OpenCvSharp.NativeMethods.core_FileNode_toDouble C# (CSharp) Method

        public static extern double core_FileNode_toDouble(IntPtr obj);
        [DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl)]

        /// <summary>
        /// Returns the node content as double
        /// </summary>
        /// <returns></returns>
        public double ToDouble()
        {
            ThrowIfDisposed();

            NativeMethods.HandleException(
                NativeMethods.core_FileNode_toDouble(ptr, out var ret));

            GC.KeepAlive(this);
            return(ret);
        }