示例#1
0
        public Bitmap captureDesktopBitmap()
        {
            Win32Functions.RECT windowRect = new Win32Functions.RECT();

            IntPtr hWnd = new IntPtr(Win32Functions.GetDesktopWindow());

            IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

            Win32Functions.GetClientRect((int)hWnd, ref windowRect);

            Win32Functions.WINDOWINFO window = new Win32Functions.WINDOWINFO();
            window.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(window);

            Win32Functions.GetWindowInfo((int)hWnd, ref window);

            // create a bitmap from the visible clipping bounds of
            //the graphics object from the window

            int width = windowRect.right - windowRect.left;

            int height = windowRect.bottom - windowRect.top;

            // create a device context we can copy to
            IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);

            // create a bitmap we can copy it to,
            // using GetDeviceCaps to get the width/height
            IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, width, height);

            // select the bitmap object
            IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);

            // bitblt over
            Win32Functions.BitBlt(hdcDest, 0,
                                  0, width, height, hdcSrc, window.rcClient.left - window.rcWindow.left,
                                  window.rcClient.top - window.rcWindow.top,
                                  Win32Defines.SRCCOPY);


            // restore selection
            Win32Functions.SelectObject(hdcDest, hOld);

            // clean up
            Win32Functions.DeleteDC(hdcDest);
            Win32Functions.ReleaseDC(hWnd, hdcSrc);

            // get a .NET Bitmap object for it
            Bitmap bmp = new Bitmap(Image.FromHbitmap(hBitmap), new Size(width, height));

            // free up the Bitmap object
            Win32Functions.DeleteObject(hBitmap);

            return(bmp);
        }
示例#2
0
        public byte[] captureDesktopBytes()
        {
            Win32Functions.RECT windowRect = new Win32Functions.RECT();

            IntPtr hWnd = new IntPtr(Win32Functions.GetDesktopWindow());

            IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

            Win32Functions.WINDOWINFO window = new Win32Functions.WINDOWINFO();
            window.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(window);

            Win32Functions.GetWindowRect((int)hWnd, ref windowRect);

            Win32Functions.GetWindowInfo((int)hWnd, ref window);

            // create a bitmap from the visible clipping bounds of
            //the graphics object from the window

            int width = windowRect.right - windowRect.left;

            int height = windowRect.bottom - windowRect.top;

            // create a device context we can copy to
            IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);

            // create a bitmap we can copy it to,
            // using GetDeviceCaps to get the width/height
            IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, width, height);

            //// select the bitmap object
            IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);

            // bitblt over
            Win32Functions.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0,
                                  Win32Defines.SRCCOPY);
            Win32Functions.CURSORINFO ci = new Win32Functions.CURSORINFO();
            ci.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(ci);
            Win32Functions.GetCursorInfo(ref ci);
            Win32Functions.PICONINFO pi = new Win32Functions.PICONINFO();
            Win32Functions.GetIconInfo(ci.hCursor, ref pi);
            Win32Functions.DrawIconEx(hdcDest, ci.point.x - windowRect.left - pi.xHotSpot, ci.point.y - windowRect.top - pi.yHotSpot, (int)ci.hCursor, 0, 0, 0, 0, 3);
            Win32Functions.SelectObject(hdcDest, hOld);
            Win32Functions.ReleaseDC(hWnd, hdcDest);
            Win32Functions.DeleteDC(hdcDest);
            Win32Functions.ReleaseDC(hWnd, hdcSrc);

            byte[] b = new byte[(width * height * 4)];

            Win32Functions.GetBitmapBits(hBitmap, (width * height * 4), b);

            Win32Functions.DeleteObject(hBitmap);

            return(b);
        }
示例#3
0
        public byte[] captureClientBytes(int HWND, int pwidth, int pheight)
        {
            Win32Functions.RECT windowRect = new Win32Functions.RECT();

            IntPtr hWnd = new IntPtr(HWND);

            IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

            Win32Functions.GetClientRect((int)hWnd, ref windowRect);

            Win32Functions.WINDOWINFO window = new Win32Functions.WINDOWINFO();
            window.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(window);

            Win32Functions.GetWindowInfo((int)hWnd, ref window);

            // create a device context we can copy to
            IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);

            // create a bitmap we can copy it to,
            // using GetDeviceCaps to get the width/height
            IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, pwidth, pheight);

            //// select the bitmap object
            IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);

            // bitblt over
            Win32Functions.BitBlt(hdcDest, 0,
                                  0, pwidth, pheight, hdcSrc, window.rcClient.left - window.rcWindow.left,
                                  window.rcClient.top - window.rcWindow.top,
                                  (uint)(Win32Defines.SRCCOPY));

            Win32Functions.CURSORINFO ci = new Win32Functions.CURSORINFO();
            ci.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(ci);
            Win32Functions.GetCursorInfo(ref ci);
            Win32Functions.PICONINFO pi = new Win32Functions.PICONINFO();
            Win32Functions.GetIconInfo(ci.hCursor, ref pi);
            Win32Functions.DrawIconEx(hdcDest, ci.point.x - window.rcClient.left - pi.xHotSpot,
                                      ci.point.y - window.rcClient.top - pi.yHotSpot, (int)ci.hCursor, 0, 0, 0, 0, 3);
            Win32Functions.SelectObject(hdcDest, hOld);
            Win32Functions.ReleaseDC(hWnd, hdcDest);
            Win32Functions.DeleteDC(hdcDest);
            Win32Functions.ReleaseDC(hWnd, hdcSrc);

            byte[] b = new byte[(pwidth * pheight * 4)];

            Win32Functions.GetBitmapBits(hBitmap, (pwidth * pheight * 4), b);

            Win32Functions.DeleteObject(hBitmap);

            return(b);
        }
示例#4
0
        public Bitmap captureWindowBit(int HWND)
        {
            Win32Functions.RECT windowRect = new Win32Functions.RECT();

            IntPtr hWnd = new IntPtr(HWND);

            IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

            Win32Functions.GetWindowRect((int)hWnd, ref windowRect);

            // create a bitmap from the visible clipping bounds of
            //the graphics object from the window

            int width = windowRect.right - windowRect.left;

            int height = windowRect.bottom - windowRect.top;

            // create a device context we can copy to
            IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);

            // create a bitmap we can copy it to,
            // using GetDeviceCaps to get the width/height
            IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, width, height);

            // select the bitmap object
            IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);

            // bitblt over
            Win32Functions.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0,
                                  Win32Defines.SRCCOPY);


            // restore selection
            Win32Functions.SelectObject(hdcDest, hOld);

            // clean up
            Win32Functions.DeleteDC(hdcDest);
            Win32Functions.ReleaseDC(hWnd, hdcSrc);

            // get a .NET Bitmap object for it
            Bitmap bmp = new Bitmap(Image.FromHbitmap(hBitmap), new Size(width, height));

            // free up the Bitmap object
            Win32Functions.DeleteObject(hBitmap);

            return(bmp);
        }
示例#5
0
        /// <summary>
        /// Callback for the SetHookEx function
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        public int KeyHook(int nCode, IntPtr wParam, IntPtr lParam)
        {
            keysChanged = false;
            if (nCode < 0)
            {
                return(Win32Functions.CallNextHookEx(hKeyHook, nCode, wParam, lParam));
            }
            else
            {
                int vkCode = Marshal.ReadInt32(lParam);


                //handle key up/key down
                if (wParam == (IntPtr)Win32Defines.WM_KEYDOWN || wParam == (IntPtr)Win32Defines.WM_SYSKEYDOWN)
                {
                    if (vkCode == Key.VK_CONTROL)
                    {
                        ctrlDown = true;
                    }

                    else if (vkCode == Key.VK_SNAPSHOT)
                    {
                        if (!psDown)
                        {
                            psDown      = true;
                            keysChanged = true;
                        }
                    }

                    else if (vkCode == Key.VK_ALT)
                    {
                        altDown = true;
                    }
                }
                else if (wParam == (IntPtr)Win32Defines.WM_KEYUP || wParam == (IntPtr)Win32Defines.WM_SYSKEYUP)
                {
                    if (vkCode == Key.VK_CONTROL)
                    {
                        ctrlDown = false;
                    }
                    if (vkCode == Key.VK_SNAPSHOT)
                    {
                        psDown = false;
                    }
                    if (vkCode == Key.VK_ALT)
                    {
                        altDown = false;
                    }
                }


                //make sure a key was down to continue...
                if ((wParam == (IntPtr)Win32Defines.WM_KEYDOWN || wParam == (IntPtr)Win32Defines.WM_SYSKEYDOWN) && canContinue() &&
                    vkCode == Key.VK_SNAPSHOT)
                {
                    Image img = null;
                    if (captureWindow())
                    {
                        Win32Functions.RECT windowRect = new Win32Functions.RECT();
                        //get the top level window!!

                        IntPtr hWnd   = new IntPtr(Win32Functions.GetForegroundWindow());
                        IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

                        Win32Functions.GetWindowRect((int)hWnd, ref windowRect);
                        // create a bitmap from the visible clipping bounds of
                        //the graphics object from the window
                        int width  = windowRect.right - windowRect.left;
                        int height = windowRect.bottom - windowRect.top;
                        // create a device context we can copy to
                        IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);
                        // create a bitmap we can copy it to,
                        // using GetDeviceCaps to get the width/height
                        IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, width, height);
                        // select the bitmap object
                        IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);
                        // bitblt over
                        Win32Functions.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, Win32Defines.SRCCOPY);
                        // restore selection
                        Win32Functions.SelectObject(hdcDest, hOld);
                        // clean up
                        Win32Functions.DeleteDC(hdcDest);
                        Win32Functions.ReleaseDC(hWnd, hdcSrc);
                        // get a .NET image object for it
                        img = Image.FromHbitmap(hBitmap);
                        // free up the Bitmap object
                        Win32Functions.DeleteObject(hBitmap);
                    }
                    else
                    {
                        Win32Functions.RECT windowRect = new Win32Functions.RECT();
                        //get the top level window!!

                        IntPtr hWnd   = new IntPtr(Win32Functions.GetDesktopWindow());
                        IntPtr hdcSrc = Win32Functions.GetWindowDC((int)hWnd);

                        Win32Functions.GetWindowRect((int)hWnd, ref windowRect);
                        // create a bitmap from the visible clipping bounds of
                        //the graphics object from the window
                        int width  = windowRect.right - windowRect.left;
                        int height = windowRect.bottom - windowRect.top;
                        // create a device context we can copy to
                        IntPtr hdcDest = Win32Functions.CreateCompatibleDC(hdcSrc);
                        // create a bitmap we can copy it to,
                        // using GetDeviceCaps to get the width/height
                        IntPtr hBitmap = Win32Functions.CreateCompatibleBitmap(hdcSrc, width, height);
                        // select the bitmap object
                        IntPtr hOld = Win32Functions.SelectObject(hdcDest, hBitmap);
                        // bitblt over
                        Win32Functions.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, Win32Defines.SRCCOPY);
                        // restore selection
                        Win32Functions.SelectObject(hdcDest, hOld);
                        // clean up
                        Win32Functions.DeleteDC(hdcDest);
                        Win32Functions.ReleaseDC(hWnd, hdcSrc);
                        // get a .NET image object for it
                        img = Image.FromHbitmap(hBitmap);
                        // free up the Bitmap object
                        Win32Functions.DeleteObject(hBitmap);
                    }

                    callBack(img);
                }

                return(Win32Functions.CallNextHookEx(hKeyHook, nCode, wParam, lParam));
            }
        }