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[SlimDX] - June 2010 - Direct2D.RenderTarget.FromDXGI fails

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Hi there,
I am trying to get the DXGI RenderTarget working with Direct2D but I am getting the following exception when creating rendertarget with SWAP chain. I am using SlimDX JUNE 2010 release.
"E_INVALIDARG: An invalid parameter was passed to the returning function (-2147024809)"

Any help appreciated.

Here is the sample code.

var desc = new SwapChainDescription()
BufferCount = 1,
ModeDescription = new ModeDescription(this.ClientSize.Width, this.ClientSize.Height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = this.Handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput

SlimDX.Direct3D10.Device device;
SwapChain swapChain;
SlimDX.Direct3D10.Device.CreateWithSwapChain(null, SlimDX.Direct3D10.DriverType.Hardware, SlimDX.Direct3D10.DeviceCreationFlags.Debug, desc, out device, out swapChain);

SlimDX.DXGI.Surface surface = Surface.FromSwapChain(swapChain, 0);
RenderTargetProperties rp = new RenderTargetProperties()
HorizontalDpi = 96,
VerticalDpi = 96,
MinimumFeatureLevel = FeatureLevel.Default,
PixelFormat = new PixelFormat() {AlphaMode = AlphaMode.Premultiplied, Format = SlimDX.DXGI.Format.Unknown},
Type = RenderTargetType.Default,
Usage = RenderTargetUsage.None

//The following line works.
SlimDX.Direct3D10.Texture2D backBuffer = SlimDX.Direct3D10.Texture2D.FromSwapChain<SlimDX.Direct3D10.Texture2D>(swapChain, 0);

SlimDX.Direct2D.Factory factory = new Factory(FactoryType.SingleThreaded, DebugLevel.Information);
//This following line fails.
RenderTarget target = RenderTarget.FromDXGI(factory, surface, rp);

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You need to create a D3D10.1 device with the DeviceCreationFlags.BgraSupport flag set in order to interact with D2D. For example:

SlimDX.Direct3D10_1.Device1 device;
SwapChain swapChain;
SlimDX.Direct3D10_1.Device1.CreateWithSwapChain(null, DriverType.Hardware, DeviceCreationFlags.BgraSupport,
SlimDX.Direct3D10_1.FeatureLevel.Level_10_0, desc, out device, out swapChain);

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