C# Keyboard.Acquire方法代码示例

 public static void Init(Form mainWindow)
 {
     var dinput = new DirectInput();
     _keyboard = new Keyboard(dinput);
     _keyboard.Acquire();
     _mouse = new Mouse(dinput);
     _mouse.Acquire();
     dinput.Dispose();
     dinput = null;
 }

        public TSOForm(TSOConfig tso_config, string[] args)
        {
            this.tso_config = tso_config;

            InitializeComponent();
            this.ClientSize = tso_config.ClientSize;

            this.DragDrop += new DragEventHandler(form_OnDragDrop);
            this.DragOver += new DragEventHandler(form_OnDragOver);

            this.UserResized += delegate(Object sender, EventArgs e)
            {
            userResized = true;
            };

            this.viewer = new Viewer();
            viewer.ScreenColor = tso_config.ScreenColor;

            this.fig_form = new FigureForm();

            if (viewer.InitializeApplication(this, tso_config))
            {
            viewer.figures.FigureEvent += delegate(object sender, EventArgs e)
            {
                Figure fig;
                if (viewer.figures.TryGetFigure(out fig))
                    fig_form.SetFigure(fig);
                else
                    fig_form.Clear();
            };
            viewer.Camera.SetTranslation(tso_config.Position);
            foreach (string arg in args)
                viewer.figures.LoadAnyFile(arg, true);
            if (viewer.figures.Count == 0)
                viewer.figures.LoadAnyFile(Path.Combine(save_path, @"system.tdcgsav.png"), true);
            //this.timer1.Enabled = true;
            }

            directInput = new DirectInput();
            keyboard = new Keyboard(directInput);
            keyboard.Acquire();

            keyboardState = keyboard.GetCurrentState();
        }

        internal bool Initialize(SystemConfiguration configuration, IntPtr windowsHandle)
        {
            // Screen the screen size which will be used for positioning the mouse cursor.
            _ScreenWidth = configuration.Width;
            _ScreenHeight = configuration.Height;

            // Initialize the location of the mouse on the screen.
            _MouseX = 0;
            _MouseY = 0;

            // Initialize the main direct input interface.
            _DirectInput = new DirectInput();

            // Initialize the direct interface for the keyboard.
            _Keyboard = new Keyboard(_DirectInput);
            _Keyboard.Properties.BufferSize = 256;

            // Set the cooperative level of the keyboard to not share with other programs.
            _Keyboard.SetCooperativeLevel(windowsHandle, CooperativeLevel.Foreground | CooperativeLevel.Exclusive);

            // Now acquire the keyboard.
            if (_Keyboard.Acquire().Failure)
                return false;

            // Initialize the direct interface for the mouse.
            _Mouse = new Mouse(_DirectInput);
            _Mouse.Properties.AxisMode = DeviceAxisMode.Relative;

            // Set the cooperative level of the mouse to share with other programs.
            _Mouse.SetCooperativeLevel(windowsHandle, CooperativeLevel.Foreground | CooperativeLevel.NonExclusive);

            // Now acquire the mouse.
            if (_Mouse.Acquire().Failure)
                return false;

            return true;
        }

 /// <summary> Creates the input manager. </summary>
 private void CreateInput(RenderForm window)
 {
     directInput = new DirectInput();
     keyboard = new Keyboard(directInput);
     keyboard.SetCooperativeLevel(window.Handle, CooperativeLevel.NonExclusive | CooperativeLevel.Background);
     keyboard.Acquire();
 }

 public Main()
 {
     _graphicsDeviceManager = new GraphicsDeviceManager(this)
     {
         SynchronizeWithVerticalRetrace = false,
         PreferredBackBufferWidth = PreferredSize.Width,
         PreferredBackBufferHeight = PreferredSize.Height,
         PreferredBackBufferFormat = PixelFormat.R8G8B8A8.UNormSRgb,
         //DeviceCreationFlags = DeviceCreationFlags.Debug
     };
     IsFixedTimeStep = false;
     Content.RootDirectory = "Content";
     var directInput = new DirectInput();
     _keyboard = new Keyboard(directInput);
     _keyboard.Acquire();
     _mouse = new Mouse(directInput);
     _mouse.Acquire();
 }

//.........这里部分代码省略.........
            return false;
            }

            sw.Stop();
            Console.WriteLine("toonshader.fx.bin read time: " + sw.Elapsed);

            string techmap_file = Path.Combine(Application.StartupPath, @"techmap.txt");
            if (!File.Exists(techmap_file))
            {
            Console.WriteLine("File not found: " + techmap_file);
            return false;
            }
            techmap.Load(techmap_file);

            control.MouseDown += new MouseEventHandler(form_OnMouseDown);

            // Define the properties of the swap chain.
            SwapChainDescription swapChainDescription = DefineSwapChainDescription(control);

            // Create DirectX Graphics Interface factory, used to create the swap chain.
            dxgi_factory = new SharpDX.DXGI.Factory();
            // Create the swap chain.
            swap_chain = new SwapChain(dxgi_factory, device, swapChainDescription);

            // Retrieve the back buffer of the swap chain.
            buf0 = swap_chain.GetBackBuffer<Texture2D>(0);
            buf0_view = new RenderTargetView(device, buf0);

            // Create a depth buffer, using the same width and height as the back buffer.
            Texture2DDescription depthBufferDescription = DefineDepthBufferDescription(control);

            // Create the depth buffer.
            ztex = new Texture2D(device, depthBufferDescription);
            ztex_view = new DepthStencilView(device, ztex);

            ctx.OutputMerger.SetRenderTargets(ztex_view, buf0_view);

            viewport = new Viewport(0, 0, hmd.Resolution.Width, hmd.Resolution.Height, 0.0f, 1.0f);
            ctx.Rasterizer.SetViewport(viewport);

            // Retrieve the DXGI device, in order to set the maximum frame latency.
            using (SharpDX.DXGI.Device1 dxgiDevice = device.QueryInterface<SharpDX.DXGI.Device1>())
            {
            dxgiDevice.MaximumFrameLatency = 1;
            }

            layers = new OculusWrap.Layers();
            layer_eye_fov = layers.AddLayerEyeFov();

            CreateEyeTextures();

            CreateMirrorTexture(control);

            World_variable = effect.GetVariableBySemantic("World").AsMatrix();
            WorldView_variable = effect.GetVariableBySemantic("WorldView").AsMatrix();
            WorldViewProjection_variable = effect.GetVariableBySemantic("WorldViewProjection").AsMatrix();
            /* for HUD */
            Projection_variable = effect.GetVariableBySemantic("Projection").AsMatrix();

            LocalBoneMats_variable = effect.GetVariableByName("LocalBoneMats").AsMatrix();
            LightDirForced_variable = effect.GetVariableByName("LightDirForced").AsVector();
            UVSCR_variable = effect.GetVariableByName("UVSCR").AsVector();

            cb_variable = effect.GetConstantBufferByName("cb");

            ShadeTex_texture_variable = effect.GetVariableByName("ShadeTex_texture").AsShaderResource();
            ColorTex_texture_variable = effect.GetVariableByName("ColorTex_texture").AsShaderResource();

            //figures.Camera = camera;
            figures.TSOFileOpen += delegate(TSOFile tso)
            {
            tso.Open(device, effect);
            techmap.AssignTechniqueIndices(tso);
            };

            // Define an input layout to be passed to the vertex shader.
            var technique = effect.GetTechniqueByIndex(0);
            il = new InputLayout(device, technique.GetPassByIndex(0).Description.Signature, TSOSubMesh.ie);

            // Setup the immediate context to use the shaders and model we defined.
            ctx.InputAssembler.InputLayout = il;

            DefineBlendState();
            DefineDepthStencilState();
            DefineRasterizerState();

            main_camera = new Camera()
            {
            Position = ocu_config.Position,
            Rotation = Quaternion.Identity,
            };

            directInput = new DirectInput();
            keyboard = new Keyboard(directInput);
            keyboard.Acquire();

            keyboardState = keyboard.GetCurrentState();

            return true;
        }

        /// <summary>
        /// Initializes SlimDX and input devices.
        /// </summary>
        /// <param name="caption">Window caption string.</param>
        public FrameworkForm(string caption)
            : base(caption)
        {
            SwapChainDescription description = new SwapChainDescription()
            {
                BufferCount = 1,
                Flags = SwapChainFlags.None,
                IsWindowed = true,
                ModeDescription = new ModeDescription(ClientSize.Width, ClientSize.Height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                OutputHandle = Handle,
                SampleDescription = new SampleDescription(1, 0),
                SwapEffect = SwapEffect.Discard,
                Usage = Usage.RenderTargetOutput
            };

            try
            {
#if DEBUG
                Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.Debug, description, out graphicsDevice, out swapChain);
#else
                Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, description, out graphicsDevice, out swapChain);
#endif
            }
            catch
            {
                MessageBox.Show("An error has occurred during initialization process.");
                Environment.Exit(0);
            }
            finally
            {
                if (graphicsDevice.FeatureLevel != FeatureLevel.Level_11_0)
                {
                    MessageBox.Show("This program requires DirectX 11. Your version is " + graphicsDevice.FeatureLevel.ToString() + ".");
                    Environment.Exit(0);
                }
            }

            Factory factory = swapChain.GetParent<Factory>();
            factory.SetWindowAssociation(Handle, WindowAssociationFlags.IgnoreAltEnter);
            KeyDown += (o, e) =>
            {
                // Fixes Alt-Enter keyboard input bug in SlimDX.
                if (e.Alt && e.KeyCode == Keys.Enter)
                    swapChain.IsFullScreen = !swapChain.IsFullScreen;

                // Makes screenshot.
                if (e.KeyCode == Keys.F12)
                    MakeScreenshot(Application.StartupPath);
            };

            SizeChanged += (o, e) =>
            {
                // Dispose old resources.
                if (renderTargetView != null)
                    renderTargetView.Dispose();
                if (backBufferTexture != null)
                    backBufferTexture.Dispose();

                // Resize buffers.
                swapChain.ResizeBuffers(1, ClientSize.Width, ClientSize.Height, Format.R8G8B8A8_UNorm, SwapChainFlags.None);

                InitializeOutputMerger();

                camera.UpdateProjection();

                postProcess.Initialize(ClientSize.Width, ClientSize.Height);
            };

            fillMode = FillMode.Solid;
            InitializeOutputMerger();

            // Initializes input devices.
            DirectInput directInput = new DirectInput();
            keyboard = new Keyboard(directInput);
            keyboard.Acquire();
            mouse = new Mouse(directInput);
            mouse.Acquire();

            camera = new Camera(graphicsDevice, new Vector3(50, 50, 50), new Vector3(0, 0, 0), 0.1f, 1000.0f);
            textures = new List<TexturePack>();
            postProcess = new PostProcess(graphicsDevice, ClientSize.Width, ClientSize.Height);
            quadRenderer = new QuadRenderer(graphicsDevice);
        }