NativeMethods.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / AccessibleTech / WAP / Automation / UIAutomationClient / MS / Win32 / NativeMethods.cs / 1 / NativeMethods.cs
                        
                        
                            //**************************************************************************** 
// HOW TO USE THIS FILE
//
// If you need access to a Win32 API that is not exposed, simply uncomment
// it in one of the following files: 
//
// NativeMethods.cs 
// UnsafeNativeMethods.cs 
// SafeNativeMethods.cs
// 
// Only uncomment what you need to avoid code bloat.
//
// DO NOT adjust the visibility of anything in these files.  They are marked
// internal on pupose. 
//***************************************************************************
 
using System; 
using System.Runtime.InteropServices;
 
namespace MS.Win32
{
    internal static class NativeMethods
    { 
        public const int MAX_PATH   = 260;
 
        // Dialog Codes 
        internal const int WM_GETDLGCODE = 0x0087;
        internal const int DLGC_STATIC = 0x0100; 

        [StructLayout(LayoutKind.Sequential)]
        public struct HWND
        { 
            public IntPtr h;
 
            public static HWND Cast(IntPtr h) 
            {
                HWND hTemp = new HWND(); 
                hTemp.h = h;
                return hTemp;
            }
 
            public static implicit operator IntPtr(HWND h)
            { 
                return h.h; 
            }
 
            public static HWND NULL
            {
                get
                { 
                    HWND hTemp = new HWND();
                    hTemp.h = IntPtr.Zero; 
                    return hTemp; 
                }
            } 

            public static bool operator==(HWND hl, HWND hr)
            {
                return hl.h == hr.h; 
            }
 
            public static bool operator!=(HWND hl, HWND hr) 
            {
                return hl.h != hr.h; 
            }

            override public bool Equals(object oCompare)
            { 
                HWND hr = Cast((HWND)oCompare);
                return h == hr.h; 
            } 

            public override int GetHashCode() 
            {
                return (int) h;
            }
        } 

 
        [StructLayout(LayoutKind.Sequential)] 
        public struct RECT
        { 
            public int left;
            public int top;
            public int right;
            public int bottom; 

            public RECT(int left, int top, int right, int bottom) 
            { 
                this.left   = left;
                this.top    = top; 
                this.right  = right;
                this.bottom = bottom;
            }
 
            public bool IsEmpty
            { 
                get 
                {
                    return left >= right || top >= bottom; 
                }
            }
        }
 
        [StructLayout(LayoutKind.Sequential)]
        public struct POINT 
        { 
            public int x;
            public int y; 

            public POINT(int x, int y)
            {
                this.x  = x; 
                this.y  = y;
            } 
        } 

        // WinEvent specific consts and delegates 

        public const int EVENT_MIN = 0;
        public const int EVENT_MAX = 0x7FFFFFFF;
 
        public const int EVENT_SYSTEM_MENUSTART = 0x0004;
        public const int EVENT_SYSTEM_MENUEND = 0x0005; 
        public const int EVENT_SYSTEM_MENUPOPUPSTART = 0x0006; 
        public const int EVENT_SYSTEM_MENUPOPUPEND = 0x0007;
        public const int EVENT_SYSTEM_CAPTURESTART = 0x0008; 
        public const int EVENT_SYSTEM_CAPTUREEND = 0x0009;
        public const int EVENT_SYSTEM_SWITCHSTART = 0x0014;
        public const int EVENT_SYSTEM_SWITCHEND = 0x0015;
 
        public const int EVENT_OBJECT_CREATE = 0x8000;
        public const int EVENT_OBJECT_DESTROY = 0x8001; 
        public const int EVENT_OBJECT_SHOW = 0x8002; 
        public const int EVENT_OBJECT_HIDE = 0x8003;
        public const int EVENT_OBJECT_FOCUS = 0x8005; 
        public const int EVENT_OBJECT_STATECHANGE = 0x800A;
        public const int EVENT_OBJECT_LOCATIONCHANGE = 0x800B;

        public const int WINEVENT_OUTOFCONTEXT = 0x0000; 
        public const int WINEVENT_SKIPOWNTHREAD = 0x0001;
        public const int WINEVENT_SKIPOWNPROCESS = 0x0002; 
        public const int WINEVENT_INCONTEXT = 0x0004; 

        // WinEvent fired when new Avalon UI is created 
        public const int EventObjectUIFragmentCreate = 0x6FFFFFFF;

        // the delegate passed to USER for receiving a WinEvent
        public delegate void WinEventProcDef(int winEventHook, int eventId, IntPtr hwnd, int idObject, int idChild, int eventThread, uint eventTime); 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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NativeMethods.cs source code in C# .NET

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