Restore SEBPatch

This commit is contained in:
2025-06-01 11:44:20 +02:00
commit 8c656e3137
1297 changed files with 142172 additions and 0 deletions

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using SafeExamBrowser.WindowsApi.Contracts;
namespace SafeExamBrowser.Monitoring.Contracts.Applications
{
/// <summary>
/// Provides information about the currently active application.
/// </summary>
public class ActiveApplication
{
/// <summary>
/// The process which owns the currently active window.
/// </summary>
public IProcess Process { get; }
/// <summary>
/// The currently active window (i.e. the window which currently has input focus).
/// </summary>
public IWindow Window { get; }
public ActiveApplication(IProcess process, IWindow window)
{
Process = process;
Window = window;
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Applications.Events
{
/// <summary>
/// Indicates that the Windows Explorer has been started.
/// </summary>
public delegate void ExplorerStartedEventHandler();
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using SafeExamBrowser.WindowsApi.Contracts;
namespace SafeExamBrowser.Monitoring.Contracts.Applications.Events
{
/// <summary>
/// Indicates that a new instance of a whitelisted application has been started.
/// </summary>
public delegate void InstanceStartedEventHandler(Guid applicationId, IProcess process);
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
namespace SafeExamBrowser.Monitoring.Contracts.Applications.Events
{
/// <summary>
/// Indicates that the given blacklisted applications could not be terminated.
/// </summary>
public delegate void TerminationFailedEventHandler(IEnumerable<RunningApplication> applications);
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using SafeExamBrowser.Monitoring.Contracts.Applications.Events;
using SafeExamBrowser.Settings.Applications;
namespace SafeExamBrowser.Monitoring.Contracts.Applications
{
/// <summary>
/// Monitors applications running on the computer.
/// </summary>
public interface IApplicationMonitor
{
/// <summary>
/// Event fired when a new instance of the Windows Explorer has been started.
/// </summary>
event ExplorerStartedEventHandler ExplorerStarted;
/// <summary>
/// Event fired when a new instance of a whitelisted application has been started.
/// </summary>
event InstanceStartedEventHandler InstanceStarted;
/// <summary>
/// Event fired when the automatic termination of a blacklisted application failed.
/// </summary>
event TerminationFailedEventHandler TerminationFailed;
/// <summary>
/// Initializes the application monitor.
/// </summary>
InitializationResult Initialize(ApplicationSettings settings);
/// <summary>
/// Starts monitoring all initialized applications. Windows Explorer will always be monitored.
/// </summary>
void Start();
/// <summary>
/// Stops the application monitoring.
/// </summary>
void Stop();
/// <summary>
/// Attempts to retrieve the currently active application (i.e. the application which currently has input focus). Returns <c>true</c> if
/// successful, otherwise <c>false</c>.
/// </summary>
bool TryGetActiveApplication(out ActiveApplication application);
/// <summary>
/// Attempts to terminate all processes of the specified application. Returns <c>true</c> if successful, otherwise <c>false</c>.
/// </summary>
bool TryTerminate(RunningApplication application);
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
namespace SafeExamBrowser.Monitoring.Contracts.Applications
{
/// <summary>
/// Represents a native window handled by the operating system.
/// </summary>
public interface IWindow
{
/// <summary>
/// The handle of the window.
/// </summary>
IntPtr Handle { get; }
/// <summary>
/// The title of the window.
/// </summary>
string Title { get; }
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
namespace SafeExamBrowser.Monitoring.Contracts.Applications
{
/// <summary>
/// Provides information about the initialization of the <see cref="IApplicationMonitor"/>.
/// </summary>
public class InitializationResult
{
/// <summary>
/// A list of currently running applications which could not be automatically terminated.
/// </summary>
public IList<RunningApplication> FailedAutoTerminations { get; }
/// <summary>
/// A list of currently running applications which need to be terminated.
/// </summary>
public IList<RunningApplication> RunningApplications { get; }
public InitializationResult()
{
FailedAutoTerminations = new List<RunningApplication>();
RunningApplications = new List<RunningApplication>();
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using SafeExamBrowser.WindowsApi.Contracts;
namespace SafeExamBrowser.Monitoring.Contracts.Applications
{
/// <summary>
/// Provides information about a running application.
/// </summary>
public class RunningApplication
{
/// <summary>
/// The name of the application.
/// </summary>
public string Name { get; }
/// <summary>
/// A list of processes which belong to the application.
/// </summary>
public IList<IProcess> Processes { get; }
public RunningApplication(string name)
{
Name = name;
Processes = new List<IProcess>();
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Display.Events
{
/// <summary>
/// Indicates that the configuration of a display has changed.
/// </summary>
public delegate void DisplayChangedEventHandler();
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using SafeExamBrowser.Monitoring.Contracts.Display.Events;
using SafeExamBrowser.Settings.Monitoring;
namespace SafeExamBrowser.Monitoring.Contracts.Display
{
/// <summary>
/// Monitors the displays of the computer for changes and provides access to display-related functionality.
/// </summary>
public interface IDisplayMonitor
{
/// <summary>
/// Event fired when the primary display or its settings have changed.
/// </summary>
event DisplayChangedEventHandler DisplayChanged;
/// <summary>
/// Sets the desktop working area to accommodate to the taskbar's height and removes the configured wallpaper (if possible).
/// </summary>
void InitializePrimaryDisplay(int taskbarHeight);
/// <summary>
/// Resets the desktop working area and wallpaper to their previous (initial) state.
/// </summary>
void ResetPrimaryDisplay();
/// <summary>
/// Starts monitoring for display changes, i.e. display changes will trigger the <c>DisplaySettingsChanged</c> event.
/// </summary>
void StartMonitoringDisplayChanges();
/// <summary>
/// Stops monitoring for display changes.
/// </summary>
void StopMonitoringDisplayChanges();
/// <summary>
/// Validates the currently active display configuration according to the given settings.
/// </summary>
ValidationResult ValidateConfiguration(DisplaySettings settings);
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Display
{
/// <summary>
/// Provides the result of a display configuration validation.
/// </summary>
public class ValidationResult
{
/// <summary>
/// Specifies the count of external displays detected.
/// </summary>
public int ExternalDisplays { get; set; }
/// <summary>
/// Specifies the count of internal displays detected.
/// </summary>
public int InternalDisplays { get; set; }
/// <summary>
/// Indicates whether the active display configuration is allowed.
/// </summary>
public bool IsAllowed { get; set; }
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using SafeExamBrowser.Settings.Security;
namespace SafeExamBrowser.Monitoring.Contracts
{
/// <summary>
/// Monitors the system clipboard and provides related functionality.
/// </summary>
public interface IClipboard
{
/// <summary>
/// Initializes the system clipboard according to the given policy.
/// </summary>
void Initialize(ClipboardPolicy policy);
/// <summary>
/// Finalizes the system clipboard.
/// </summary>
void Terminate();
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts
{
/// <summary>
/// Provides functionality related to remote session detection.
/// </summary>
public interface IRemoteSessionDetector
{
/// <summary>
/// Indicates whether the system is currently running in a remote session.
/// </summary>
bool IsRemoteSession();
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts
{
/// <summary>
/// Provides functionality related to virtual machine detection.
/// </summary>
public interface IVirtualMachineDetector
{
/// <summary>
/// Indicates whether the computer is in fact a virtual machine.
/// </summary>
bool IsVirtualMachine();
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Keyboard
{
/// <summary>
/// Intercepts all keyboard input (except the Secure Attention Sequence: https://en.wikipedia.org/wiki/Secure_attention_key).
/// </summary>
public interface IKeyboardInterceptor
{
/// <summary>
/// Starts intercepting keyboard input.
/// </summary>
void Start();
/// <summary>
/// Stops intercepting keyboard input.
/// </summary>
void Stop();
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Mouse
{
/// <summary>
/// Intercepts all mouse input.
/// </summary>
public interface IMouseInterceptor
{
/// <summary>
/// Starts intercepting mouse input.
/// </summary>
void Start();
/// <summary>
/// Stops intercepting mouse input.
/// </summary>
void Stop();
}
}

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using System.Reflection;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("SafeExamBrowser.Monitoring.Contracts")]
[assembly: AssemblyDescription("Safe Exam Browser")]
[assembly: AssemblyCompany("ETH Zürich")]
[assembly: AssemblyProduct("SafeExamBrowser.Monitoring.Contracts")]
[assembly: AssemblyCopyright("Copyright © 2024 ETH Zürich, IT Services")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("6d563a30-366d-4c35-815b-2c9e6872278b")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0.0")]

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{6D563A30-366D-4C35-815B-2C9E6872278B}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>SafeExamBrowser.Monitoring.Contracts</RootNamespace>
<AssemblyName>SafeExamBrowser.Monitoring.Contracts</AssemblyName>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<Deterministic>true</Deterministic>
<TargetFrameworkProfile />
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
<DebugSymbols>true</DebugSymbols>
<OutputPath>bin\x86\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<DebugType>full</DebugType>
<PlatformTarget>x86</PlatformTarget>
<ErrorReport>prompt</ErrorReport>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
<OutputPath>bin\x86\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<Optimize>true</Optimize>
<DebugType>pdbonly</DebugType>
<PlatformTarget>x86</PlatformTarget>
<ErrorReport>prompt</ErrorReport>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
<DebugSymbols>true</DebugSymbols>
<OutputPath>bin\x64\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<DebugType>full</DebugType>
<PlatformTarget>x64</PlatformTarget>
<ErrorReport>prompt</ErrorReport>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
<OutputPath>bin\x64\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<Optimize>true</Optimize>
<DebugType>pdbonly</DebugType>
<PlatformTarget>x64</PlatformTarget>
<ErrorReport>prompt</ErrorReport>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="Microsoft.CSharp" />
</ItemGroup>
<ItemGroup>
<Compile Include="Applications\ActiveApplication.cs" />
<Compile Include="Applications\Events\InstanceStartedEventHandler.cs" />
<Compile Include="Applications\Events\TerminationFailedEventHandler.cs" />
<Compile Include="Applications\IWindow.cs" />
<Compile Include="Applications\RunningApplication.cs" />
<Compile Include="Display\Events\DisplayChangedEventHandler.cs" />
<Compile Include="Applications\Events\ExplorerStartedEventHandler.cs" />
<Compile Include="Display\IDisplayMonitor.cs" />
<Compile Include="Display\ValidationResult.cs" />
<Compile Include="IClipboard.cs" />
<Compile Include="IRemoteSessionDetector.cs" />
<Compile Include="IVirtualMachineDetector.cs" />
<Compile Include="Keyboard\IKeyboardInterceptor.cs" />
<Compile Include="Mouse\IMouseInterceptor.cs" />
<Compile Include="Applications\InitializationResult.cs" />
<Compile Include="Applications\IApplicationMonitor.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="System\Events\SentinelEventArgs.cs" />
<Compile Include="System\Events\SentinelEventHandler.cs" />
<Compile Include="System\Events\SessionChangedEventHandler.cs" />
<Compile Include="System\ISystemSentinel.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\SafeExamBrowser.Settings\SafeExamBrowser.Settings.csproj">
<Project>{30b2d907-5861-4f39-abad-c4abf1b3470e}</Project>
<Name>SafeExamBrowser.Settings</Name>
</ProjectReference>
<ProjectReference Include="..\SafeExamBrowser.WindowsApi.Contracts\SafeExamBrowser.WindowsApi.Contracts.csproj">
<Project>{7016f080-9aa5-41b2-a225-385ad877c171}</Project>
<Name>SafeExamBrowser.WindowsApi.Contracts</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.System.Events
{
/// <summary>
/// The event arguments used for the <see cref="SentinelEventHandler"/> fired by the <see cref="ISystemSentinel"/>.
/// </summary>
public class SentinelEventArgs
{
/// <summary>
/// Indicates whether a configuration or state change shall be allowed.
/// </summary>
public bool Allow { get; set; }
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.System.Events
{
/// <summary>
/// The default handler for events of the <see cref="ISystemSentinel"/>. Normally indicates that a configuration or state has changed.
/// </summary>
public delegate void SentinelEventHandler(SentinelEventArgs args);
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.System.Events
{
/// <summary>
/// Indicates that the active user session of the operating system has changed.
/// </summary>
public delegate void SessionChangedEventHandler();
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using SafeExamBrowser.Monitoring.Contracts.System.Events;
namespace SafeExamBrowser.Monitoring.Contracts.System
{
/// <summary>
/// Provides the possibility to suppress and surveil various system components and functionalities.
/// </summary>
public interface ISystemSentinel
{
/// <summary>
/// Event fired when the cursor configuration has changed.
/// </summary>
event SentinelEventHandler CursorChanged;
/// <summary>
/// Event fired when the ease of access configuration has changed.
/// </summary>
event SentinelEventHandler EaseOfAccessChanged;
/// <summary>
/// Event fired when the active user session has changed.
/// </summary>
event SessionChangedEventHandler SessionChanged;
/// <summary>
/// Event fired when the sticky keys state has changed.
/// </summary>
event SentinelEventHandler StickyKeysChanged;
/// <summary>
/// Attempts to disable the sticky keys. Returns <c>true</c> if successful, otherwise <c>false</c>.
/// </summary>
bool DisableStickyKeys();
/// <summary>
/// Attempts to enable the sticky keys. Returns <c>true</c> if successful, otherwise <c>false</c>.
/// </summary>
bool EnableStickyKeys();
/// <summary>
/// Attempts to revert the sticky keys to their initial state. Returns <c>true</c> if successful, otherwise <c>false</c>.
/// </summary>
bool RevertStickyKeys();
/// <summary>
/// Starts monitoring the cursor configuration.
/// </summary>
void StartMonitoringCursors();
/// <summary>
/// Starts monitoring the ease of access configuration.
/// </summary>
void StartMonitoringEaseOfAccess();
/// <summary>
/// Starts monitoring the sticky keys state.
/// </summary>
void StartMonitoringStickyKeys();
/// <summary>
/// Starts monitoring the system events.
/// </summary>
void StartMonitoringSystemEvents();
/// <summary>
/// Stops all monitoring operations.
/// </summary>
void StopMonitoring();
/// <summary>
/// Verifies the cursor configuration. Returns <c>true</c> if permitted, otherwise <c>false</c>.
/// </summary>
bool VerifyCursors();
/// <summary>
/// Verifies the ease of access configuration. Returns <c>true</c> if permitted, otherwise <c>false</c>.
/// </summary>
bool VerifyEaseOfAccess();
}
}