using System; using Systemm = System; using System.ComponentModel; using System.Runtime.InteropServices; using System.Text; using System.Collections.Generic; namespace Trigger.Classes.Power { /// /// A Windows PowerScheme /// public class PowerScheme { #region DllImport /// /// Enumerates the specified elements in a power scheme. This function is normally called in a loop incrementing the Index parameter to retrieve subkeys until they've all been enumerated. /// /// This parameter is reserved for future use and must be set to NULL /// The identifier of the power scheme. If this parameter is NULL, an enumeration of the power policies is returned. /// The subgroup of power settings. If this parameter is NULL, an enumeration of settings under the PolicyGuid key is returned. /// /// A set of flags that specifies what will be enumerated /// ACCESS_SCHEME: 16, ACCESS_SUBGROUP: 17, ACCESS_INDIVIDUAL_SETTING: 18 /// /// The zero-based index of the scheme, subgroup, or setting that is being enumerated. /// A pointer to a variable to receive the elements. If this parameter is NULL, the function retrieves the size of the buffer required. /// A pointer to a variable that on input contains the size of the buffer pointed to by the Buffer parameter. If the Buffer parameter is NULL or if the BufferSize is not large enough, the function will return and the variable receives the required buffer size. /// Returns ERROR_SUCCESS (zero) if the call was successful, and a nonzero value if the call failed. If the buffer size passed in the BufferSize parameter is too small, or if the Buffer parameter is NULL, ERROR_MORE_DATA will be returned and the DWORD pointed to by the BufferSize parameter will be filled in with the required buffer size. [DllImport("powrprof.dll")] internal static extern uint PowerEnumerate(IntPtr RootPowerKey, IntPtr SchemeGuid, ref Guid SubGroupOfPowerSetting, uint AccessFlags, uint Index, ref Guid Buffer, ref uint BufferSize); [DllImport("powrprof.dll")] internal static extern uint PowerGetActiveScheme(IntPtr UserRootPowerKey, ref IntPtr ActivePolicyGuid); [DllImport("powrprof.dll")] internal static extern uint PowerReadACValue(IntPtr RootPowerKey, IntPtr SchemeGuid, IntPtr SubGroupOfPowerSettingGuid, ref Guid PowerSettingGuid, ref int Type, ref IntPtr Buffer, ref uint BufferSize); [DllImport("powrprof.dll", CharSet = CharSet.Unicode)] internal static extern uint PowerReadFriendlyName(IntPtr RootPowerKey, IntPtr SchemeGuid, IntPtr SubGroupOfPowerSettingGuid, IntPtr PowerSettingGuid, StringBuilder Buffer, ref uint BufferSize); [DllImport("kernel32.dll")] internal static extern IntPtr LocalFree(IntPtr hMem); #endregion #region Properties #region Static #region Guids #region PowerBroadcast Message types internal static Guid GUID_BATTERY_PERCENTAGE_REMAINING = new Guid("A7AD8041-B45A-4CAE-87A3-EECBB468A9E1"); internal static Guid GUID_MONITOR_POWER_ON = new Guid(0x02731015, 0x4510, 0x4526, 0x99, 0xE6, 0xE5, 0xA1, 0x7E, 0xBD, 0x1A, 0xEA); internal static Guid GUID_ACDC_POWER_SOURCE = new Guid(0x5D3E9A59, 0xE9D5, 0x4B00, 0xA6, 0xBD, 0xFF, 0x34, 0xFF, 0x51, 0x65, 0x48); internal static Guid GUID_POWERSCHEME_PERSONALITY = new Guid(0x245D8541, 0x3943, 0x4422, 0xB0, 0x25, 0x13, 0xA7, 0x84, 0xF6, 0x79, 0xB7); internal static Guid GUID_LIDCLOSE_ACTION = new Guid(0xBA3E0F4D, 0xB817, 0x4094, 0xA2, 0xD1, 0xD5, 0x63, 0x79, 0xE6, 0xA0, 0xF3); #endregion #region Default PowerSchemes internal static Guid GUID_MAX_POWER_SAVINGS = new Guid(0xA1841308, 0x3541, 0x4FAB, 0xBC, 0x81, 0xF7, 0x15, 0x56, 0xF2, 0x0B, 0x4A); internal static Guid GUID_MIN_POWER_SAVINGS = new Guid(0x8C5E7FDA, 0xE8BF, 0x4A96, 0x9A, 0x85, 0xA6, 0xE2, 0x3A, 0x8C, 0x63, 0x5C); // No Power Savings - Almost no power savings measures are used. internal static Guid GUID_TYPICAL_POWER_SAVINGS = new Guid(0x381B4222, 0xF694, 0x41F0, 0x96, 0x85, 0xFF, 0x5B, 0xB2, 0x60, 0xDF, 0x2E); // Typical Power Savings - Fairly aggressive power savings measures are used. #endregion #region PowerScheme Settings SubGroups internal static Guid NO_SUBGROUP_GUID = new Guid("fea3413e-7e05-4911-9a71-700331f1c294"); internal static Guid GUID_DISK_SUBGROUP = new Guid("0012ee47-9041-4b5d-9b77-535fba8b1442"); internal static Guid GUID_SYSTEM_BUTTON_SUBGROUP = new Guid("4f971e89-eebd-4455-a8de-9e59040e7347"); internal static Guid GUID_PROCESSOR_SETTINGS_SUBGROUP = new Guid("54533251-82be-4824-96c1-47b60b740d00"); internal static Guid GUID_VIDEO_SUBGROUP = new Guid("7516b95f-f776-4464-8c53-06167f40cc99"); internal static Guid GUID_BATTERY_SUBGROUP = new Guid("e73a048d-bf27-4f12-9731-8b2076e8891f"); internal static Guid GUID_SLEEP_SUBGROUP = new Guid("238C9FA8-0AAD-41ED-83F4-97BE242C8F20"); internal static Guid GUID_PCIEXPRESS_SETTINGS_SUBGROUP = new Guid("501a4d13-42af-4429-9fd1-a8218c268e20"); #endregion #region Guid for each individual setting internal static Guid GUID_SET_AHCI_POWERMGMT_HDIPM = new Guid("0b2d69d7-a2a1-449c-9680-f91c70521c60"); // AHCI Link Power Management - HIPM/DIPM internal static Guid GUID_SET_DRIVE_TIMEOUT = new Guid("6738e2c4-e8a5-4a42-b16a-e040e769756e"); // Festplatte ausschalten nach internal static Guid GUID_SET_DRIVE_IGNORE_TIMEOUT = new Guid("80e3c60e-bb94-4ad8-bbe0-0d3195efc663"); // Zeit für das Ignorieren von Festplattenaktivitäten internal static Guid GUID_SET_AHCI_POWERMGMT_ADAPTIVE = new Guid("dab60367-53fe-4fbc-825e-521d069d2456"); // AHCI Link Power Management - Adaptive internal static Guid GUID_SET_JAVASCRIPT_TIMERFREQ = new Guid("4c793e7d-a264-42e1-87d3-7a0d2f523ccd"); // JavaScript-Timerfrequenz internal static Guid GUID_SET_DIASHOW = new Guid("309dce9b-bef4-4119-9921-a851fb12f0f4"); // Diashow internal static Guid GUID_SET_STANDBY = new Guid("12bbebe6-58d6-4636-95bb-3217ef867c1a"); // Energiesparmodus internal static Guid GUID_SET_ALLOW_HYBRID_STANDBY = new Guid("94ac6d29-73ce-41a6-809f-6363ba21b47e"); // Hybriden Standbymodus zulassen internal static Guid GUID_SET_HIBERNATE_TIMEOUT = new Guid("9d7815a6-7ee4-497e-8888-515a05f02364"); // Ruhezustand nach /*internal static Guid GUID_SET_ _ = new Guid("25dfa149-5dd1-4736-b5ab-e8a37b5b8187"); // Richtlinie für das Zulassen des Abwesenheitsmodus internal static Guid GUID_SET_ _ = new Guid("29f6c1db-86da-48c5-9fdb-f2b67b1f44da"); // Deaktivierung nach internal static Guid GUID_SET_ _ = new Guid("7bc4a2f9-d8fc-4469-b07b-33eb785aaca0"); // Leerlaufzeit nach unbeaufsichtigter Reaktivierung internal static Guid GUID_SET_ _ = new Guid("a4b195f5-8225-47d8-8012-9d41369786e2"); // Richtlinie für erforderliches System zulassen internal static Guid GUID_SET_ _ = new Guid("abfc2519-3608-4c2a-94ea-171b0ed546ab"); // Energiesparzustände erlauben internal static Guid GUID_SET_ _ = new Guid("bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d"); // Zeitgeber zur Aktivierung zulassen*/ internal static Guid GUID_SET_ALLOW_STANDBY_WITH_OPENED_REMOTE_FILES = new Guid("d4c1d4c8-d5cc-43d3-b83e-fc51215cb04d"); // Standbymodus mit remote geöffneten Dateien zulassen internal static Guid GUID_SET_SELECTIVE_USB_ENERGY_SAVING = new Guid("48e6b7a6-50f5-4782-a5d4-53bb8f07e226"); // Einstellung für selektives USB-Energiesparen internal static Guid GUID_SET_SHUT = new Guid("5ca83367-6e45-459f-a27b-476b1d01c936"); // Zuklappen internal static Guid GUID_SET_DEFAULT_SHUTDOWN_ACTION = new Guid("7648efa3-dd9c-4e3e-b566-50f929386280"); // Standardaktion für Beenden internal static Guid GUID_SET_FORCE_SHUTDOWN = new Guid("833a6b62-dfa4-46d1-82f8-e09e34d029d6"); // Erzwungenes Herunterfahren für Tastenaktionen und Zuklappen aktivieren internal static Guid GUID_SET_ENERGYSAVE_KEY_ACTION = new Guid("96996bc0-ad50-47ec-923b-6f41874dd9eb"); // Energiespartastenaktion internal static Guid GUID_SET_SHOW_POWER_SWITCH_IN_STARTMENU = new Guid("a7066653-8d6c-40a8-910e-a1f54b84c7e5"); // Netzschalter im Startmenü /*internal static Guid GUID_SET_ _ = new Guid("ee12f906-d277-404b-b6da-e5fa1a576df5"); // Verbindungszustand-Energieverwaltung internal static Guid GUID_SET_THRESHOLD_RAISE_PROCESSOR = new Guid("06cadf0e-64ed-448a-8927-ce7bf90eb35d"); // Schwellenwert zum Erhöhen der Prozessorleistung internal static Guid GUID_SET_PROCESSOR_PARK_KERN = new Guid("0cc5b647-c1df-4637-891a-dec35c318583"); // Prozessorleistung: Parken von Kernen - Kerne minimal internal static Guid GUID_SET_ _ = new Guid("1299023c-bc28-4f0a-81ec-d3295a8d815d"); // Prozessorleistung: Parken von Kernen - Faktor zum Reduzieren des Verlaufs für übermäßige Nutzung internal static Guid GUID_SET_PROCESSOR_THRESHOLD_REDUCE = new Guid("12a0ab44-fe28-4fa9-b3bd-4b64f44960a6"); // Schwellenwert zum Reduzieren der Prozessorleistung internal static Guid GUID_SET_RAISE_PROCESSOR_TIMEOUT = new Guid("2ddd5a84-5a71-437e-912a-db0b8c788732"); // Prozessorleistung: Parken von Kernen - Zeit bis zum Erhöhen internal static Guid GUID_SET_ALLOW_RESTRICT = new Guid("3b04d4fd-1cc7-4f23-ab1c-d1337819c4bb"); // Drosselungszustände zulassen internal static Guid GUID_SET_RESTRICT_RULE = new Guid("40fbefc7-2e9d-4d25-a185-0cfd8574bac6"); // Prozessorleistung - Reduzierungsrichtlinie internal static Guid GUID_SET_ _ = new Guid("447235c7-6a8d-4cc0-8e24-9eaf70b96e2b"); // Prozessorleistung: Parken von Kernen - Leistungszustand beim Parken internal static Guid GUID_SET_ = new Guid("45bcc044-d885-43e2-8605-ee0ec6e96b59"); // Leistungssteigerungsrichtlinie für Prozessoren internal static Guid GUID_SET_ = new Guid("465e1f50-b610-473a-ab58-00d1077dc418"); // Prozessorleistung - Erhöhungsrichtlinie internal static Guid GUID_SET_ = new Guid("4b92d758-5a24-4851-a470-815d78aee119"); // Prozessorleerlauf - Schwellenwert für Herabstufung internal static Guid GUID_SET_ = new Guid("4d2b0152-7d5c-498b-88e2-34345392a2c5"); // Prozessorleistung - Intervall für Überprüfung der Zeit internal static Guid GUID_SET_ = new Guid("5b33697b-e89d-4d38-aa46-9e7dfb7cd2f9"); // Prozessorleistung: Parken von Kernen - Schwellenwert für Affinitätsverlauf internal static Guid GUID_SET_ = new Guid("5d76a2ca-e8c0-402f-a133-2158492d58ad"); // Prozessorleerlauf deaktivieren internal static Guid GUID_SET_ = new Guid("68dd2f27-a4ce-4e11-8487-3794e4135dfa"); // Prozessorleistung: Parken von Kernen - Reduzierungsschwellenwert internal static Guid GUID_SET_ = new Guid("6c2993b0-8f48-481f-bcc6-00dd2742aa06"); // Prozessorleerlauf - Skalierung des Schwellenwerts internal static Guid GUID_SET_ = new Guid("71021b41-c749-4d21-be74-a00f335d582b"); // Prozessorleistung: Parken von Kernen - Reduzierungsrichtlinie internal static Guid GUID_SET_ = new Guid("7b224883-b3cc-4d79-819f-8374152cbe7c"); // Prozessorleerlauf - Schwellenwert für Heraufstufung internal static Guid GUID_SET_ = new Guid("7d24baa7-0b84-480f-840c-1b0743c00f5f"); // Prozessorleistungs-Verlaufsanzahl internal static Guid GUID_SET_ = new Guid("8809c2d8-b155-42d4-bcda-0d345651b1db"); // Prozessorleistung: Parken von Kernen - Gewichtung für übermäßige Nutzung internal static Guid GUID_SET_ = new Guid("893dee8e-2bef-41e0-89c6-b55d0929964c"); // Minimaler Leistungszustand des Prozessors internal static Guid GUID_SET_ = new Guid("8f7b45e3-c393-480a-878c-f67ac3d07082"); // Prozessorleistung: Parken von Kernen - Faktor zum Reduzieren des Affinitätsverlaufs internal static Guid GUID_SET_ = new Guid("943c8cb6-6f93-4227-ad87-e9a3feec08d1"); // Prozessorleistung: Parken von Kernen - Schwellenwert für übermäßige Kernnutzung internal static Guid GUID_SET_ = new Guid("94d3a615-a899-4ac5-ae2b-e4d8f634367f"); // Systemkühlungsrichtlinie internal static Guid GUID_SET_ = new Guid("984cf492-3bed-4488-a8f9-4286c97bf5aa"); // Prozessorleistung - Zeit bis zum Erhöhen internal static Guid GUID_SET_ = new Guid("9ac18e92-aa3c-4e27-b307-01ae37307129"); // Prozessorleistung: Parken von Kernen - Schwellenwert für den Verlauf für übermäßige Nutzung internal static Guid GUID_SET_ = new Guid("a55612aa-f624-42c6-a443-7397d064c04f"); // Prozessorleistung: Parken von Kernen - Außerkraftsetzung von Kernen internal static Guid GUID_SET_ = new Guid("bc5038f7-23e0-4960-96da-33abaf5935ec"); // Maximaler Leistungszustand des Prozessors internal static Guid GUID_SET_ = new Guid("c4581c31-89ab-4597-8e2b-9c9cab440e6b"); // Prozessorleerlauf - Überprüfung der Zeit internal static Guid GUID_SET_ = new Guid("c7be0679-2817-4d69-9d02-519a537ed0c6"); // Prozessorleistung: Parken von Kernen - Erhöhungsrichtlinie internal static Guid GUID_SET_ = new Guid("d8edeb9b-95cf-4f95-a73c-b061973693c8"); // Prozessorleistung - Zeit bis zum Reduzieren internal static Guid GUID_SET_ = new Guid("df142941-20f3-4edf-9a4a-9c83d3d717d1"); // Prozessorleistung: Parken von Kernen - Erhöhungsschwellenwert internal static Guid GUID_SET_ = new Guid("dfd10d17-d5eb-45dd-877a-9a34ddd15c82"); // Prozessorleistung: Parken von Kernen - Zeit bis zum Reduzieren internal static Guid GUID_SET_ = new Guid("e70867f1-fa2f-4f4e-aea1-4d8a0ba23b20"); // Prozessorleistung: Parken von Kernen - Affinitätsgewichtung internal static Guid GUID_SET_ = new Guid("ea062031-0e34-4ff1-9b6d-eb1059334028"); // Prozessorleistung: Parken von Kernen - Kerne maximal*/ internal static Guid GUID_SET_DIM_SCREEN_TIMEOUT = new Guid("17aaa29b-8b43-4b94-aafe-35f64daaf1ee"); // Bildschirm verdunkeln nach internal static Guid GUID_SET_SWITCHOFF_SCREEN_TIMEOUT = new Guid("3c0bc021-c8a8-4e07-a973-6b14cbcb2b7e"); // Bildschirm ausschalten nach internal static Guid GUID_SET_USER_ANNOYANCE_TIMEOUT = new Guid("82dbcf2d-cd67-40c5-bfdc-9f1a5ccd4663"); // Zeitlimit für Benutzerstörung internal static Guid GUID_SET_ADAPTIVE = new Guid("90959d22-d6a1-49b9-af93-bce885ad335b"); // Adaptive Bildschirmabschaltung internal static Guid GUID_SET_ALLOW_SCREEN_RULE = new Guid("a9ceb8da-cd46-44fb-a98b-02af69de4623"); // Richtlinie für erforderliche Anzeige zulassen internal static Guid GUID_SET_SCREEN_BRIGHTNESS = new Guid("aded5e82-b909-4619-9949-f5d71dac0bcb"); // Bildschirmhelligkeit internal static Guid GUID_SET_RAISE_ADAPTIVE_TIME_INTERVAL = new Guid("eed904df-b142-4183-b10b-5a1197a37864"); // Adaptives Zeitlimit erhöhen um internal static Guid GUID_SET_SCREEN_BRIGHTNESS_DIM = new Guid("f1fbfde2-a960-4165-9f88-50667911ce96"); // Bildschirmhelligkeit beim Verdunkeln internal static Guid GUID_SET_ADAPTIVE_BRIGHTNESS = new Guid("fbd9aa66-9553-4097-ba44-ed6e9d65eab8"); // Adaptive Helligkeit aktivieren internal static Guid GUID_SET_PLAYING_MEDIA = new Guid("03680956-93bc-4294-bba6-4e0f09bb717f"); // Bei der Freigabe von Medien internal static Guid GUID_SET_PLAYING_VIDEO = new Guid("34c7b99f-9a6d-4b3c-8dc7-b6693b78cef4"); // Bei der Videowiedergabe internal static Guid GUID_SET_ACTION_CRITICAL_BATTERY = new Guid("637ea02f-bbcb-4015-8e2c-a1c7b9c0b546"); // Aktion bei kritischer Akkukapazität internal static Guid GUID_SET_LOW_BATTERY = new Guid("8183ba9a-e910-48da-8769-14ae6dc1170a"); // Niedrige Akkukapazität internal static Guid GUID_SET_CRITICAL_BATTERY = new Guid("9a66d8d7-4ff7-4ef9-b5a2-5a326ca2a469"); // Kritische Akkukapazität internal static Guid GUID_SET_NOTIFICATION_LOW_BATTERY = new Guid("bcded951-187b-4d05-bccc-f7e51960c258"); // Benachrichtigung bei niedriger Akkukapazität internal static Guid GUID_SET_ACTION_LOW_BATTERY = new Guid("d8742dcb-3e6a-4b3c-b3fe-374623cdcf06"); // Aktion bei niedriger Akkukapazität internal static Guid GUID_SET_BATTERY_LEVEL_ENERGY_RESERVE = new Guid("f3c5027d-cd16-4930-aa6b-90db844a8f00"); // Akkustand für Reservestrom #endregion #endregion internal const uint ERROR_MORE_DATA = 234; internal const uint ACCESS_SCHEME = 16; internal const uint ACCESS_SUBGROUP = 17; internal const uint ACCESS_INDIVIDUAL_SETTING = 18; /// /// Gets the currently active /// public static PowerScheme Active { get { IntPtr activeGuidPtr = IntPtr.Zero; uint index = PowerGetActiveScheme(IntPtr.Zero, ref activeGuidPtr); if (index != 0) throw new Win32Exception(); return new PowerScheme(activeGuidPtr); } } /// /// Gets a list with all available s /// public static List AllPowerSchemes { get { return null; } } #endregion #region Instance #region Guid /// The of this internal Guid guid; /// The of this public Guid Guid { get { return guid; } private set { guid = value; } } #endregion #region DriveLetter /// The 's name internal string name; /// The 's name public string Name { get { return name; } private set { name = value; } } #endregion #region Other Settings /// /// Contains all the additional settings of this /// There may be more interesting stuff then it is mapped with outside with other properties /// internal Dictionary settings = new Dictionary(80); /// public bool Adaptive { get { return Convert.ToBoolean(settings[GUID_SET_ADAPTIVE]); } } /// Whether the brightness is being adjusted adaptively public bool AdaptiveBrightness { get { return Convert.ToBoolean(settings[GUID_SET_ADAPTIVE_BRIGHTNESS]); } } /// Time until the screen is being dimmed public TimeSpan DimScreenTimeout { get { return new TimeSpan(0, 0, Convert.ToInt32(settings[GUID_SET_DIM_SCREEN_TIMEOUT])); } } /// Time until a disk drive will be shut down public TimeSpan DiskDriveTimeout { get { return new TimeSpan(0, 0, Convert.ToInt32(settings[GUID_SET_DRIVE_TIMEOUT])); } } /// The brightness of the screen in percent public byte ScreenBrightness { get { return Convert.ToByte(settings[GUID_SET_SCREEN_BRIGHTNESS]); } } /// The brightness of the screen when it is dimmed in percent public byte ScreenBrightnessDim { get { return Convert.ToByte(settings[GUID_SET_SCREEN_BRIGHTNESS_DIM]); } } /// Time until the screen is switched off public TimeSpan SwitchoffScreenTimeout { get { return new TimeSpan(Convert.ToInt32(settings[GUID_SET_SWITCHOFF_SCREEN_TIMEOUT])); } } /// Whether selective usb energy saving is enabled public bool SelectiveUsbEnergySaving { get { return Convert.ToBoolean(settings[GUID_SET_SELECTIVE_USB_ENERGY_SAVING]); } } /// Time until the screen is locked (I think) public TimeSpan UserAnnoyanceTimeout { get { return new TimeSpan(Convert.ToInt32(settings[GUID_SET_USER_ANNOYANCE_TIMEOUT])); } } #endregion #endregion #endregion #region Constructor /// /// Creates a new instance of with the of the specified /// /// public PowerScheme(IntPtr GuidPtr) { if (GuidPtr == IntPtr.Zero) throw new ArgumentException("GuidPtr cannot be Zero!", "GuidPtr"); this.Guid = (Guid)Marshal.PtrToStructure(GuidPtr, typeof(Guid)); this.init(GuidPtr); } /// /// Creates a new instance of with the specified /// /// public PowerScheme(Guid Guid) { this.Guid = Guid; IntPtr GuidPtr = Marshal.AllocHGlobal(Marshal.SizeOf(Guid)); ; Marshal.StructureToPtr(Guid, GuidPtr, false); this.init(GuidPtr); } #endregion #region Methods /// /// Initiates the properties using the specified /// /// internal void init(IntPtr GuidPtr) { this.Name = getName(GuidPtr); this.getSettings(GuidPtr); // free the space at GuidPtr IntPtr res = LocalFree(GuidPtr); if (res != IntPtr.Zero) throw new Win32Exception(); } /// /// Gets the name of the power plan /// /// /// internal string getName(IntPtr GuidPtr) { uint buffSize = 0; StringBuilder buffer = new StringBuilder(); Guid subGroupGuid = Guid.Empty; Guid powerSettingGuid = Guid.Empty; uint index = PowerReadFriendlyName(IntPtr.Zero, GuidPtr, IntPtr.Zero, IntPtr.Zero, buffer, ref buffSize); if (index == ERROR_MORE_DATA) { buffer.Capacity = (int)buffSize; index = PowerReadFriendlyName(IntPtr.Zero, GuidPtr, IntPtr.Zero, IntPtr.Zero, buffer, ref buffSize); } if (index != 0) throw new Win32Exception(); return buffer.ToString(); } /// /// Enumerate over the settings /// /// internal void getSettings(IntPtr GuidPtr) { //Get the Power Settings Guid SettingGuid = Guid.Empty; Guid SubGroupGuid = Guid.Empty; uint result; uint indexI = 0; uint BufferSize = Convert.ToUInt32(Marshal.SizeOf(typeof(Guid))); while (PowerEnumerate(IntPtr.Zero, GuidPtr, ref SubGroupGuid, ACCESS_SUBGROUP, indexI, ref SubGroupGuid, ref BufferSize) == 0) { uint indexJ = 0; while (PowerEnumerate(IntPtr.Zero, GuidPtr, ref SubGroupGuid, ACCESS_INDIVIDUAL_SETTING, indexJ, ref SettingGuid, ref BufferSize) == 0) { uint size = 4; IntPtr value = IntPtr.Zero; int type = 0; result = PowerReadACValue(IntPtr.Zero, GuidPtr, IntPtr.Zero, ref SettingGuid, ref type, ref value, ref size); // copy IntPtrs because they will be deleted (i think) IntPtr pSubGroup = Marshal.AllocHGlobal(Marshal.SizeOf(SubGroupGuid)); Marshal.StructureToPtr(SubGroupGuid, pSubGroup, false); IntPtr pSetting = Marshal.AllocHGlobal(Marshal.SizeOf(SettingGuid)); Marshal.StructureToPtr(SettingGuid, pSetting, false); uint nameSize = 200; StringBuilder name = new StringBuilder((int)nameSize); result = PowerReadFriendlyName(IntPtr.Zero, GuidPtr, pSubGroup, pSetting, name, ref nameSize); this.settings.Add(SettingGuid, (ulong)value); indexJ++; } SubGroupGuid = Guid.Empty; indexI++; } } #endregion #region Operators /// /// Compars two s and returns true if they have the same Guid /// /// /// public override bool Equals(object obj) { PowerScheme that = obj as PowerScheme; if (that == null) return false; return this.Guid == that.Guid; } /// /// /// /// public static bool operator == (PowerScheme thit, PowerScheme that) { return thit.Guid == that.Guid; } /// /// /// /// public static bool operator !=(PowerScheme thit, PowerScheme that) { return thit.Guid != that.Guid; } /// /// A unique code of this /// /// public override int GetHashCode() { return this.Guid.GetHashCode(); } #endregion } }