.Length;
usas = new UserInfo24[c];
for (i = 0; i < c; i++)
{
NetInfo.NetUserGetInfo(machine, uorig[i].Name, 24, ref rh);
usas[i] = rh.ToStruct <UserInfo24>();
rh.NetFree();
}
return(usas);
}
catch
{
throw new NativeException();
}
}
/// <summary>
/// Gets network information for the specified computer.
/// </summary>
/// <param name="computer">Computer for which to retrieve the information.</param>
/// <param name="info">A ServerInfo101 structure that receives the information.</param>
/// <remarks></remarks>
public static void GetServerInfo(string computer, ref ServerInfo101 info)
{
var mm = new MemPtr();
NetInfo.NetServerGetInfo(computer, 101, ref mm);
info = mm.ToStruct <ServerInfo101>();
mm.NetFree();
}
static SysInfo()
{
// let's get some version information!
var mm = new MemPtr();
GetNativeSystemInfo(ref nativeEnv);
_memInfo.dwLength = Marshal.SizeOf(_memInfo);
GlobalMemoryStatusEx(ref _memInfo);
// now let's figure out how many processors we have on this system
MemPtr org;
var lp = new SystemLogicalProcessorInformation();
SystemLogicalProcessorInformation[] rets;
int i;
int c;
// The maximum number of processors for any version of Windows is 128, we'll allocate more for extra information.
mm.Alloc(Marshal.SizeOf(lp) * 1024);
// record the original memory pointer
org = mm;
var lRet = (int)mm.Length;
GetLogicalProcessorInformation(mm, ref lRet);
c = (int)(lRet / (double)Marshal.SizeOf(lp));
rets = new SystemLogicalProcessorInformation[c];
nativeEnv.nop = 0;
for (i = 0; i < c; i++)
{
rets[i] = mm.ToStruct <SystemLogicalProcessorInformation>();
mm += Marshal.SizeOf(lp);
// what we're really after are the number of cores.
if (rets[i].Relationship == LogicalProcessorRelationship.RelationProcessorCore)
{
nativeEnv.nop++;
}
}
// store that data in case we need it for later.
_procRaw = rets;
// free our unmanaged resources.
org.Free();
}
public static SECURITY_DESCRIPTOR_REAL SecurityDescriptorToReal(SECURITY_DESCRIPTOR sd)
{
SECURITY_DESCRIPTOR_REAL SecurityDescriptorToRealRet = default;
var sr = new SECURITY_DESCRIPTOR_REAL();
MemPtr msacl = sd.Sacl;
MemPtr mdacl = sd.Dacl;
sr.Sacl = msacl.ToStruct <ACL>();
sr.Dacl = mdacl.ToStruct <ACL>();
SecurityDescriptorToRealRet = sr;
return(SecurityDescriptorToRealRet);
}
/// <summary>
/// Gets the members of the specified local group on the specified machine.
/// </summary>
/// <param name="computer">The computer for which to retrieve the information.</param>
/// <param name="group">The name of the group to enumerate.</param>
/// <param name="SidType">The type of group members to return.</param>
/// <returns>A list of group member names.</returns>
/// <remarks></remarks>
public static string[] LocalGroupUsers(string computer, string group, SidUsage SidType = SidUsage.SidTypeUser)
{
var mm = new MemPtr();
MemPtr op = new MemPtr();
int x = 0;
int cbt = 0;
int cb = 0;
string[] s = null;
try
{
var inul = new IntPtr();
if (NetInfo.NetLocalGroupGetMembers(computer, group, 1, ref mm, -1, ref cb, ref cbt, ref inul) == NET_API_STATUS.NERR_Success)
{
if (cb == 0)
{
mm.NetFree();
return(null);
}
op = mm;
UserLocalGroup1 z;
int i;
s = new string[cb];
for (i = 0; i < cb; i++)
{
z = mm.ToStruct <UserLocalGroup1>();
if (z.SidUsage == SidType)
{
s[x] = z.Name;
mm = mm + Marshal.SizeOf(z);
x += 1;
}
}
Array.Resize(ref s, x);
}
}
catch
{
throw new NativeException();
}
op.NetFree();
return(s);
}
public static SECURITY_DESCRIPTOR StringToSecurityDescriptor(string strSD)
{
SECURITY_DESCRIPTOR StringToSecurityDescriptorRet = default;
MemPtr ptr = IntPtr.Zero;
uint ls = 0U;
SECURITY_DESCRIPTOR sd;
IntPtr argSecurityDescriptor = ptr;
SecurityDescriptor.ConvertStringSecurityDescriptorToSecurityDescriptor(strSD, 1U, ref argSecurityDescriptor, ref ls);
sd = ptr.ToStruct <SECURITY_DESCRIPTOR>();
ptr.LocalFree();
StringToSecurityDescriptorRet = sd;
return(StringToSecurityDescriptorRet);
}
/// <summary>
/// Create a new image from the pointer.
/// </summary>
/// <param name="ptr">Pointer to the start of the ICONDIRENTRY structure.</param>
/// <remarks></remarks>
internal IconImageEntry(IntPtr ptr)
{
MemPtr mm = ptr;
_entry = mm.ToStruct <ICONDIRENTRY>();
ptr = ptr + _entry.dwOffset;
if (_entry.wBitsPixel < 24)
{
// Throw New InvalidDataException("Reading low-bit icons is not supported")
}
_image = new byte[_entry.dwImageSize];
Marshal.Copy(ptr, _image, 0, _entry.dwImageSize);
// MemCpy(_image, ptr, _entry.dwImageSize)
}
public static NETRESOURCE[] DoEnum(IntPtr lpNet)
{
NETRESOURCE[] DoEnumRet = default;
MemPtr mm = new MemPtr();
int cb = 10240;
NETRESOURCE[] bb = null;
NETRESOURCE[] nin = null;
IntPtr hEnum = IntPtr.Zero;
int e = 0;
e = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, RESOURCEUSAGE_ALL, lpNet, ref hEnum);
if (e != NO_ERROR)
{
return(null);
}
e = 0;
mm.ReAlloc(10240L);
int arglpcCount = 1;
while (WNetEnumResource(hEnum, ref arglpcCount, mm, ref cb) == NO_ERROR)
{
Array.Resize(ref bb, e + 1);
nin = DoEnum(mm.Handle);
bb[e] = mm.ToStruct <NETRESOURCE>();
if (nin is object)
{
bb = WNACat(bb, nin);
nin = null;
}
if (bb is object)
{
e = bb.Length;
}
else
{
e = 0;
}
}
mm.Free();
WNetCloseEnum(hEnum);
DoEnumRet = bb;
return(DoEnumRet);
}
static SysInfo()
{
// let's get some version information!
_memInfo.dwLength = Marshal.SizeOf(_memInfo);
GetNativeSystemInfo(ref _sysInfo);
GlobalMemoryStatusEx(ref _memInfo);
// now let's figure out how many processors we have on this system
var mm = new MemPtr();
MemPtr org;
var lp = new SYSTEM_LOGICAL_PROCESSOR_INFORMATION();
int lRet = 0;
SYSTEM_LOGICAL_PROCESSOR_INFORMATION[] rets;
int i;
int c;
// The maximum number of processors for any version of Windows is 128, we'll allocate more for extra information.
mm.Alloc(Marshal.SizeOf(lp) * 1024);
// record the original memory pointer
org = mm;
lRet = (int)mm.Length;
GetLogicalProcessorInformation(mm, ref lRet);
c = (int)(lRet / (double)Marshal.SizeOf(lp));
rets = new SYSTEM_LOGICAL_PROCESSOR_INFORMATION[c];
var loopTo = c - 1;
for (i = 0; i <= loopTo; i++)
{
rets[i] = mm.ToStruct <SYSTEM_LOGICAL_PROCESSOR_INFORMATION>();
mm += Marshal.SizeOf(lp);
// what we're really after are the number of cores.
if (rets[i].Relationship == LOGICAL_PROCESSOR_RELATIONSHIP.RelationProcessorCore)
{
_sysInfo.dwNumberOfProcessors += 1;
}
}
// store that data in case we need it for later.
_procRaw = rets;
// free our unmanaged resources.
org.Free();
}
/// <summary>
/// Retrieves the disk geometry of the specified disk.
/// </summary>
/// <param name="hfile">Handle to a valid, open disk.</param>
/// <param name="geo">Receives the disk geometry information.</param>
/// <returns></returns>
/// <remarks></remarks>
public static bool DiskGeometry(IntPtr hfile, ref DISK_GEOMETRY_EX geo)
{
if (hfile == DevProp.INVALID_HANDLE_VALUE)
{
return(false);
}
MemPtr mm = new MemPtr();
uint l = 0U;
uint cb = 0U;
l = (uint)Marshal.SizeOf <DISK_GEOMETRY_EX>();
mm.Alloc(l);
NativeDisk.DeviceIoControl(hfile, NativeDisk.IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, IntPtr.Zero, 0, mm.Handle, l, ref cb, IntPtr.Zero);
geo = mm.ToStruct <DISK_GEOMETRY_EX>();
mm.Free();
return(true);
}
/// <summary>
/// Enumerate users into a USER_INFO_11 structure.
/// </summary>
/// <param name="machine">Computer on which to perform the enumeration. If this parameter is null, the local machine is assumed.</param>
/// <returns></returns>
/// <remarks></remarks>
public static UserInfo11[] EnumUsers11(string machine = null)
{
try
{
int cb = 0;
int er = 0;
MemPtr rh = IntPtr.Zero;
int te = 0;
MemPtr buff = new MemPtr();
UserInfo11[] usas;
try
{
cb = Marshal.SizeOf <UserInfo11>();
}
catch
{
//Interaction.MsgBox(ex.Message + "\r\n" + "\r\n" + "Stack Trace: " + ex.StackTrace, MsgBoxStyle.Exclamation);
}
var inul = new IntPtr();
var err = NetInfo.NetUserEnum(machine, 11, 0, ref buff, -1, ref er, ref te, ref inul);
rh = buff;
usas = new UserInfo11[te];
for (int i = 0; i < te; i++)
{
usas[i] = buff.ToStruct <UserInfo11>();
usas[i].LogonHours = IntPtr.Zero;
buff = buff + cb;
}
rh.NetFree();
return(usas);
}
catch
{
throw new NativeException();
}
}
/// <summary>
/// Read a structure of type T from a stream
/// </summary>
/// <param name="stream"><see cref="Stream"/> object</param>
/// <param name="struct">The output struct of type T</param>
/// <returns>True if successful</returns>
public static bool ReadStruct <T>(Stream stream, ref T @struct) where T : struct
{
try
{
int a = Marshal.SizeOf <T>();
byte[] b;
b = new byte[a];
stream.Read(b, 0, a);
var gch = GCHandle.Alloc(b, GCHandleType.Pinned);
MemPtr mm = gch.AddrOfPinnedObject();
@struct = mm.ToStruct <T>();
gch.Free();
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// Enumerates users of a given group.
/// </summary>
/// <param name="computer">Computer for which to retrieve the information.</param>
/// <param name="group">Group to enumerate.</param>
/// <returns>An array of user names.</returns>
/// <remarks></remarks>
public static string[] GroupUsers(string computer, string group)
{
var mm = new MemPtr();
MemPtr op = new MemPtr();
int cbt = 0;
int cb = 0;
string[] s = null;
try
{
var inul = new IntPtr();
if (NetInfo.NetGroupGetUsers(computer, group, 0, ref mm, -1, ref cb, ref cbt, ref inul) == NET_API_STATUS.NERR_Success)
{
op = mm;
UserGroup0 z;
int i;
s = new string[cb];
for (i = 0; i < cb; i++)
{
z = mm.ToStruct <UserGroup0>();
s[i] = z.Name;
mm = mm + Marshal.SizeOf <UserGroup0>();
}
}
}
catch
{
throw new NativeException();
}
op.NetFree();
return(s);
}
public static VOLUME_DISK_EXTENTS FromPtr(IntPtr ptr)
{
VOLUME_DISK_EXTENTS FromPtrRet = default;
var ve = new VOLUME_DISK_EXTENTS();
int cb = Marshal.SizeOf <DISK_EXTENT>();
MemPtr m = ptr;
int i;
ve.NumberOfExtents = m.IntAt(0L);
ve.Space = m.IntAt(1L);
ve.Extents = new DISK_EXTENT[ve.NumberOfExtents];
m = m + 8;
var c = ve.NumberOfExtents;
for (i = 0; i < c; i++)
{
ve.Extents[i] = m.ToStruct <DISK_EXTENT>();
m = m + cb;
}
FromPtrRet = ve;
return(FromPtrRet);
}
/// <summary>
/// Construct an icon from the raw image data.
/// </summary>
/// <returns></returns>
/// <remarks></remarks>
private Icon _constructIcon()
{
Icon _constructIconRet = default;
if (_hIcon != IntPtr.Zero)
{
User32.DestroyIcon(_hIcon);
_hIcon = IntPtr.Zero;
}
MemPtr mm = (MemPtr)_image;
var bmp = mm.ToStruct <BITMAPINFOHEADER>();
IntPtr hBmp;
IntPtr ptr;
IntPtr ppBits = new IntPtr();
var lpicon = default(ICONINFO);
IntPtr hicon;
IntPtr hBmpMask = new IntPtr();
bool hasMask;
if (bmp.biHeight == bmp.biWidth * 2)
{
hasMask = true;
bmp.biHeight = (int)(bmp.biHeight / 2d);
}
else
{
hasMask = false;
}
bmp.biSizeImage = (int)(bmp.biWidth * bmp.biHeight * (bmp.biBitCount / 8d));
bmp.biXPelsPerMeter = (int)(24.5d * 1000d);
bmp.biYPelsPerMeter = (int)(24.5d * 1000d);
bmp.biClrUsed = 0;
bmp.biClrImportant = 0;
bmp.biPlanes = 1;
Marshal.StructureToPtr(bmp, mm.Handle, false);
ptr = mm.Handle + bmp.biSize;
if (bmp.biSize != 40)
{
return(null);
}
hBmp = User32.CreateDIBSection(IntPtr.Zero, mm.Handle, 0U, ref ppBits, IntPtr.Zero, 0);
Native.MemCpy(ptr, ppBits, bmp.biSizeImage);
if (hasMask)
{
ptr = ptr + bmp.biSizeImage;
bmp.biBitCount = 1;
bmp.biSizeImage = 0;
Marshal.StructureToPtr(bmp, mm.Handle, false);
hBmpMask = User32.CreateDIBSection(IntPtr.Zero, mm.Handle, 0U, ref ppBits, IntPtr.Zero, 0);
Native.MemCpy(ptr, ppBits, (long)(Math.Max(bmp.biWidth, 32) * bmp.biHeight / 8d));
}
lpicon.fIcon = 1;
lpicon.hbmColor = hBmp;
lpicon.hbmMask = hBmpMask;
hicon = User32.CreateIconIndirect(ref lpicon);
NativeShell.DeleteObject(hBmp);
if (hasMask)
{
NativeShell.DeleteObject(hBmpMask);
}
_constructIconRet = Icon.FromHandle(hicon);
_hIcon = hicon;
mm.Free();
return(_constructIconRet);
}
/// <summary>
/// Enumerate all display monitors.
/// </summary>
/// <returns>An array of PrinterDeviceInfo objects.</returns>
/// <remarks></remarks>
public static MonitorDeviceInfo[] EnumMonitors()
{
var minf = _internalEnumerateDevices <MonitorDeviceInfo>(DevProp.GUID_DEVINTERFACE_MONITOR, ClassDevFlags.DeviceInterface | ClassDevFlags.Present);
var mon = new Monitors();
DISPLAY_DEVICE dd;
dd.cb = (uint)Marshal.SizeOf <DISPLAY_DEVICE>();
var mm = new MemPtr();
mm.Alloc(dd.cb);
mm.UIntAt(0) = dd.cb;
if (minf is object && minf.Count() > 0)
{
foreach (var x in minf)
{
foreach (var y in mon)
{
if (MultiMon.EnumDisplayDevices(y.DevicePath, 0, mm, MultiMon.EDD_GET_DEVICE_INTERFACE_NAME))
{
dd = mm.ToStruct <DISPLAY_DEVICE>();
DEVMODE dev = new DEVMODE();
dev.dmSize = (ushort)Marshal.SizeOf <DEVMODE>();
dev.dmDriverExtra = 0;
var mm2 = new MemPtr(65535 + dev.dmSize);
var b = MultiMon.EnumDisplaySettingsEx(y.DevicePath, 0xffffffff, ref dev, 0);
if (!b)
{
var s = NativeErrorMethods.FormatLastError();
}
mm2.Free();
if (dd.DeviceID.ToUpper() == x.DevicePath.ToUpper())
{
x.Source = y;
break;
}
}
}
}
}
mm.Free();
if (minf is null)
{
return(null);
}
Array.Sort(minf, new Comparison <MonitorDeviceInfo>((x, y) => { if (x.FriendlyName is object && y.FriendlyName is object)
{
return(string.Compare(x.FriendlyName, y.FriendlyName));
}
else
{
return(string.Compare(x.Description, y.Description));
} }));
return(minf);
}