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extern "C" __declspec(dllimport) BOOL FPSAPI CaptureImage(BYTE uwTimeoutS,BYTE* pRawImage);


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[DllImport("fpsiml.dll", EntryPoint = "CaptureImage", CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Unicode)]
public static extern int CaptureImage(UInt16 uwTimeoutS, byte[] pRawImage);

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