case SecurityEntity.SE_SYSTEM_ENVIRONMENT_NAME:

        case SecurityEntity.SE_SYSTEM_PROFILE_NAME:

      SE_SYSTEM_PROFILE_NAME,

      SE_SYSTEM_ENVIRONMENT_NAME,

    /// for ACCESS_SYSTEM_SECURITY access, and then disable the privilege.

    ACCESS_SYSTEM_SECURITY = ACCESS_MASK.ACCESS_SYSTEM_SECURITY,

    SERVICE_FILE_SYSTEM_DRIVER = 0x00000002,

    SERVICE_SYSTEM_START = 0x00000001,

    ''' for ACCESS_SYSTEM_SECURITY access and then disable the privilege.

    ACCESS_SYSTEM_SECURITY = ACCESS_MASK.ACCESS_SYSTEM_SECURITY

    SERVICE_FILE_SYSTEM_DRIVER = &H2

    SERVICE_SYSTEM_START = &H1

        CREATE_IGNORE_SYSTEM_DEFAULT    = 0x80000000,

    CREATE_IGNORE_SYSTEM_DEFAULT = &H80000000

      private enum ServiceType { SERVICE_KERNEL_DRIVER = 0x1, SERVICE_FILE_SYSTEM_DRIVER = 0x2, SERVICE_WIN32_OWN_PROCESS = 0x10, SERVICE_WIN32_SHARE_PROCESS = 0x20, SERVICE_INTERACTIVE_PROCESS = 0x100, SERVICETYPE_NO_CHANGE = SERVICE_NO_CHANGE, SERVICE_WIN32 = (SERVICE_WIN32_OWN_PROCESS | SERVICE_WIN32_SHARE_PROCESS) }

public const string SE_SYSTEM_ENVIRONMENT_NAME = "SeSystemEnvironmentPrivilege";

public const string SE_SYSTEM_PROFILE_NAME = "SeSystemProfilePrivilege";

    int GetStatus(                      out uint       hrStatus);  //uses WORK_ITEM_STATUS

    TASK_FLAG_SYSTEM_REQUIRED          = 0x1000,

    public enum WORK_ITEM_STATUS

        /// pages (using VirtualAlloc with MEM_COMMIT) changes this value immediately; however,

    COMMON_OEM_LINKS = &H3A

  IntPtr status = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(SYSTEM_BATTERY_STATE)));

    (UInt32)Marshal.SizeOf(typeof(SYSTEM_BATTERY_STATE))

  SYSTEM_BATTERY_STATE batt_status = (SYSTEM_BATTERY_STATE)Marshal.PtrToStructure(status, typeof(SYSTEM_BATTERY_STATE));

static extern bool GetPwrCapabilities(out SYSTEM_POWER_CAPABILITIES systemPowerCapabilites);

SYSTEM_POWER_CAPABILITIES

    static extern bool GetPwrCapabilities(out SYSTEM_POWER_CAPABILITIES systemPowerCapabilites);

    static SYSTEM_POWER_CAPABILITIES systemPowerCapabilites;

        GetPwrCapabilities(out SYSTEM_POWER_CAPABILITIES);

    ACCESS_SYSTEM_SECURITY = 0x01000000,

    ACCESS_SYSTEM_SECURITY = &H1000000

    /// <summary>Reserved for future use. System-alarm ACE that uses the SYSTEM_ALARM_ACE structure.</summary>

    SYSTEM_ALARM = 0x3,

    /// <summary>Reserved for future use. System-alarm callback ACE that uses the SYSTEM_ALARM_CALLBACK_ACE structure.</summary>

    SYSTEM_ALARM_CALLBACK = 0xE,

    /// <summary>Reserved for future use. Object-specific system-alarm callback ACE that uses the SYSTEM_ALARM_CALLBACK_OBJECT_ACE structure.</summary>

    SYSTEM_ALARM_CALLBACK_OBJECT = 0x10,

    /// <summary>Reserved for future use. Object-specific system-alarm ACE that uses the SYSTEM_ALARM_OBJECT_ACE structure.</summary>

    SYSTEM_ALARM_OBJECT = 0x8,

    /// <summary>System-audit ACE that uses the SYSTEM_AUDIT_ACE structure.</summary>

    SYSTEM_AUDIT = 0x2,

    /// <summary>System-audit callback ACE that uses the SYSTEM_AUDIT_CALLBACK_ACE structure.</summary>

    SYSTEM_AUDIT_CALLBACK = 0xD,

    /// <summary>Object-specific system-audit callback ACE that uses the SYSTEM_AUDIT_CALLBACK_OBJECT_ACE structure.</summary>

    SYSTEM_AUDIT_CALLBACK_OBJECT = 0xF,

    /// <summary>Object-specific system-audit ACE that uses the SYSTEM_AUDIT_OBJECT_ACE structure.</summary>

    SYSTEM_AUDIT_OBJECT = 0x7,

    /// <summary>Mandatory label ACE that uses the SYSTEM_MANDATORY_LABEL_ACE structure.</summary>

    SYSTEM_MANDATORY_LABEL = 0x11

    ''' <summary>Reserved for future use. System-alarm ACE that uses the SYSTEM_ALARM_ACE structure.</summary>

    SYSTEM_ALARM = &H3

    ''' <summary>Reserved for future use. System-alarm callback ACE that uses the SYSTEM_ALARM_CALLBACK_ACE structure.</summary>

    SYSTEM_ALARM_CALLBACK = &HE

    ''' <summary>Reserved for future use. Object-specific system-alarm callback ACE that uses the SYSTEM_ALARM_CALLBACK_OBJECT_ACE structure.</summary>

    SYSTEM_ALARM_CALLBACK_OBJECT = &H10

    ''' <summary>Reserved for future use. Object-specific system-alarm ACE that uses the SYSTEM_ALARM_OBJECT_ACE structure.</summary>

    SYSTEM_ALARM_OBJECT = &H8

    ''' <summary>System-audit ACE that uses the SYSTEM_AUDIT_ACE structure.</summary>

    SYSTEM_AUDIT = &H2

    ''' <summary>System-audit callback ACE that uses the SYSTEM_AUDIT_CALLBACK_ACE structure.</summary>

    SYSTEM_AUDIT_CALLBACK = &HD

    ''' <summary>Object-specific system-audit callback ACE that uses the SYSTEM_AUDIT_CALLBACK_OBJECT_ACE structure.</summary>

    SYSTEM_AUDIT_CALLBACK_OBJECT = &HF

    ''' <summary>Object-specific system-audit ACE that uses the SYSTEM_AUDIT_OBJECT_ACE structure.</summary>

    SYSTEM_AUDIT_OBJECT = &H7

    ''' <summary>Mandatory label ACE that uses the SYSTEM_MANDATORY_LABEL_ACE structure.</summary>

    SYSTEM_MANDATORY_LABEL = &H11

    STATE_SYSTEM_NONE = 0,

    STATE_SYSTEM_INVISIBLE = 0x00008000,

    STATE_SYSTEM_PRESSED = 0x00000008

    CSIDL_COMMON_OEM_LINKS      = 0x003a,

    CSIDL_COMMON_OEM_LINKS = &H3A

    /// <summary> Windows will send an EM_SETSEL message to the control to select its contents. </summary>

    GMEM_FIXED = 0x0000,

     GMEM_MOVEABLE = 0x0002,      

     GMEM_ZEROINIT = 0x0040,

     GMEM_MODIFY = 0x0080,        

     GMEM_VALID_FLAGS = 0x7F72,

     GMEM_INVALID_HANDLE = 0x8000,

     GHND = (GMEM_MOVEABLE | GMEM_ZEROINIT),

     GPTR = (GMEM_FIXED | GMEM_ZEROINIT),

     GMEM_DDESHARE = 0x2000,

     GMEM_DISCARDABLE = 0x0100,

     GMEM_LOWER = GMEM_NOT_BANKED,

     GMEM_NOCOMPACT = 0x0010,

     GMEM_NODISCARD = 0x0020,

     GMEM_NOT_BANKED = 0x1000,

     GMEM_NOTIFY = 0x4000,

     GMEM_SHARE = 0x2000

    GMEM_FIXED = 0x0000,

     GMEM_MOVEABLE = 0x0002,      

     GMEM_ZEROINIT = 0x0040,

     GMEM_MODIFY = 0x0080,        

     GMEM_VALID_FLAGS = 0x7F72,

     GMEM_INVALID_HANDLE = 0x8000,

     GHND = (GMEM_MOVEABLE | GMEM_ZEROINIT),

     GPTR = (GMEM_FIXED | GMEM_ZEROINIT),

     GMEM_DDESHARE = 0x2000,

     GMEM_DISCARDABLE = 0x0100,

     GMEM_LOWER = GMEM_NOT_BANKED,

     GMEM_NOCOMPACT = 0x0010,

     GMEM_NODISCARD = 0x0020,

     GMEM_NOT_BANKED = 0x1000,

     GMEM_NOTIFY = 0x4000,

     GMEM_SHARE = 0x2000

    public const int MEM_E_INVALID_ROOT = unchecked((int)0x80080009);

    public const int MEM_E_INVALID_LINK = unchecked((int)0x80080010);

    public const int MEM_E_INVALID_SIZE = unchecked((int)0x80080011);

    public const int SEC_E_CRYPTO_SYSTEM_INVALID = unchecked((int)0x80090337);

    public const int OSS_MEM_ERROR = unchecked((int)0x8009300E);

    public const int OSS_MEM_MGR_DLL_NOT_LINKED = unchecked((int)0x80093026);

    public const int TRUST_E_SYSTEM_ERROR = unchecked((int)0x80096001);

    public const int SPAPI_E_NO_CATALOG_FOR_OEM_INF = unchecked((int)0x800F022F);

    public const int SPAPI_E_SET_SYSTEM_RESTORE_POINT = unchecked((int)0x800F0236);

    public const int SCARD_E_SYSTEM_CANCELLED = unchecked((int)0x80100012);

    Public Const MEM_E_INVALID_ROOT As Integer = CInt(&H80080009UI)

    Public Const MEM_E_INVALID_LINK As Integer = CInt(&H80080010UI)

    Public Const MEM_E_INVALID_SIZE As Integer = CInt(&H80080011UI)

    Public Const SEC_E_CRYPTO_SYSTEM_INVALID As Integer = CInt(&H80090337UI)

    Public Const OSS_MEM_ERROR As Integer = CInt(&H8009300eUI)

    Public Const OSS_MEM_MGR_DLL_NOT_LINKED As Integer = CInt(&H80093026UI)

    Public Const TRUST_E_SYSTEM_ERROR As Integer = CInt(&H80096001UI)

    Public Const SPAPI_E_NO_CATALOG_FOR_OEM_INF As Integer = CInt(&H800f022fUI)

    Public Const SPAPI_E_SET_SYSTEM_RESTORE_POINT As Integer = CInt(&H800f0236UI)

    Public Const SCARD_E_SYSTEM_CANCELLED As Integer = CInt(&H80100012UI)

    LMEM_FIXED = 0x0000,

    LMEM_MOVEABLE = 0x0002,

    LMEM_NOCOMPACT = 0x0010,

    LMEM_NODISCARD = 0x0020,

    LMEM_ZEROINIT = 0x0040,

    LMEM_MODIFY = 0x0080,

    LMEM_DISCARDABLE = 0x0F00,

    LMEM_VALID_FLAGS = 0x0F72,

    LMEM_INVALID_HANDLE = 0x8000,

    LHND = (LMEM_MOVEABLE | LMEM_ZEROINIT),

    LPTR = (LMEM_FIXED | LMEM_ZEROINIT),

    NONZEROLHND = (LMEM_MOVEABLE),

    NONZEROLPTR = (LMEM_FIXED),

    /// To read or write the SACL, you must request the ACCESS_SYSTEM_SECURITY access right. For more information, see SACL Access Right.

        ERROR_SYSTEM_SUSPENDED,

    SERVICE_FILE_SYSTEM_DRIVER = 0x00000002,

    SERVICE_FILE_SYSTEM_DRIVER = &H2

    VK_OEM_NEC_EQUAL = &H92     ' // [NEC_Equal] = 146    ' NEC PC-9800 kbd definitions "=" key on numpad

    VK_OEM_FJ_JISHO = &H92      ' // [Fujitsu_Masshou] = 146    ' Fujitsu/OASYS kbd definitions "Dictionary" key

    VK_OEM_FJ_MASSHOU = &H93    ' // [Fujitsu_Masshou] = 147    ' Fujitsu/OASYS kbd definitions "Unregister word" key

    VK_OEM_FJ_TOUROKU = &H94    ' // [Fujitsu_Touroku] = 148    ' Fujitsu/OASYS kbd definitions "Register word" key  

    VK_OEM_FJ_LOYA = &H95       ' // [Fujitsu_Loya] = 149    ' Fujitsu/OASYS kbd definitions "Left OYAYUBI" key

    VK_OEM_FJ_ROYA = &H96       ' // [Fujitsu_Roya] = 150    ' Fujitsu/OASYS kbd definitions "Right OYAYUBI" key

    VK_OEM_1 = &HBA         ' // [Oem1] = 186           ' ";:" for USA

    VK_OEM_PLUS = &HBB      ' // [Oemplus] = 187        ' "+" any country

    VK_OEM_COMMA = &HBC     ' // [Oemcomma] = 188       ' "," any country

    VK_OEM_MINUS = &HBD     ' // [OemMinus] = 189       ' "-" any country

    VK_OEM_PERIOD = &HBE    ' // [OemPeriod] = 190      ' "." any country

    VK_OEM_2 = &HBF         ' // [Oem2] = 191           ' "/?" for USA

    VK_OEM_3 = &HC0         ' // [Oem3] = 192           ' "'~" for USA

    VK_OEM_4 = &HDB         ' // [Oem4] = 219           ' "[{" for USA

    VK_OEM_5 = &HDC         ' // [Oem5] = 220           ' "\|" for USA

    VK_OEM_6 = &HDD         ' // [Oem6] = 221           ' "]}" for USA

    VK_OEM_7 = &HDE         ' // [Oem7] = 222           ' "'"" for USA

    VK_OEM_8 = &HDF         ' // [Oem8] = 223

    VK_OEM_AX = &HE1        ' // [OEMAX] = 225          ' "AX" key on Japanese AX kbd

    VK_OEM_102 = &HE2       ' // [Oem102] = 226         ' "<>" or "\|" on RT 102-key kbd

    VK_OEM_RESET = &HE9     ' // [OEMReset] = 233

    VK_OEM_JUMP = &HEA      ' // [OEMJump] = 234

    VK_OEM_PA1 = &HEB       ' // [OEMPA1] = 235

    VK_OEM_PA2 = &HEC       ' // [OEMPA2] = 236

    VK_OEM_PA3 = &HED       ' // [OEMPA3] = 237

    VK_OEM_WSCTRL = &HEE    ' // [OEMWSCtrl] = 238

    VK_OEM_CUSEL = &HEF     ' // [OEMCUSel] = 239

    VK_OEM_ATTN = &HF0      ' // [OEMATTN] = 240

    VK_OEM_FINISH = &HF1    ' // [OEMFinish] = 241

    VK_OEM_COPY = &HF2      ' // [OEMCopy] = 242

    VK_OEM_AUTO = &HF3      ' // [OEMAuto] = 243

    VK_OEM_ENLW = &HF4      ' // [OEMENLW] = 244

    VK_OEM_BACKTAB = &HF5       ' // [OEMBackTab] = 245

    VK_OEM_CLEAR = &HFE     ' // [OemClear] = 254

        OEM_1 = 0xBA,

        OEM_PLUS = 0xBB,

        OEM_COMMA = 0xBC,

        OEM_MINUS = 0xBD,

        OEM_PERIOD = 0xBE,

        OEM_2 = 0xBF,

        OEM_3 = 0xC0,

        OEM_4 = 0xDB,

        OEM_5 = 0xDC,

        OEM_6 = 0xDD,

        OEM_7 = 0xDE,

        OEM_8 = 0xDF,

        OEM_102 = 0xE2,

        OEM_CLEAR = 0xFE  

    OEM_1 = 186

    OEM_PLUS = 187

    OEM_COMMA = 188

    OEM_MINUS = 189

    OEM_PERIOD = 190

    OEM_2 = 191

    OEM_3 = 192

    OEM_4 = 219

    OEM_5 = 220

    OEM_6 = 221

    OEM_7 = 222

    OEM_8 = 223

    OEM_102 = 226

    OEM_CLEAR = 254

    STATE_SYSTEM_NONE = 0,

    STATE_SYSTEM_INVISIBLE = 0x00008000,

    STATE_SYSTEM_PRESSED = 0x00000008

     STATE_SYSTEM_NONE = 0

     STATE_SYSTEM_INVISIBLE = &H8000

     STATE_SYSTEM_PRESSED = &H8

                VK_OEM_NEC_EQUAL = 0x92, // '=' key on numpad

                VK_OEM_FJ_JISHO = 0x92, // 'Dictionary' key

                VK_OEM_FJ_MASSHOU = 0x93, // 'Unregister word' key

                VK_OEM_FJ_TOUROKU = 0x94, // 'Register word' key

                VK_OEM_FJ_LOYA = 0x95, // 'Left OYAYUBI' key

                VK_OEM_FJ_ROYA = 0x96, // 'Right OYAYUBI' key

                VK_OEM_1 = 0xBA, // ';:' for US

                VK_OEM_PLUS = 0xBB, // '+' any country

                VK_OEM_COMMA = 0xBC, // ',' any country

                VK_OEM_MINUS = 0xBD, // '-' any country

                VK_OEM_PERIOD = 0xBE, // '.' any country

                VK_OEM_2 = 0xBF, // '/?' for US

                VK_OEM_3 = 0xC0, // '`~' for US

                VK_OEM_4 = 0xDB, // '[{' for US

                VK_OEM_5 = 0xDC, // '\|' for US

                VK_OEM_6 = 0xDD, // ']}' for US

                VK_OEM_7 = 0xDE, // ''"' for US

                VK_OEM_8 = 0xDF,

                VK_OEM_AX = 0xE1, // 'AX' key on Japanese AX kbd

                VK_OEM_102 = 0xE2, // "<>" or "\|" on RT 102-key kbd.

                VK_OEM_RESET = 0xE9,

                VK_OEM_JUMP = 0xEA,

                VK_OEM_PA1 = 0xEB,

                VK_OEM_PA2 = 0xEC,

                VK_OEM_PA3 = 0xED,

                VK_OEM_WSCTRL = 0xEE,

                VK_OEM_CUSEL = 0xEF,

                VK_OEM_ATTN = 0xF0,

                VK_OEM_FINISH = 0xF1,

                VK_OEM_COPY = 0xF2,

                VK_OEM_AUTO = 0xF3,

                VK_OEM_ENLW = 0xF4,

                VK_OEM_BACKTAB = 0xF5,

                VK_OEM_CLEAR = 0xFE

    VK_OEM_NEC_EQUAL = 0x92,   // '=' key on numpad

    VK_OEM_FJ_JISHO  = 0x92,   // 'Dictionary' key

    VK_OEM_FJ_MASSHOU= 0x93,   // 'Unregister word' key

    VK_OEM_FJ_TOUROKU= 0x94,   // 'Register word' key

    VK_OEM_FJ_LOYA   = 0x95,   // 'Left OYAYUBI' key

    VK_OEM_FJ_ROYA   = 0x96,   // 'Right OYAYUBI' key

    VK_OEM_1     = 0xBA,   // ';:' for US

    VK_OEM_PLUS      = 0xBB,   // '+' any country

    VK_OEM_COMMA     = 0xBC,   // ',' any country

    VK_OEM_MINUS     = 0xBD,   // '-' any country

    VK_OEM_PERIOD    = 0xBE,   // '.' any country

    VK_OEM_2     = 0xBF,   // '/?' for US

    VK_OEM_3     = 0xC0,   // '`~' for US

    VK_OEM_4     = 0xDB,  //  '[{' for US

    VK_OEM_5     = 0xDC,  //  '\|' for US

    VK_OEM_6     = 0xDD,  //  ']}' for US

    VK_OEM_7     = 0xDE,  //  ''"' for US

    VK_OEM_8     = 0xDF,

    VK_OEM_AX    = 0xE1,  //  'AX' key on Japanese AX kbd

    VK_OEM_102       = 0xE2,  //  "<>" or "\|" on RT 102-key kbd.

    VK_OEM_RESET     = 0xE9,

    VK_OEM_JUMP      = 0xEA,

    VK_OEM_PA1       = 0xEB,

    VK_OEM_PA2       = 0xEC,

    VK_OEM_PA3       = 0xED,

    VK_OEM_WSCTRL    = 0xEE,

    VK_OEM_CUSEL     = 0xEF,

    VK_OEM_ATTN      = 0xF0,

    VK_OEM_FINISH    = 0xF1,

    VK_OEM_COPY      = 0xF2,

    VK_OEM_AUTO      = 0xF3,

    VK_OEM_ENLW      = 0xF4,

    VK_OEM_BACKTAB   = 0xF5,

    VK_OEM_CLEAR     = 0xFE

hGblEffect=GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE,sizeof(DWORD));

注意往剪贴板中放的数据必须使用GMEM_MOVEABLE标志，最后我们设置数据并解除锁定：

hGblFiles= GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE, uGblLen);

        MEM_COMMIT         = 0x00001000,

        MEM_RESERVE        = 0x00002000,

        MEM_COMMIT_OR_RESERVE  = 0x00003000,

        MEM_DECOMMIT       = 0x00004000,

        MEM_RELEASE        = 0x00008000,

        MEM_FREE           = 0x00010000,

        MEM_PUBLIC         = 0x00020000,

        MEM_MAPPED         = 0x00040000,

        MEM_RESET          = 0x00080000, // Win2K only

        MEM_TOP_DOWN       = 0x00100000,

        MEM_WRITE_WATCH    = 0x00200000, // Win98 only

        MEM_PHYSICAL       = 0x00400000, // Win2K only

        //MEM_4MB_PAGES    = 0x80000000, // ??

        MEM_IMAGE          = SEC_IMAGE

            allocated = StatusBar.VirtualAllocEx(hProcess, IntPtr.Zero, length, (VirtualAllocExTypes.MEM_COMMIT_OR_RESERVE), AccessProtectionFlags.PAGE_READWRITE);

            StatusBar.VirtualFreeEx(hProcess, allocated, 0, VirtualAllocExTypes.MEM_RELEASE);

enum OCR_SYSTEM_CURSORS : uint

const uint EVENT_SYSTEM_SOUND = 0x0001;

const uint EVENT_SYSTEM_ALERT = 0x0002;

const uint EVENT_SYSTEM_FOREGROUND = 0x0003;

const uint EVENT_SYSTEM_MENUSTART = 0x0004;

const uint EVENT_SYSTEM_MENUEND = 0x0005;

const uint EVENT_SYSTEM_MENUPOPUPSTART = 0x0006;

const uint EVENT_SYSTEM_MENUPOPUPEND = 0x0007;

const uint EVENT_SYSTEM_CAPTURESTART = 0x0008;

const uint EVENT_SYSTEM_CAPTUREEND = 0x0009;

const uint EVENT_SYSTEM_MOVESIZESTART = 0x000A;

const uint EVENT_SYSTEM_MOVESIZEEND = 0x000B;

const uint EVENT_SYSTEM_CONTEXTHELPSTART = 0x000C;

const uint EVENT_SYSTEM_CONTEXTHELPEND = 0x000D;

const uint EVENT_SYSTEM_DRAGDROPSTART = 0x000E;

const uint EVENT_SYSTEM_DRAGDROPEND = 0x000F;

const uint EVENT_SYSTEM_DIALOGSTART = 0x0010;

const uint EVENT_SYSTEM_DIALOGEND = 0x0011;

const uint EVENT_SYSTEM_SCROLLINGSTART = 0x0012;

const uint EVENT_SYSTEM_SCROLLINGEND = 0x0013;

const uint EVENT_SYSTEM_SWITCHSTART = 0x0014;

const uint EVENT_SYSTEM_SWITCHEND = 0x0015;

const uint EVENT_SYSTEM_MINIMIZESTART = 0x0016;

const uint EVENT_SYSTEM_MINIMIZEEND = 0x0017;

const uint EVENT_SYSTEM_DESKTOPSWITCH = 0x0020;

const uint EVENT_SYSTEM_END = 0x00FF;

const uint EVENT_OEM_DEFINED_START = 0x0101;

const uint EVENT_OEM_DEFINED_END = 0x01FF;

const uint EVENT_SYSTEM_ARRANGMENTPREVIEW = 0x8016;

///     <see cref="!:https://msdn.microsoft.com/en-us/library/windows/desktop/ms644960%28v=vs.85%29.aspx#system_events">

Public Const VK_OEM_CLEAR = &HFE

    public const uint VK_OEM_NEC_EQUAL = 0x92;   // '=' key on numpad

    public const uint VK_OEM_FJ_JISHO = 0x92;   // 'Dictionary' key

    public const uint VK_OEM_FJ_MASSHOU = 0x93;   // 'Unregister word' key

    public const uint VK_OEM_FJ_TOUROKU = 0x94;   // 'Register word' key

    public const uint VK_OEM_FJ_LOYA = 0x95;   // 'Left OYAYUBI' key

    public const uint VK_OEM_FJ_ROYA = 0x96;   // 'Right OYAYUBI' key

    public const uint VK_OEM_1 = 0xBA;   // ';:' for US

    public const uint VK_OEM_PLUS = 0xBB;   // '+' any country

    public const uint VK_OEM_COMMA = 0xBC;   // ',' any country

    public const uint VK_OEM_MINUS = 0xBD;   // '-' any country

    public const uint VK_OEM_PERIOD = 0xBE;   // '.' any country

    public const uint VK_OEM_2 = 0xBF;   // '/?' for US

    public const uint VK_OEM_3 = 0xC0;   // '`~' for US

    public const uint VK_OEM_4 = 0xDB;  //  '[{' for US

    public const uint VK_OEM_5 = 0xDC;  //  '\|' for US

    public const uint VK_OEM_6 = 0xDD;  //  ']}' for US

    public const uint VK_OEM_7 = 0xDE;  //  ''"' for US

    public const uint VK_OEM_8 = 0xDF;

    public const uint VK_OEM_AX = 0xE1;  //  'AX' key on Japanese AX kbd

    public const uint VK_OEM_102 = 0xE2;  //  "<>" or "\|" on RT 102-key kbd.

    public const uint VK_OEM_RESET = 0xE9;

    public const uint VK_OEM_JUMP = 0xEA;

    public const uint VK_OEM_PA1 = 0xEB;

    public const uint VK_OEM_PA2 = 0xEC;

    public const uint VK_OEM_PA3 = 0xED;

    public const uint VK_OEM_WSCTRL = 0xEE;

    public const uint VK_OEM_CUSEL = 0xEF;

    public const uint VK_OEM_ATTN = 0xF0;

    public const uint VK_OEM_FINISH = 0xF1;

    public const uint VK_OEM_COPY = 0xF2;

    public const uint VK_OEM_AUTO = 0xF3;

    public const uint VK_OEM_ENLW = 0xF4;

    public const uint VK_OEM_BACKTAB = 0xF5;

    public const uint VK_OEM_CLEAR = 0xFE;

    SCARD_E_SYSTEM_CANCELLED =      0x80100012,

    Dim si As New SYSTEM_INFO

        Win32API.SYSTEM_INFO sysinfo = new Win32API.SYSTEM_INFO();

    internal static extern void GetSystemInfo([MarshalAs(UnmanagedType.Struct)] ref SYSTEM_INFO lpSystemInfo);

    internal struct SYSTEM_INFO

        Win32API.SYSTEM_INFO sysinfo = new Win32API.SYSTEM_INFO();

    internal static extern void GetSystemInfo([MarshalAs(UnmanagedType.Struct)] ref SYSTEM_INFO lpSystemInfo);

    internal struct SYSTEM_INFO

        ACCESS_SYSTEM_SECURITY = 0x01000000L

private void shutdownToolStripMenuItem_Click(object sender, EventArgs e)

internal static extern void GetNativeSystemInfo(ref SYSTEM_INFO lpSystemInfo);

Private Declare Sub GetNativeSystemInfo Lib "kernel32" (<MarshalAs(UnmanagedType.Struct)> ByRef lpSystemInfo As SYSTEM_INFO)

SYSTEM_INFO

    internal struct SYSTEM_INFO

    internal static extern void GetNativeSystemInfo(ref SYSTEM_INFO lpSystemInfo);

    internal static extern void GetSystemInfo(ref SYSTEM_INFO lpSystemInfo);

      SYSTEM_INFO sysInfo = new SYSTEM_INFO();

To use with an handle to a thread kernel object. (Possibly obtained by NtQuerySystemInformation with SYSTEM_INFORMATION_CLASS.SystemHandleInformation)

To use with an handle to a thread kernel object. (Possibly obtained by NtQuerySystemInformation with SYSTEM_INFORMATION_CLASS.SystemHandleInformation)

namespace System_Info

public static extern void GetSystemInfo(out SYSTEM_INFO Info);

    public struct SYSTEM_INFO_UNION

    public struct SYSTEM_INFO

        public SYSTEM_INFO_UNION CpuInfo;

        NativeMethods.SYSTEM_INFO

static extern bool GetSystemPowerStatus(out SYSTEM_POWER_STATUS

SYSTEM_POWER_STATUS

    Dim si As New SYSTEM_INFO

     nSize = LCMapStringEx(LOCALE_NAME_SYSTEM_DEFAULT, dwMapFlags, src, nLen, IntPtr.Zero, 0, pZero, pZero, pZero);

         nSize = LCMapStringEx(LOCALE_NAME_SYSTEM_DEFAULT, dwMapFlags, src, nLen, ptr, nSize, pZero, pZero, pZero);

    LMEM_FIXED = 0x0000,

    LMEM_MOVEABLE = 0x0002,

    LMEM_NOCOMPACT = 0x0010,

    LMEM_NODISCARD = 0x0020,

    LMEM_ZEROINIT = 0x0040,

    LMEM_MODIFY = 0x0080,

    LMEM_DISCARDABLE = 0x0F00,

    LMEM_VALID_FLAGS = 0x0F72,

    LMEM_INVALID_HANDLE = 0x8000,

    LHND = (LMEM_MOVEABLE | LMEM_ZEROINIT),

    LPTR = (LMEM_FIXED | LMEM_ZEROINIT),

    NONZEROLHND = (LMEM_MOVEABLE),

    NONZEROLPTR = (LMEM_FIXED)

By default, the allocated memory is not zeroed. Use the LMEM_ZEROINT flag to zero the memory.

        SYSTEM_DEFAULT         = 0x0,

        SEM_FAILCRITICALERRORS     = 0x0001,

        SEM_NOALIGNMENTFAULTEXCEPT = 0x0004,

        SEM_NOGPFAULTERRORBOX      = 0x0002,

        SEM_NOOPENFILEERRORBOX     = 0x8000

        SYSTEM_DEFAULT = &H0

        SEM_FAILCRITICALERRORS = &H1

        SEM_NOALIGNMENTFAULTEXCEPT = &H4

        SEM_NOGPFAULTERRORBOX = &H2

        SEM_NOOPENFILEERRORBOX = &H8000

        SYSTEM_DEFAULT = 0x0,

        SEM_FAILCRITICALERRORS = 0x0001,

        SEM_NOALIGNMENTFAULTEXCEPT = 0x0004,

        SEM_NOGPFAULTERRORBOX = 0x0002,

        SEM_NOOPENFILEERRORBOX = 0x8000

        SetErrorMode(ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX); // this funtion prevents error dialog box to show up after application crash

            SYSTEM_DEFAULT = 0x0,

            SEM_FAILCRITICALERRORS = 0x0001,

            SEM_NOALIGNMENTFAULTEXCEPT = 0x0004,

            SEM_NOGPFAULTERRORBOX = 0x0002,

            SEM_NOOPENFILEERRORBOX = 0x8000

     ES_SYSTEM_REQUIRED = 0x00000001

        SetThreadExecutionState(EXECUTION_STATE.ES_SYSTEM_REQUIRED);

     CERT_SYSTEM_STORE_CURRENT_USER,

    //     handle with the GMEM_SHARE flag. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

    '     handle with the GMEM_SHARE flag. If the System.Runtime.InteropServices.ComTypes.STGMEDIUMSystem.Runtime.InteropServices.ComTypes.STGMEDIUM.pUnkForRelease

   public SYSTEM_POWER_STATE LidOpenWakeAc;

   public SYSTEM_POWER_STATE LidOpenWakeDc;

   Public LidOpenWakeAc As SYSTEM_POWER_STATE

   Public LidOpenWakeDc As SYSTEM_POWER_STATE

SYSTEM_POWER_STATE

   public SYSTEM_POWER_LEVEL[] DischargePolicy;

   Public DischargePolicy As SYSTEM_POWER_LEVEL()

SYSTEM_POWER_LEVEL

        IMAGE_SUBSYSTEM_UNKNOWN = 0,

        IMAGE_SUBSYSTEM_NATIVE = 1,

        IMAGE_SUBSYSTEM_WINDOWS_GUI = 2,

        IMAGE_SUBSYSTEM_WINDOWS_CUI = 3,

        IMAGE_SUBSYSTEM_POSIX_CUI = 7,

        IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9,

        IMAGE_SUBSYSTEM_EFI_APPLICATION = 10,

        IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11,

        IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12,

        IMAGE_SUBSYSTEM_EFI_ROM = 13,

        IMAGE_SUBSYSTEM_XBOX = 14

    ''' IMAGE_SUBSYSTEM_NATIVE       // Image doesn't require a subsystem

    ''' IMAGE_SUBSYSTEM_WINDOWS_GUI  // Use the Windows GUI

    ''' IMAGE_SUBSYSTEM_WINDOWS_CUI  // Run as a console mode application

    ' IMAGE_SUBSYSTEM_NATIVE (Image doesn't require a subsystem)

    ' IMAGE_SUBSYSTEM_WINDOWS_GUI (Use the Windows GUI)

    ' IMAGE_SUBSYSTEM_WINDOWS_CUI (Run as a console mode application.  When run, the OS creates a

    ' IMAGE_SUBSYSTEM_NATIVE (Image doesn't require a subsystem)

    ' IMAGE_SUBSYSTEM_WINDOWS_GUI (Use the Windows GUI)

    ' IMAGE_SUBSYSTEM_WINDOWS_CUI (Run as a console mode application.  When run, the OS creates a

        IMAGE_SUBSYSTEM_UNKNOWN = 0,

        IMAGE_SUBSYSTEM_NATIVE = 1,

        IMAGE_SUBSYSTEM_WINDOWS_GUI = 2,

        IMAGE_SUBSYSTEM_WINDOWS_CUI = 3,

        IMAGE_SUBSYSTEM_POSIX_CUI = 7,

        IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9,

        IMAGE_SUBSYSTEM_EFI_APPLICATION = 10,

        IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11,

        IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12,

        IMAGE_SUBSYSTEM_EFI_ROM = 13,

        IMAGE_SUBSYSTEM_XBOX = 14

        OEM_1 = 0xBA,

        OEM_PLUS = 0xBB,

        OEM_COMMA = 0xBC,

        OEM_MINUS = 0xBD,

        OEM_PERIOD = 0xBE,

        OEM_2 = 0xBF,

        OEM_3 = 0xC0,

        OEM_4 = 0xDB,

        OEM_5 = 0xDC,

        OEM_6 = 0xDD,

        OEM_7 = 0xDE,

        OEM_8 = 0xDF,

        OEM_102 = 0xE2,

        OEM_CLEAR = 0xFE

        OEM_1 = 39,

        OEM_PLUS = 13,

        OEM_COMMA = 51,

        OEM_MINUS = 12,

        OEM_PERIOD = 52,

        OEM_2 = 53,

        OEM_3 = 41,

        OEM_4 = 26,

        OEM_5 = 43,

        OEM_6 = 27,

        OEM_7 = 40,

        OEM_8 = 0,

        OEM_102 = 86,

        OEM_CLEAR = 0,

            OEM_CHARSET = 255,

        OEM_CHARSET = 255

    SYSTEM_POWER_STATE MinSleepAc;

    SYSTEM_POWER_STATE MinSleepDc;

    SYSTEM_POWER_STATE ReducedLatencySleepAc;

    SYSTEM_POWER_STATE ReducedLatencySleepDc;

        Private MinSleepAc As SYSTEM_POWER_STATE

        Private MinSleepDc As SYSTEM_POWER_STATE

        Private ReducedLatencySleepAc As SYSTEM_POWER_STATE

        Private ReducedLatencySleepDc As SYSTEM_POWER_STATE

SYSTEM_POWER_STATE, POWER_ACTION_POLICY