C# Win32类代码示例

        private Tree CaptureWindow(IntPtr hwnd, Win32.WINDOWINFO windowinfo, bool usePrintWindow, bool fixedSize = false)
        {
            BoundingBox windowRect = new BoundingBox(windowinfo.rcWindow.left, windowinfo.rcWindow.top,
                            windowinfo.rcWindow.right - windowinfo.rcWindow.left + 1, windowinfo.rcWindow.bottom - windowinfo.rcWindow.top + 1);

            var attributes = GetWindowAttributes(hwnd, windowinfo);

            if (windowRect.Width > 0 && windowRect.Height > 0)
            {
                System.Drawing.Bitmap bmp;
                int width = windowRect.Width;
                int height = windowRect.Height;

                if(fixedSize)
                {
                    width = (int)System.Windows.SystemParameters.VirtualScreenWidth;
                    height = (int)System.Windows.SystemParameters.VirtualScreenHeight;
                }

                if (!usePrintWindow)
                    bmp = GetBitmapFromScreen(hwnd, null, width, height);
                else
                    bmp = GetBitmapFromPrintWindow(hwnd, null, width, height);

                Tree window = _bitmapToTree.GetScreenshotAndCreateTree(windowRect.Width, windowRect.Height, bmp, attributes);
                //_pool.ReturnInstance(bmp);
                return window;
            }

            return null;
        }

 // Methods
 public ColorOperation()
 {
     this.mouseAreaControl = null;
     this.translatePath = new GraphicsPath();
     this.scalePath = new GraphicsPath();
     this.rotatePath = new GraphicsPath();
     this.equalPath = new GraphicsPath();
     this.skewxPath = new GraphicsPath();
     this.skewyPath = new GraphicsPath();
     this.anglescalePath = new GraphicsPath();
     this.vscalPath = new GraphicsPath();
     this.controlPoints = null;
     this.reversePath = new GraphicsPath();
     this.startPoint = PointF.Empty;
     this.win32 = new Win32();
     this.ratiomatrix = new Matrix();
     this.graphMatrix = new Matrix();
     this.selectMatrix = new Matrix();
     this.gradientMatrix = new Matrix();
     this.gradientPath = new GraphicsPath();
     this.gradientheight = 1f;
     this.centerPoint = PointF.Empty;
     this.gradientstr = string.Empty;
     this.colorpickerstr = string.Empty;
     this.gradientstr = DrawAreaConfig.GetLabelForName("gradienttransform").Trim();
     this.colorpickerstr = DrawAreaConfig.GetLabelForName("colorpicker").Trim();
 }

 public Monitor(Win32.DISPLAY_DEVICE device, Win32.DEVMODE currentDisplaySettings, List<Win32.DEVMODE> availableDisplaySettings)
 {
     Device = device;
     AvailableDisplaySettings = availableDisplaySettings;
     CurrentDisplaySettings = currentDisplaySettings;
     IsPrimary = CurrentDisplaySettings.dmPositionX == 0 && CurrentDisplaySettings.dmPositionY == 0;
 }

        bool GetPreferences(string section, out Win32.RECT rect, out long style, out long exStyle)
        {
            rect = new Win32.RECT();
            style = 0;
            exStyle = 0;

            if (!Preferences.HasSection(section))
            {
                return false;
            }
            string[] keys = { "rectLeft", "rectTop", "rectRight", "rectBottom", "style", "exStyle" };
            foreach (string key in keys)
            {
                if (!Preferences[section].HasKey(key))
                {
                    return false;
                }
            }
            if (!int.TryParse(Preferences[section]["rectLeft"].Value, out rect.Left)) { return false; }
            if (!int.TryParse(Preferences[section]["rectTop"].Value, out rect.Top)) { return false; }
            if (!int.TryParse(Preferences[section]["rectRight"].Value, out rect.Right)) { return false; }
            if (!int.TryParse(Preferences[section]["rectBottom"].Value, out rect.Bottom)) { return false; }
            if (!long.TryParse(Preferences[section]["style"].Value, out style)) { return false; }
            if (!long.TryParse(Preferences[section]["exStyle"].Value, out exStyle)) { return false; }
            return true;
        }

        /// <summary>
        /// Gets the icon as an <see cref="ImageSource"/> for the specified path.
        /// </summary>
        /// <param name="path">The path.</param>
        /// <param name="info">The shell file info.</param>
        /// <returns>The icon as an <see cref="ImageSource"/> for the specified path.</returns>
        public static ImageSource GetImageSource(string path, out Win32.SHFILEINFO info)
        {
            info = new Win32.SHFILEINFO();

            int attr;
            if (Directory.Exists(path))
                attr = (int)Win32.FILE_ATTRIBUTE_DIRECTORY;
            else if (File.Exists(path))
                attr = (int)Win32.FILE_ATTRIBUTE_NORMAL;
            else if (path.Length == 3) // drive not ready
                attr = (int)Win32.FILE_ATTRIBUTE_DIRECTORY;
            else
                return null;

            Win32.SHGetFileInfo(path, attr, out info, (uint)Marshal.SizeOf(typeof(Win32.SHFILEINFO)), Win32.SHGFI_DISPLAYNAME | Win32.SHGFI_ICON | Win32.SHGFI_TYPENAME | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);

            ImageSource img = null;
            if (info.hIcon != IntPtr.Zero)
            {
                using (Icon icon = Icon.FromHandle(info.hIcon))
                {
                    img = Imaging.CreateBitmapSourceFromHIcon(icon.Handle, new Int32Rect(0, 0, icon.Width, icon.Height), BitmapSizeOptions.FromEmptyOptions());
                }

                Win32.DestroyIcon(info.hIcon);
            }

            return img;
        }

 // Methods
 public ViewOperation()
 {
     this.mouseAreaControl = null;
     this.startPoint = Point.Empty;
     this.oldleft = 0f;
     this.oldtop = 0f;
     this.reversePath =new GraphicsPath();
     this.win32 = new Win32();
 }

 public static bool Click(Win32.Point point)
 {
     if (bshandle == IntPtr.Zero)
         bshandle = GetBlueStackWindowHandle();
     if (bshandle == IntPtr.Zero)
         return false;
     MouseHelper.ClickOnPoint(bshandle, point);
     return true;
 }

		static bool HandleCtrl(Win32.CtrlTypes type)
		{
			var name = Enum.GetName(type.GetType(), type);
			Console.WriteLine("\nExiting due to {0} event from system!\n", name);

			if (f != null)
				f.TerminateBots();
			return true;
		}

 bool SetPreferences(string section, Win32.RECT rect, long style, long exStyle)
 {
     Preferences[section]["rectLeft"].Value = rect.Left.ToString();
     Preferences[section]["rectTop"].Value = rect.Top.ToString();
     Preferences[section]["rectRight"].Value = rect.Right.ToString();
     Preferences[section]["rectBottom"].Value = rect.Bottom.ToString();
     Preferences[section]["style"].Value = style.ToString();
     Preferences[section]["exStyle"].Value = exStyle.ToString();
     return true;
 }

 public static int DwmExtendFrameIntoClientArea(IntPtr hwnd, ref Win32.MARGINS margins)
 {
     IntPtr hModule = Win32.LoadLibrary("dwmapi");
       if (hModule == IntPtr.Zero)
     return 0;
       IntPtr procAddress = Win32.GetProcAddress(hModule, "DwmExtendFrameIntoClientArea");
       if (procAddress == IntPtr.Zero)
     return 0;
       else
     return ((Win32.DwmExtendFrameIntoClientAreaDelegate) Marshal.GetDelegateForFunctionPointer(procAddress, typeof (Win32.DwmExtendFrameIntoClientAreaDelegate)))(hwnd, ref margins);
 }

 private IntPtr EnumWindowByName(Win32.EnumWindowsProc filter)
 {
     IntPtr WindowHwnd = IntPtr.Zero;
     Win32.EnumWindows(delegate(IntPtr hwnd, IntPtr lparam)
     {
         if (filter(hwnd, lparam))
         {
             WindowHwnd = hwnd;
             return false;
         }
         return true;
     }, IntPtr.Zero);
     return WindowHwnd;
 }

        private IntPtr EnumChildWindowByName(IntPtr parent, Win32.EnumWindowsProc filter)
        {
            IntPtr WindowHwnd = IntPtr.Zero;
            Win32.EnumChildWindows(parent, delegate(IntPtr hwnd, IntPtr lparam)
            {
                if (filter(hwnd, lparam))
                {
                    WindowHwnd = hwnd;
                    return false;
                }
                else
                {
                    EnumChildWindowByName(hwnd, filter);

                }
                return true;
            }, IntPtr.Zero);
            return WindowHwnd;
        }

 // Methods
 public SelectOperation()
 {
     this.mouseAreaControl = null;
     this.toBeSelectedGraph = null;
     this.toBeSelectedPath = null;
     this.currentMousePoint = MousePoint.None;
     this.reversePath = new GraphicsPath();
     this.oriPath = new GraphicsPath();
     this.startpoint = PointF.Empty;
     this.movePoint = PointF.Empty;
     this.selectMatrix = new Matrix();
     this.totalmatrix = new Matrix();
     this.controlPoint = PointF.Empty;
     this.selectAreaPath = new GraphicsPath();
     this.win32 = new Win32();
     this.AreaPoints = new ArrayList(0x10);
     this.ps = new PointF[8];
     this.rotateindex = 0;
     this.selectCollection = new SvgElementCollection();
     this.tooltips = new Hashtable(0x10);
     this.rotatepath = new GraphicsPath();
 }

        private Dictionary<string, object> GetWindowAttributes(IntPtr hwnd, Win32.WINDOWINFO windowinfo)
        {
           
            Dictionary<string, object> attributes = new Dictionary<string, object>();
            attributes["handle"] = hwnd;


            ExpensiveWindowInfo expensiveInfo;

            if (!_windowInfo.TryGetValue(hwnd, out expensiveInfo))
            {
                expensiveInfo = new ExpensiveWindowInfo(Win32.GetClassName(hwnd), Win32.GetWindowText(hwnd), Win32.GetProcessPathFromWindowHandle(hwnd));
                _windowInfo.Add(hwnd, expensiveInfo);
            }

            attributes["processfilename"] = expensiveInfo.ProcessFilePath;
            attributes["title"] = expensiveInfo.Title;
            attributes["classname"] = expensiveInfo.ClassName;
            attributes["style"] = windowinfo.dwStyle;
            attributes["exstyle"] = windowinfo.dwExStyle;

            return attributes;
        }

        int Hooked(int code, IntPtr wparam, ref Win32.CWPSTRUCT cwp)
        {
            switch(code) {
                case 0:
                switch(cwp.message) {
                    case Win32.WM_CREATE:
                        string s = string.Empty;
                        char[] className = new char[10];
                        int length = Win32.GetClassName( cwp.hwnd, className, 9 );
                        for( int i = 0; i < length; i++ )
                            s += className[i];
                        if( s == "#32768" ) { // System class for menu
                            defaultWndProc = Win32.SetWindowLong( cwp.hwnd, (-4), subWndProc );
                            //int old = Win32.GetWindowLong( cwp.hwnd, (-20) );
                            //Win32.SetWindowLong2( cwp.hwnd,  (-20)/*GWL_EXSTYLE=(-20)*/, 0x20/*WS_EX_TRANSPARENT=0x20*/ );
                        }

                        break;
                }
                break;
            }
            return Win32.CallNextHookEx(hookHandle,code,wparam, ref cwp);
        }