Added Ambilight-Example-Project

Examples/Ambilight/Example_Ambilight_full/TakeAsIs/ScreenCapturing/DX9ScreenCapture.cs

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+using System;
+using System.Runtime.InteropServices;
+using System.Windows.Media;
+using SharpDX;
+using SharpDX.Direct3D9;
+
+namespace Example_Ambilight_full.TakeAsIs.ScreenCapturing
+{
+    public class DX9ScreenCapture : IScreenCapture
+    {
+        #region Properties & Fields
+
+        private Device _device;
+        private Surface _surface;
+        private byte[] _buffer;
+
+        public int Width { get; }
+        public int Height { get; }
+        public PixelFormat PixelFormat => PixelFormats.Bgr24;
+
+        #endregion
+
+        #region Constructors
+
+        public DX9ScreenCapture()
+        {
+            Width = (int)System.Windows.SystemParameters.PrimaryScreenWidth;
+            Height = (int)System.Windows.SystemParameters.PrimaryScreenHeight;
+
+            PresentParameters presentParams = new PresentParameters(Width, Height)
+            {
+                Windowed = true,
+                SwapEffect = SwapEffect.Discard
+            };
+
+            _device = new Device(new Direct3D(), 0, DeviceType.Hardware, IntPtr.Zero, CreateFlags.SoftwareVertexProcessing, presentParams);
+            _surface = Surface.CreateOffscreenPlain(_device, Width, Height, Format.A8R8G8B8, Pool.Scratch);
+            _buffer = new byte[Width * Height * 4];
+        }
+
+        #endregion
+
+        #region Methods
+
+        public byte[] CaptureScreen()
+        {
+            _device.GetFrontBufferData(0, _surface);
+
+            DataRectangle dr = _surface.LockRectangle(LockFlags.None);
+            Marshal.Copy(dr.DataPointer, _buffer, 0, _buffer.Length);
+            _surface.UnlockRectangle();
+
+            return _buffer;
+        }
+
+        public void Dispose()
+        {
+            _device?.Dispose();
+            _surface?.Dispose();
+        }
+
+        #endregion
+    }
+}

Examples/Ambilight/Example_Ambilight_full/TakeAsIs/ScreenCapturing/IScreenCapture.cs

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+using System;
+using System.Windows.Media;
+
+namespace Example_Ambilight_full.TakeAsIs.ScreenCapturing
+{
+    public interface IScreenCapture : IDisposable
+    {
+        int Width { get; }
+        int Height { get; }
+        PixelFormat PixelFormat { get; }
+
+        /// <summary>
+        /// As Pixel-Data BGRA
+        /// </summary>
+        /// <returns>The Pixel-Data</returns>
+        byte[] CaptureScreen();
+    }
+}