Shaker/NIFPGA/FPGAReadProperty.cs

using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;

namespace NIFPGA
{
    public sealed class FPGAReadProperty<T> : FPGABaseProperty
        where T : unmanaged
    {
        private delegate NiFpga_Status NiFpgaDll_Delegate(uint session, uint indicator, ref T value);
        [AllowNull]
        private NiFpgaDll_Delegate Read;
        internal FPGAReadProperty(FPGASession session, uint indicator) : base(session, indicator, true)
        {
            T val = default(T);
            switch (val)
            {
                case Boolean:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadBool).Name);
                    break;
                case Byte:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU8).Name);
                    break;
                case SByte:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI8).Name);
                    break;
                case Int16:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI16).Name);
                    break;
                case UInt16:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU16).Name);
                    break;
                case Int32:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI32).Name);
                    break;
                case UInt32:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU32).Name);
                    break;
                case Int64:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI64).Name);
                    break;
                case UInt64:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU64).Name);
                    break;
                case Single:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadSgl).Name);
                    break;
                case double:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadDbl).Name);
                    break;
            }
        }
        private T GetValue()
        {
            T value = default;
            _Session.CheckResult(Read(_Session.Session, Indicator, ref value));
            return value;
        }
        public T Value => GetValue();
    }
}