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Chris Kaczor
2014-04-30 17:00:26 -04:00
commit 3f7d88e847
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## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
# User-specific files
*.suo
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*.sln.docstates
# Build results
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[Bb]uild[Ll]og.*
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>Common.Native</RootNamespace>
<AssemblyName>Common.Native</AssemblyName>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<FileUpgradeFlags>
</FileUpgradeFlags>
<OldToolsVersion>3.5</OldToolsVersion>
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<PropertyGroup>
<SignAssembly>true</SignAssembly>
<AssemblyOriginatorKeyFile>..\ChrisKaczor.pfx</AssemblyOriginatorKeyFile>
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<PlatformTarget>x86</PlatformTarget>
<CodeAnalysisLogFile>bin\Debug\Common.Native.dll.CodeAnalysisLog.xml</CodeAnalysisLogFile>
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<CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
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<Reference Include="System.Core">
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<Reference Include="System.Drawing" />
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<ItemGroup>
<Compile Include="Constants.cs" />
<Compile Include="Functions.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Structures.cs" />
<Compile Include="WinEvent.cs" />
<Compile Include="WinHook.cs" />
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2013
VisualStudioVersion = 12.0.30110.0
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Common.Native", "Common.Native.csproj", "{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|Any CPU = Release|Any CPU
Release|x64 = Release|x64
Release|x86 = Release|x86
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Debug|x86.ActiveCfg = Debug|x86
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Debug|x86.Build.0 = Debug|x86
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Release|Any CPU.ActiveCfg = Release|Any CPU
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Release|Any CPU.Build.0 = Release|Any CPU
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Release|x64.ActiveCfg = Release|x64
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Release|x64.Build.0 = Release|x64
{ED1C07A1-54F5-4796-8B06-2A0BB1960D84}.Release|x86.ActiveCfg = Release|x86
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GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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using System;
namespace Common.Native
{
public static class Constants
{
/// <summary>
/// SetWindowPos flags
/// </summary>
[Flags]
public enum WindowPositionFlags
{
AsyncWindowPosition = 0x4000,
DeferErase = 0x2000,
DrawFrame = 0x0020,
FrameChanged = 0x0020,
HideWindow = 0x0080,
NoActivate = 0x0010,
NoCopyBits = 0x0100,
NoMove = 0x0002,
NoOwnerZorder = 0x0200,
NoRedraw = 0x0008,
NoReposition = 0x0200,
NoSendChanging = 0x0400,
NoSize = 0x0001,
NoZorder = 0x0004,
ShowWindow = 0x0040,
}
/// <summary>
/// WM_SYSCOMMAND resize direction
/// </summary>
public enum ResizeDirection
{
Left = 61441,
Right = 61442,
Top = 61443,
TopLeft = 61444,
TopRight = 61445,
Bottom = 61446,
BottomLeft = 61447,
BottomRight = 61448,
}
/// <summary>
/// Window messages
/// </summary>
public enum WindowMessage
{
Create = 0x0001,
Destroy = 0x0002,
Move = 0x0003,
Moving = 0x0216,
Size = 0x0005,
Activate = 0x0006,
SetFocus = 0x0007,
KillFocus = 0x0008,
Enable = 0x000a,
SetRedraw = 0x000b,
SetText = 0x000c,
GetText = 0x000d,
GetTextLength = 0x000e,
Paint = 0x000f,
Close = 0x0010,
QueryEndSession = 0x0011,
Quit = 0x0012,
QueryOpen = 0x0013,
EraseBackground = 0x0014,
SystemColorChange = 0x0015,
WindowPositionChanging = 0x0046,
WindowPositionChanged = 0x0047,
QueryDragIcon = 0x0037,
GetIcon = 0x007F,
SetIcon = 0x0080,
CreateNonClientArea = 0x0081,
DestroyNonClientArea = 0x0082,
CalculateNonClientSize = 0x0083,
HitTestNonClientArea = 0x0084,
PaintNonClientArea = 0x0085,
ActivateNonClientArea = 0x0086,
GetDialogCode = 0x0087,
SyncPaint = 0x0088,
NonClientMouseMove = 0x00a0,
NonClientLeftButtonDown = 0x00a1,
NonClientLeftButtonUp = 0x00a2,
NonClientLeftButtonDoubleClick = 0x00a3,
NonClientRightButtonDown = 0x00a4,
NonClientRightButtonUp = 0x00a5,
NonClientRightButtonDoubleClick = 0x00a6,
NonClientMiddleButtonDown = 0x00a7,
NonClientMiddleButtonUp = 0x00a8,
NonClientMiddleButtonDoubleClick = 0x00a9,
SysKeyDown = 0x0104,
SysKeyUp = 0x0105,
SysChar = 0x0106,
SysDeadChar = 0x0107,
SysCommand = 0x0112,
Hotkey = 0x312,
DwmCompositionChanged = 0x031e,
User = 0x0400,
App = 0x8000,
}
public enum HitTestValues
{
Error = -2,
Transparent = -1,
Nowhere = 0,
Client = 1,
Caption = 2,
SystemMenu = 3,
GrowBox = 4,
Menu = 5,
HorizontalScroll = 6,
VerticalScroll = 7,
MinimizeButton = 8,
MaximizeButton = 9,
Left = 10,
Right = 11,
Top = 12,
TopLeft = 13,
TopRight = 14,
Bottom = 15,
BottomLeft = 16,
BottomRight = 17,
Border = 18,
Object = 19,
Close = 20,
Help = 21
}
[Flags]
public enum ExtendedWindowStyles
{
ToolWindow = 0x00000080,
}
public enum GetWindowLongFields
{
ExStyle = -20,
}
[Flags]
public enum ProcessAccess : uint
{
Terminate = 0x00000001,
CreateThread = 0x00000002,
SetSessionId = 0x00000004,
VmOperation = 0x00000008,
VmRead = 0x00000010,
VmWrite = 0x00000020,
DuplicateHandle = 0x00000040,
CreateProcess = 0x00000080,
SetQuota = 0x00000100,
SetInformation = 0x00000200,
QueryInformation = 0x00000400,
StandardRightsRequired = 0x000F0000,
Synchronize = 0x00100000,
AllAccess =
Terminate | CreateThread | SetSessionId | VmOperation | VmRead | VmWrite | DuplicateHandle |
CreateProcess | SetQuota | SetInformation | QueryInformation | StandardRightsRequired | Synchronize
}
[Flags]
public enum SnapshotFlags : uint
{
HeapList = 0x00000001,
Process = 0x00000002,
Thread = 0x00000004,
Module = 0x00000008,
Module32 = 0x00000010,
All = (HeapList | Process | Thread | Module),
Inherit = 0x80000000,
}
public enum ShowWindowCommand : uint
{
Hide = 0,
ShowNormal = 1,
Normal = 1,
ShowMinimized = 2,
ShowMaximized = 3,
Maximize = 3,
ShowNoActivate = 4,
Show = 5,
Minimize = 6,
ShowMinNoActive = 7,
ShowNa = 8,
Restore = 9
}
[Flags]
public enum SendMessageTimeoutFlags : uint
{
Normal = 0x0,
Block = 0x1,
AbortIfHung = 0x2,
NoTimeoutIfNotHung = 0x8
}
public const int ICON_BIG = 1;
public const int ICON_SMALL = 0;
public enum ClassLongFlags : int
{
GCLP_MENUNAME = -8,
GCLP_HBRBACKGROUND = -10,
GCLP_HCURSOR = -12,
GCLP_HICON = -14,
GCLP_HMODULE = -16,
GCL_CBWNDEXTRA = -18,
GCL_CBCLSEXTRA = -20,
GCLP_WNDPROC = -24,
GCL_STYLE = -26,
GCLP_HICONSM = -34,
GCW_ATOM = -32
}
public static readonly IntPtr InvalidHandle = new IntPtr(-1);
}
}

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using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;
namespace Common.Native
{
public static class TypeExtensions
{
public static int HighWord(this int value)
{
return ((short) (((value) >> 16) & 0xFFFF));
}
public static int LowWord(this int value)
{
return ((short) value);
}
public static int HighWord(this IntPtr value)
{
return ((int) value).HighWord();
}
public static int LowWord(this IntPtr value)
{
return ((int) value).LowWord();
}
}
public static class Functions
{
public static class Window
{
public static bool IsChild(IntPtr childHandle, IntPtr parentHandle)
{
if (childHandle == parentHandle)
return true;
if (childHandle == IntPtr.Zero)
return false;
return IsChild(User32.GetParent(childHandle), parentHandle);
}
public static string GetText(IntPtr hWnd)
{
// Allocate correct string length first
int length = User32.GetWindowTextLength(hWnd);
var sb = new StringBuilder(length + 1);
User32.GetWindowText(hWnd, sb, sb.Capacity);
return sb.ToString();
}
public static string GetClass(IntPtr hWnd)
{
// Allocate correct string length first
const int length = 255;
var sb = new StringBuilder(length + 1);
User32.RealGetWindowClass(hWnd, sb, sb.Capacity);
return sb.ToString();
}
public static void Show(IntPtr hWnd, Constants.ShowWindowCommand command)
{
var windowPlacement = new Structures.WindowPlacement();
User32.GetWindowPlacement(hWnd, ref windowPlacement);
windowPlacement.ShowCommand = command;
User32.SetWindowPlacement(hWnd, ref windowPlacement);
}
public static Icon GetSmallIcon(IntPtr hWnd)
{
try
{
IntPtr hIcon;
User32.SendMessageTimeout(hWnd,
(uint) Constants.WindowMessage.GetIcon,
(IntPtr) Constants.ICON_SMALL,
IntPtr.Zero,
Constants.SendMessageTimeoutFlags.AbortIfHung,
1000,
out hIcon);
if (hIcon == IntPtr.Zero)
{
hIcon = User32.GetClassLongPtr(hWnd, Constants.ClassLongFlags.GCLP_HICONSM);
}
if (hIcon == IntPtr.Zero)
{
User32.SendMessageTimeout(
hWnd,
(uint) Constants.WindowMessage.QueryDragIcon,
IntPtr.Zero,
IntPtr.Zero,
Constants.SendMessageTimeoutFlags.AbortIfHung,
1000,
out hIcon);
}
return hIcon == IntPtr.Zero ? null : Icon.FromHandle(hIcon);
}
catch (Exception)
{
return null;
}
}
}
public static class User32
{
public delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetWindowPlacement(IntPtr hWnd, ref Structures.WindowPlacement lpwndpl);
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWindowPlacement(IntPtr hWnd, [In] ref Structures.WindowPlacement lpwndpl);
[DllImport("user32.dll")]
public static extern uint RealGetWindowClass(IntPtr hwnd, [Out] StringBuilder pszType, int cchType);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern int GetWindowTextLength(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr SendMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern IntPtr SendMessageTimeout(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam, Constants.SendMessageTimeoutFlags flags, uint timeout, out IntPtr result);
[DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern IntPtr GetParent(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll")]
public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
[DllImport("user32.dll")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr SetWindowLongPtr(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
public static IntPtr SetWindowLongPtrSmart(IntPtr hWnd, int nIndex, IntPtr dwNewLong)
{
if (IntPtr.Size == 8)
return SetWindowLongPtr(hWnd, nIndex, dwNewLong);
return new IntPtr(SetWindowLong(hWnd, nIndex, dwNewLong.ToInt32()));
}
[DllImport("user32.dll", EntryPoint = "GetClassLong")]
public static extern uint GetClassLongPtr32(IntPtr hWnd, Constants.ClassLongFlags nIndex);
[DllImport("user32.dll", EntryPoint = "GetClassLongPtr")]
public static extern IntPtr GetClassLongPtr64(IntPtr hWnd, Constants.ClassLongFlags nIndex);
public static IntPtr GetClassLongPtr(IntPtr hWnd, Constants.ClassLongFlags nIndex)
{
if (IntPtr.Size > 4)
return GetClassLongPtr64(hWnd, nIndex);
return new IntPtr(GetClassLongPtr32(hWnd, nIndex));
}
}
public static class Kernel32
{
[DllImport("kernel32.dll", EntryPoint = "SetLastError")]
public static extern void SetLastError(int dwErrorCode);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern IntPtr CreateToolhelp32Snapshot(Constants.SnapshotFlags flags, uint processId);
[DllImport("kernel32.dll")]
public static extern bool Process32First(IntPtr handle, ref Structures.ProcessEntry32 processInfo);
[DllImport("kernel32.dll")]
public static extern bool Process32Next(IntPtr handle, ref Structures.ProcessEntry32 processInfo);
[DllImport("kernel32.dll")]
public static extern bool CloseHandle(IntPtr handle);
[DllImport("kernel32.dll")]
public static extern IntPtr OpenProcess(Constants.ProcessAccess desiredAccess, bool inheritHandle, uint processId);
[DllImport("kernel32.dll")]
public static extern bool GetProcessTimes(IntPtr processHandle, out long creationTime, out long exitTime, out long kernelTime, out long userTime);
[DllImport("kernel32.dll")]
public static extern uint GetCurrentThreadId();
}
}
}

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using System.Reflection;
using System.Runtime.CompilerServices;
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("Common.Native")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft")]
[assembly: AssemblyProduct("Common.Native")]
[assembly: AssemblyCopyright("Copyright © Microsoft 2009")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// 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("efb734ae-c52e-4719-a333-c8abde2c2823")]
// 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")]

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using System;
using System.Runtime.InteropServices;
namespace Common.Native
{
public static class Structures
{
[StructLayout(LayoutKind.Sequential)]
public struct Point
{
public int X;
public int Y;
public Point(int x, int y)
{
X = x;
Y = y;
}
public Point(System.Drawing.Point pt) : this(pt.X, pt.Y) { }
public static implicit operator System.Drawing.Point(Point p)
{
return new System.Drawing.Point(p.X, p.Y);
}
public static implicit operator Point(System.Drawing.Point p)
{
return new Point(p.X, p.Y);
}
}
[StructLayout(LayoutKind.Sequential)]
public struct Rect
{
public int Left, Top, Right, Bottom;
public Rect(int left, int top, int right, int bottom)
{
Left = left;
Top = top;
Right = right;
Bottom = bottom;
}
public Rect(System.Drawing.Rectangle r) : this(r.Left, r.Top, r.Right, r.Bottom) { }
public int X
{
get { return Left; }
set { Right -= (Left - value); Left = value; }
}
public int Y
{
get { return Top; }
set { Bottom -= (Top - value); Top = value; }
}
public int Height
{
get { return Bottom - Top; }
set { Bottom = value + Top; }
}
public int Width
{
get { return Right - Left; }
set { Right = value + Left; }
}
public System.Drawing.Point Location
{
get { return new System.Drawing.Point(Left, Top); }
set { X = value.X; Y = value.Y; }
}
public System.Drawing.Size Size
{
get { return new System.Drawing.Size(Width, Height); }
set { Width = value.Width; Height = value.Height; }
}
public static implicit operator System.Drawing.Rectangle(Rect r)
{
return new System.Drawing.Rectangle(r.Left, r.Top, r.Width, r.Height);
}
public static implicit operator Rect(System.Drawing.Rectangle r)
{
return new Rect(r);
}
public static bool operator ==(Rect r1, Rect r2)
{
return r1.Equals(r2);
}
public static bool operator !=(Rect r1, Rect r2)
{
return !r1.Equals(r2);
}
public bool Equals(Rect r)
{
return r.Left == Left && r.Top == Top && r.Right == Right && r.Bottom == Bottom;
}
public override bool Equals(object obj)
{
if (obj is Rect)
return Equals((Rect) obj);
if (obj is System.Drawing.Rectangle)
return Equals(new Rect((System.Drawing.Rectangle) obj));
return false;
}
public override int GetHashCode()
{
return ((System.Drawing.Rectangle) this).GetHashCode();
}
public override string ToString()
{
return string.Format(System.Globalization.CultureInfo.CurrentCulture, "{{Left={0},Top={1},Right={2},Bottom={3}}}", Left, Top, Right, Bottom);
}
}
[StructLayout(LayoutKind.Sequential)]
public struct CWPRETSTRUCT
{
public IntPtr lResult;
public IntPtr lParam;
public IntPtr wParam;
public uint message;
public IntPtr hwnd;
}
[StructLayout(LayoutKind.Sequential)]
public struct WindowPosition
{
public IntPtr Handle;
public IntPtr HandleInsertAfter;
public int Left;
public int Top;
public int Width;
public int Height;
public Constants.WindowPositionFlags Flags;
public int Right { get { return Left + Width; } }
public int Bottom { get { return Top + Height; } }
public bool IsSameLocationAndSize(WindowPosition compare)
{
return (compare.Left == Left && compare.Top == Top && compare.Width == Width && compare.Height == Height);
}
public bool IsSameSize(WindowPosition compare)
{
return (compare.Width == Width && compare.Height == Height);
}
public bool IsSameLocation(WindowPosition compare)
{
return (compare.Left == Left && compare.Top == Top);
}
}
[StructLayout(LayoutKind.Sequential)]
public struct ProcessEntry32
{
public uint Size;
public uint Usage;
public uint ProcessId;
public IntPtr DefaultHeapId;
public uint ModuleId;
public uint Threads;
public uint ParentProcessId;
public int PriorityClassBase;
public uint Flags;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
public string ExeFilename;
}
public struct WindowPlacement
{
public int Length;
public int Flags;
public Constants.ShowWindowCommand ShowCommand;
public Point MinPosition;
public Point MaxPosition;
public Rect NormalPosition;
}
}
}

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using System;
using System.Runtime.InteropServices;
namespace Common.Native
{
public class WinEvent
{
public enum Event
{
Min = 0x00000001,
Max = 0x7FFFFFFF,
/*
* EVENT_SYSTEM_SOUND
* Sent when a sound is played. Currently nothing is generating this, we
* this event when a system sound (for menus, etc) is played. Apps
* generate this, if accessible, when a private sound is played. For
* example, if Mail plays a "New Mail" sound.
*
* System Sounds:
* (Generated by PlaySoundEvent in USER itself)
* hwnd is NULL
* idObject is OBJID_SOUND
* idChild is sound child ID if one
* App Sounds:
* (PlaySoundEvent won't generate notification; up to app)
* hwnd + idObject gets interface pointer to Sound object
* idChild identifies the sound in question
* are going to be cleaning up the SOUNDSENTRY feature in the control panel
* and will use this at that time. Applications implementing WinEvents
* are perfectly welcome to use it. Clients of IAccessible* will simply
* turn around and get back a non-visual object that describes the sound.
*/
SystemSound = 0x0001,
/*
* EVENT_SYSTEM_ALERT
* System Alerts:
* (Generated by MessageBox() calls for example)
* hwnd is hwndMessageBox
* idObject is OBJID_ALERT
* App Alerts:
* (Generated whenever)
* hwnd+idObject gets interface pointer to Alert
*/
SystemAlert = 0x0002,
/*
* EVENT_SYSTEM_FOREGROUND
* Sent when the foreground (active) window changes, even if it is changing
* to another window in the same thread as the previous one.
* hwnd is hwndNewForeground
* idObject is OBJID_WINDOW
* idChild is INDEXID_OBJECT
*/
SystemForeground = 0x0003,
/*
* Menu
* hwnd is window (top level window or popup menu window)
* idObject is ID of control (OBJID_MENU, OBJID_SYSMENU, OBJID_SELF for popup)
* idChild is CHILDID_SELF
*
* EVENT_SYSTEM_MENUSTART
* EVENT_SYSTEM_MENUEND
* For MENUSTART, hwnd+idObject+idChild refers to the control with the menu bar,
* or the control bringing up the context menu.
*
* Sent when entering into and leaving from menu mode (system, app bar, and
* track popups).
*/
SystemMenuStart = 0x0004,
SystemMenuEnd = 0x0005,
/*
* EVENT_SYSTEM_MENUPOPUPSTART
* EVENT_SYSTEM_MENUPOPUPEND
* Sent when a menu popup comes up and just before it is taken down. Note
* that for a call to TrackPopupMenu(), a client will see EVENT_SYSTEM_MENUSTART
* followed almost immediately by EVENT_SYSTEM_MENUPOPUPSTART for the popup
* being shown.
*
* For MENUPOPUP, hwnd+idObject+idChild refers to the NEW popup coming up, not the
* parent item which is hierarchical. You can get the parent menu/popup by
* asking for the accParent object.
*/
SystemMenuPopupStart = 0x0006,
SystemMenuPopupEnd = 0x0007,
/*
* EVENT_SYSTEM_CAPTURESTART
* EVENT_SYSTEM_CAPTUREEND
* Sent when a window takes the capture and releases the capture.
*/
SystemCaptureStart = 0x0008,
SystemCaptureEnd = 0x0009,
/*
* Move Size
* EVENT_SYSTEM_MOVESIZESTART
* EVENT_SYSTEM_MOVESIZEEND
* Sent when a window enters and leaves move-size dragging mode.
*/
SystemMoveSizeStart = 0x000A,
SystemMoveSizeEnd = 0x000B,
/*
* Context Help
* EVENT_SYSTEM_CONTEXTHELPSTART
* EVENT_SYSTEM_CONTEXTHELPEND
* Sent when a window enters and leaves context sensitive help mode.
*/
SystemContextHelpStart = 0x000C,
EventSystemContextHelpEnd = 0x000D,
/*
* Drag & Drop
* EVENT_SYSTEM_DRAGDROPSTART
* EVENT_SYSTEM_DRAGDROPEND
* Send the START notification just before going into drag&drop loop. Send
* the END notification just after canceling out.
* Note that it is up to apps and OLE to generate this, since the system
* doesn't know. Like EVENT_SYSTEM_SOUND, it will be a while before this
* is prevalent.
*/
SystemDragDropStart = 0x000E,
SystemDragdropEnd = 0x000F,
/*
* Dialog
* Send the START notification right after the dialog is completely
* initialized and visible. Send the END right before the dialog
* is hidden and goes away.
* EVENT_SYSTEM_DIALOGSTART
* EVENT_SYSTEM_DIALOGEND
*/
SystemDialogStart = 0x0010,
SystemDialogEnd = 0x0011,
/*
* EVENT_SYSTEM_SCROLLING
* EVENT_SYSTEM_SCROLLINGSTART
* EVENT_SYSTEM_SCROLLINGEND
* Sent when beginning and ending the tracking of a scrollbar in a window,
* and also for scrollbar controls.
*/
SystemScrollingStart = 0x0012,
SystemScrollingEnd = 0x0013,
/*
* Alt-Tab Window
* Send the START notification right after the switch window is initialized
* and visible. Send the END right before it is hidden and goes away.
* EVENT_SYSTEM_SWITCHSTART
* EVENT_SYSTEM_SWITCHEND
*/
SystemSwitchStart = 0x0014,
SystemSwitchEnd = 0x0015,
/*
* EVENT_SYSTEM_MINIMIZESTART
* EVENT_SYSTEM_MINIMIZEEND
* Sent when a window minimizes and just before it restores.
*/
SystemMinimizeStart = 0x0016,
SystemMinimizeEnd = 0x0017,
SystemDesktopSwitch = 0x0020,
EventSystemEnd = 0x00FF,
OemDefinedStart = 0x0101,
OemDefinedEnd = 0x01FF,
UiaEventIdStart = 0x4E00,
UiaEventIdEnd = 0x4EFF,
UiaPropIdStart = 0x7500,
UiaPropIdEnd = 0x75FF,
ConsoleCaret = 0x4001,
ConsoleUpdateRegion = 0x4002,
ConsoleUpdateSimple = 0x4003,
ConsoleUpdateScroll = 0x4004,
ConsoleLayout = 0x4005,
ConsoleStartApplication = 0x4006,
ConsoleEndApplication = 0x4007,
ConsoleEnd = 0x40FF,
/*
* Object events
*
* The system AND apps generate these. The system generates these for
* real windows. Apps generate these for objects within their window which
* act like a separate control, e.g. an item in a list view.
*
* When the system generate them, dwParam2 is always WMOBJID_SELF. When
* apps generate them, apps put the has-meaning-to-the-app-only ID value
* in dwParam2.
* For all events, if you want detailed accessibility information, callers
* should
* * Call AccessibleObjectFromWindow() with the hwnd, idObject parameters
* of the event, and IID_IAccessible as the REFIID, to get back an
* IAccessible* to talk to
* * Initialize and fill in a VARIANT as VT_I4 with lVal the idChild
* parameter of the event.
* * If idChild isn't zero, call get_accChild() in the container to see
* if the child is an object in its own right. If so, you will get
* back an IDispatch* object for the child. You should release the
* parent, and call QueryInterface() on the child object to get its
* IAccessible*. Then you talk directly to the child. Otherwise,
* if get_accChild() returns you nothing, you should continue to
* use the child VARIANT. You will ask the container for the properties
* of the child identified by the VARIANT. In other words, the
* child in this case is accessible but not a full-blown object.
* Like a button on a titlebar which is 'small' and has no children.
*/
/*
* For all EVENT_OBJECT events,
* hwnd is the dude to Send the WM_GETOBJECT message to (unless NULL,
* see above for system things)
* idObject is the ID of the object that can resolve any queries a
* client might have. It's a way to deal with windowless controls,
* controls that are just drawn on the screen in some larger parent
* window (like SDM), or standard frame elements of a window.
* idChild is the piece inside of the object that is affected. This
* allows clients to access things that are too small to have full
* blown objects in their own right. Like the thumb of a scrollbar.
* The hwnd/idObject pair gets you to the container, the dude you
* probably want to talk to most of the time anyway. The idChild
* can then be passed into the acc properties to get the name/value
* of it as needed.
*
* Example #1:
* System propagating a listbox selection change
* EVENT_OBJECT_SELECTION
* hwnd == listbox hwnd
* idObject == OBJID_WINDOW
* idChild == new selected item, or CHILDID_SELF if
* nothing now selected within container.
* Word '97 propagating a listbox selection change
* hwnd == SDM window
* idObject == SDM ID to get at listbox 'control'
* idChild == new selected item, or CHILDID_SELF if
* nothing
*
* Example #2:
* System propagating a menu item selection on the menu bar
* EVENT_OBJECT_SELECTION
* hwnd == top level window
* idObject == OBJID_MENU
* idChild == ID of child menu bar item selected
*
* Example #3:
* System propagating a dropdown coming off of said menu bar item
* EVENT_OBJECT_CREATE
* hwnd == popup item
* idObject == OBJID_WINDOW
* idChild == CHILDID_SELF
*
* Example #4:
*
* For EVENT_OBJECT_REORDER, the object referred to by hwnd/idObject is the
* PARENT container in which the zorder is occurring. This is because if
* one child is zordering, all of them are changing their relative zorder.
*/
ObjectCreate = 0x8000, // hwnd + ID + idChild is created item
ObjectDestroy = 0x8001, // hwnd + ID + idChild is destroyed item
ObjectShow = 0x8002, // hwnd + ID + idChild is shown item
ObjectHide = 0x8003, // hwnd + ID + idChild is hidden item
ObjectReorder = 0x8004, // hwnd + ID + idChild is parent of zordering children
/*
* NOTE:
* Minimize the number of notifications!
*
* When you are hiding a parent object, obviously all child objects are no
* longer visible on screen. They still have the same "visible" status,
* but are not truly visible. Hence do not send HIDE notifications for the
* children also. One implies all. The same goes for SHOW.
*/
ObjectFocus = 0x8005, // hwnd + ID + idChild is focused item
ObjectSelection = 0x8006, // hwnd + ID + idChild is selected item (if only one), or idChild is OBJID_WINDOW if complex
ObjectSelectionAdd = 0x8007, // hwnd + ID + idChild is item added
ObjectSelectionRemove = 0x8008, // hwnd + ID + idChild is item removed
ObjectSelectionWithin = 0x8009, // hwnd + ID + idChild is parent of changed selected items
/*
* NOTES:
* There is only one "focused" child item in a parent. This is the place
* keystrokes are going at a given moment. Hence only send a notification
* about where the NEW focus is going. A NEW item getting the focus already
* implies that the OLD item is losing it.
*
* SELECTION however can be multiple. Hence the different SELECTION
* notifications. Here's when to use each:
*
* (1) Send a SELECTION notification in the simple single selection
* case (like the focus) when the item with the selection is
* merely moving to a different item within a container. hwnd + ID
* is the container control, idChildItem is the new child with the
* selection.
*
* (2) Send a SELECTIONADD notification when a new item has simply been added
* to the selection within a container. This is appropriate when the
* number of newly selected items is very small. hwnd + ID is the
* container control, idChildItem is the new child added to the selection.
*
* (3) Send a SELECTIONREMOVE notification when a new item has simply been
* removed from the selection within a container. This is appropriate
* when the number of newly selected items is very small, just like
* SELECTIONADD. hwnd + ID is the container control, idChildItem is the
* new child removed from the selection.
*
* (4) Send a SELECTIONWITHIN notification when the selected items within a
* control have changed substantially. Rather than propagate a large
* number of changes to reflect removal for some items, addition of
* others, just tell somebody who cares that a lot happened. It will
* be faster an easier for somebody watching to just turn around and
* query the container control what the new bunch of selected items
* are.
*/
ObjectStateChange = 0x800A, // hwnd + ID + idChild is item w/ state change
/*
* Examples of when to send an EVENT_OBJECT_STATECHANGE include
* * It is being enabled/disabled (USER does for windows)
* * It is being pressed/released (USER does for buttons)
* * It is being checked/unchecked (USER does for radio/check buttons)
*/
ObjectLocationChange = 0x800B, // hwnd + ID + idChild is moved/sized item
/*
* Note:
* A LOCATIONCHANGE is not sent for every child object when the parent
* changes shape/moves. Send one notification for the topmost object
* that is changing. For example, if the user resizes a top level window,
* USER will generate a LOCATIONCHANGE for it, but not for the menu bar,
* title bar, scrollbars, etc. that are also changing shape/moving.
*
* In other words, it only generates LOCATIONCHANGE notifications for
* real windows that are moving/sizing. It will not generate a LOCATIONCHANGE
* for every non-floating child window when the parent moves (the children are
* logically moving also on screen, but not relative to the parent).
*
* Now, if the app itself resizes child windows as a result of being
* sized, USER will generate LOCATIONCHANGEs for those dudes also because
* it doesn't know better.
*
* Note also that USER will generate LOCATIONCHANGE notifications for two
* non-window sys objects:
* (1) System caret
* (2) Cursor
*/
ObjectNameChange = 0x800C, // hwnd + ID + idChild is item w/ name change
ObjectDescriptionChange = 0x800D, // hwnd + ID + idChild is item w/ desc change
ObjectValueChange = 0x800E, // hwnd + ID + idChild is item w/ value change
ObjectParentChange = 0x800F, // hwnd + ID + idChild is item w/ new parent
ObjectHelpChange = 0x8010, // hwnd + ID + idChild is item w/ help change
ObjectDefaultActionChange = 0x8011, // hwnd + ID + idChild is item w/ def action change
ObjectAcceleratorChange = 0x8012, // hwnd + ID + idChild is item w/ keybd accel change
ObjectInvoked = 0x8013, // hwnd + ID + idChild is item invoked
ObjectTextSelectionChanged = 0x8014, // hwnd + ID + idChild is item w? test selection change
/*
* EVENT_OBJECT_CONTENTSCROLLED
* Sent when ending the scrolling of a window object.
*
* Unlike the similar event (EVENT_SYSTEM_SCROLLEND), this event will be
* associated with the scrolling window itself. There is no difference
* between horizontal or vertical scrolling.
*
* This event should be posted whenever scroll action is completed, including
* when it is scrolled by scroll bars, mouse wheel, or keyboard navigations.
*
* example:
* hwnd == window that is scrolling
* idObject == OBJID_CLIENT
* idChild == CHILDID_SELF
*/
ObjectContentScrolled = 0x8015,
SystemArrangmentPreview = 0x8016,
ObjectEnd = 0x80FF,
AiaStart = 0xA000,
AiaEnd = 0xAFFF
}
public enum ObjectIdentifier : uint
{
Window = 0x00000000,
SystemMenu = 0xFFFFFFFF,
TitleBar = 0xFFFFFFFE,
Menu = 0xFFFFFFFD,
Client = 0xFFFFFFFC,
VerticalScroll = 0xFFFFFFFB,
HorizontalScroll = 0xFFFFFFFA,
SizeGrip = 0xFFFFFFF9,
Caret = 0xFFFFFFF8,
Cursor = 0xFFFFFFF7,
Alert = 0xFFFFFFF6,
Sound = 0xFFFFFFF5
}
public enum ChildIdentifier
{
Self = 0
}
[Flags]
public enum SetWinEventHookFlags : uint
{
OutOfContext = 0x0000, // Events are ASYNC
SkipOwnThread = 0x0001, // Don't call back for events on installer's thread
SkipOwnProcess = 0x0002, // Don't call back for events on installer's process
InContext = 0x0004, // Events are SYNC, this causes your dll to be injected into every process
}
public delegate void WinEventDelegate(IntPtr hWinEventHook, Event eventType, IntPtr hwnd, ObjectIdentifier idObject, int idChild, uint dwEventThread, uint dwmsEventTime);
[DllImport("user32.dll")]
public static extern IntPtr SetWinEventHook(Event eventMin, Event eventMax, IntPtr hmodWinEventProc, WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, SetWinEventHookFlags dwFlags);
[DllImport("user32.dll")]
public static extern bool UnhookWinEvent(IntPtr hWinEventHook);
}
}

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using System;
using System.Runtime.InteropServices;
namespace Common.Native
{
public class WinHook
{
public enum HookType
{
WH_JOURNALRECORD = 0,
WH_JOURNALPLAYBACK = 1,
WH_KEYBOARD = 2,
WH_GETMESSAGE = 3,
WH_CALLWNDPROC = 4,
WH_CBT = 5,
WH_SYSMSGFILTER = 6,
WH_MOUSE = 7,
WH_HARDWARE = 8,
WH_DEBUG = 9,
WH_SHELL = 10,
WH_FOREGROUNDIDLE = 11,
WH_CALLWNDPROCRET = 12,
WH_KEYBOARD_LL = 13,
WH_MOUSE_LL = 14
}
public delegate IntPtr HookProc(int code, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", SetLastError = true)]
public static extern IntPtr SetWindowsHookEx(HookType hookType, HookProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll")]
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool UnhookWindowsHookEx(IntPtr hhk);
}
}