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Global System Hooks in .NET

, 9 Jan 2005
A class library for using *global* system hooks in .NET.
systemhooks.zip
SystemHooks
Documentation
Managed Hooks.chm
ManagedHooks.ndoc
External References
HarnessIt - [Home].url
UnitedBinary.UnitTests.Framework.TestBasis.dll
ManagedHooks
ManagedHooks.csproj.user
ManagedHooksTests
ManagedHooks Tests.htp
ManagedHooksTests.csproj.user
SampleHookingApp
App.ico
SampleHookingApp.csproj.user
Stable Reference
Kennedy.ManagedHooks.dll
SampleHookingApp.exe
SystemHookCore.dll
SystemHookCore
SystemHookCore.def
systemhookscompiledonly.zip
SystemHooksCompiledOnly
Kennedy.ManagedHooks.dll
Managed Hooks.chm
SampleHookingApp.exe
SystemHookCore.dll
// /////////////////////////////////////////////////////////////
// File: SystemHookTestWrapper.cs	Class: Kennedy.ManagedHooks.Tests.SystemHookTestWrapper
// Date: 2/25/2004					Author: Michael Kennedy
// Language: C#						Framework: .NET
//
// Copyright: Copyright (c) Michael Kennedy, 2004
// /////////////////////////////////////////////////////////////
// License: See License.txt file included with application.
// Description: See compiled documentation (Managed Hooks.chm)
// /////////////////////////////////////////////////////////////

using System;

namespace Kennedy.ManagedHooks.Tests
{
	//
	// This class serves as a concrete instance of the SystemHook class for testing.
	// Also, it exposes otherwise hidden elements (via protected access). This allows
	// us to write tests against them.
	//
	public class SystemHookTestWrapper : Kennedy.ManagedHooks.SystemHook
	{
		public SystemHookTestWrapper(Kennedy.ManagedHooks.HookTypes type) : base(type)
		{
		}

		protected override void HookCallback(int code, System.UIntPtr wparam, System.IntPtr lparam)
		{
		}

		private static IntPtr MyApplicationInstance
		{
			get
			{
				System.Reflection.Assembly A = typeof(SystemHookTestWrapper).Assembly;
				System.Reflection.Module module = A.GetModules(false)[0];
				IntPtr appInstance = System.Runtime.InteropServices.Marshal.GetHINSTANCE(module);

				return appInstance;
			}
		}

		public void GetMousePositionWrapper(UIntPtr wparam, IntPtr lparam, ref int x, ref int y)
		{
			GetMousePosition(wparam, lparam, ref x, ref y);
		}

		public void GetKeyboardReadingWrapper(UIntPtr wparam, IntPtr lparam, ref int vkCode)
		{
			GetKeyboardReading(wparam, lparam, ref vkCode);
		}

		public void FilterMessageWrapper(int message)
		{
			base.FilterMessage(this.HookType, message);
		}

		public void FilterMessageWrapper(HookTypes type, int message)
		{
			base.FilterMessage(type, message);
		}
	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Michael Kennedy
Instructor / Trainer DevelopMentor
United States United States
Michael Kennedy is a founding partner and software engineer at United Binary, LLC (http://www.unitedbinary.com [^]) and he is active in the agile software development community. Michael has been developing software for over 10 years. The last 4 of those years have been solidly focused on .NET development. For more information, please visit his website http://www.michaelckennedy.net [^]
 
In a previous life, Michael was pursuing a fairly successful career in mathematics before he saw the True Light and chose The Way of Programming.

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