Can I Programmatically Disable a Windows Device Using Win32 APIs, and How?

Win32 APIs allow the disabling and enabling of devices programmatically. However, not all devices support this capability. When attempting to disable a touchpad using SetupDi APIs, it may not be possible because the default mouse driver often doesn't support this action.

To verify if a device is disableable, check if the disable option is available in Device Manager. If it's present, the following code can be used:

public static void EnableMouse(bool enable)
{
    // Example mouse GUID: {4d36e96f-e325-11ce-bfc1-08002be10318}
    Guid mouseGuid = new Guid("{4d36e96f-e325-11ce-bfc1-08002be10318}");

    // Get the instance path from Device Manager
    string instancePath = @"ACPI\PNP0F03&3688D3F&0";

    DeviceHelper.SetDeviceEnabled(mouseGuid, instancePath, enable);
}
````

Here's the supporting library:

using System;
using System.Text;
using System.Collections.Generic;
using DisableDevice;
using System.Runtime.InteropServices;
using System.ComponentModel;
using Microsoft.Win32.SafeHandles;
using System.Security;
using System.Runtime.ConstrainedExecution;
using System.Management;

namespace DisableDevice
{

[Flags()]
internal enum SetupDiGetClassDevsFlags
{
    Default = 1,
    Present = 2,
    AllClasses = 4,
    Profile = 8,
    DeviceInterface = (int)0x10
}

internal enum DiFunction
{
    SelectDevice = 1,
    InstallDevice = 2,
    AssignResources = 3,
    Properties = 4,
    Remove = 5,
    FirstTimeSetup = 6,
    FoundDevice = 7,
    SelectClassDrivers = 8,
    ValidateClassDrivers = 9,
    InstallClassDrivers = (int)0xa,
    CalcDiskSpace = (int)0xb,
    DestroyPrivateData = (int)0xc,
    ValidateDriver = (int)0xd,
    Detect = (int)0xf,
    InstallWizard = (int)0x10,
    DestroyWizardData = (int)0x11,
    PropertyChange = (int)0x12,
    EnableClass = (int)0x13,
    DetectVerify = (int)0x14,
    InstallDeviceFiles = (int)0x15,
    UnRemove = (int)0x16,
    SelectBestCompatDrv = (int)0x17,
    AllowInstall = (int)0x18,
    RegisterDevice = (int)0x19,
    NewDeviceWizardPreSelect = (int)0x1a,
    NewDeviceWizardSelect = (int)0x1b,
    NewDeviceWizardPreAnalyze = (int)0x1c,
    NewDeviceWizardPostAnalyze = (int)0x1d,
    NewDeviceWizardFinishInstall = (int)0x1e,
    Unused1 = (int)0x1f,
    InstallInterfaces = (int)0x20,
    DetectCancel = (int)0x21,
    RegisterCoInstallers = (int)0x22,
    AddPropertyPageAdvanced = (int)0x23,
    AddPropertyPageBasic = (int)0x24,
    Reserved1 = (int)0x25,
    Troubleshooter = (int)0x26,
    PowerMessageWake = (int)0x27,
    AddRemotePropertyPageAdvanced = (int)0x28,
    UpdateDriverUI = (int)0x29,
    Reserved2 = (int)0x30
}

internal enum StateChangeAction
{
    Enable = 1,
    Disable = 2,
    PropChange = 3,
    Start = 4,
    Stop = 5
}

[Flags()]
internal enum Scopes
{
    Global = 1,
    ConfigSpecific = 2,
    ConfigGeneral = 4
}

internal enum SetupApiError
{
    NoAssociatedClass = unchecked((int)0xe0000200),
    ClassMismatch = unchecked((int)0xe0000201),
    DuplicateFound = unchecked((int)0xe0000202),
    NoDriverSelected = unchecked((int)0xe0000203),
    KeyDoesNotExist = unchecked((int)0xe0000204),
    InvalidDevinstName = unchecked((int)0xe0000205),
    InvalidClass = unchecked((int)0xe0000206),
    DevinstAlreadyExists = unchecked((int)0xe0000207),
    DevinfoNotRegistered = unchecked((int)0xe0000208),
    InvalidRegProperty = unchecked((int)0xe0000209),
    NoInf = unchecked((int)0xe000020a),
    NoSuchHDevinst = unchecked((int)0xe000020b),
    CantLoadClassIcon = unchecked((int)0xe000020c),
    InvalidClassInstaller = unchecked((int)0xe000020d),
    DiDoDefault = unchecked((int)0xe000020e),
    DiNoFileCopy = unchecked((int)0xe000020f),
    InvalidHwProfile = unchecked((int)0xe0000210),
    NoDeviceSelected = unchecked((int)0xe0000211),
    DevinfolistLocked = unchecked((int)0xe0000212),
    DevinfodataLocked = unchecked((int)0xe0000213),
    DiBadPath = unchecked((int)0xe0000214),
    NoClassInstallParams = unchecked((int)0xe0000215),
    FileQueueLocked = unchecked((int)0xe0000216),
    BadServiceInstallSect = unchecked((int)0xe0000217),
    NoClassDriverList = unchecked((int)0xe0000218),
    NoAssociatedService = unchecked((int)0xe0000219),
    NoDefaultDeviceInterface = unchecked((int)0xe000021a),
    DeviceInterfaceActive = unchecked((int)0xe000021b),
    DeviceInterfaceRemoved = unchecked((int)0xe000021c),
    BadInterfaceInstallSect = unchecked((int)0xe000021d),
    NoSuchInterfaceClass = unchecked((int)0xe000021e),
    InvalidReferenceString = unchecked((int)0xe000021f),
    InvalidMachineName = unchecked((int)0xe0000220),
    RemoteCommFailure = unchecked((int)0xe0000221),
    MachineUnavailable = unchecked((int)0xe0000222),
    NoConfigMgrServices = unchecked((int)0xe0000223),
    InvalidPropPageProvider = unchecked((int)0xe0000224),
    NoSuchDeviceInterface = unchecked((int)0xe0000225),
    DiPostProcessingRequired = unchecked((int)0xe0000226),
    InvalidCOInstaller = unchecked((int)0xe0000227),
    NoCompatDrivers = unchecked((int)0xe0000228),
    NoDeviceIcon = unchecked((int)0xe0000229),
    InvalidInfLogConfig = unchecked((int)0xe000022a),
    DiDontInstall = unchecked((int)0xe000022b),
    InvalidFilterDriver = unchecked((int)0xe000022c),
    NonWindowsNTDriver = unchecked((int)0xe000022d),
    NonWindowsDriver = unchecked((int)0xe000022e),
    NoCatalogForOemInf = unchecked((int)0xe000022f),
    DevInstallQueueNonNative = unchecked((int)0xe0000230),
    NotDisableable = unchecked((int)0xe0000231),
    CantRemoveDevinst = unchecked((int)0xe

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