using LabViewHelper;
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using NationalInstruments.LabVIEW.Interop;
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using System;
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using System.Collections.Generic;
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namespace ViHelper
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{
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public class ViVariable
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{
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public string Name { get; set; }
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public Type Type { get; set; }
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public dynamic Data { get; set; }
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}
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public class LabViHelper
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{
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public static Type ConvertType(type labviewType)
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{
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if (labviewType == type.I8 || labviewType == type.I16 || labviewType == type.I32
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|| labviewType == type.I64 || labviewType == type.U8
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|| labviewType == type.U16 || labviewType == type.U32
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|| labviewType == type.U64)
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{
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return typeof(int);
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}
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if (labviewType == type.Single__32Float || labviewType == type.Double__32Float)
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{
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return typeof(double);
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}
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if (labviewType == type.Boolean)
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{
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return typeof(bool);
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}
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if (labviewType == type.String)
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{
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return typeof(string);
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}
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throw new Exception("No supported type");
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}
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private static void Get(string viPath, out ViVariable[] inVariables, out ViVariable[] outVariables)
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{
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try
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{
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inVariables = null;
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outVariables = null;
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var path = new LVPath(viPath);
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LabViewRunner.GetIO(path, 0, out Cluster[] inputs, out Cluster[] outputs, out type[] iTypes, out type[] oTypes, out var viError);
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if (inputs == null || outputs == null)
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{
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throw new Exception("No Controls");
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}
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if (inputs.Length != iTypes.Length)
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{
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throw new Exception("In param nums Error");
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}
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if (outputs.Length != oTypes.Length)
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{
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throw new Exception("Out param nums Error");
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}
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inVariables = new ViVariable[inputs.Length];
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for (int i = 0; i < inputs.Length; i++)
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{
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inVariables[i] = new ViVariable
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{
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Name = inputs[i].name,
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Data = inputs[i].variant__32Data.value,
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Type = ConvertType(iTypes[i])
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};
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}
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outVariables = new ViVariable[outputs.Length];
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for (int i = 0; i < outputs.Length; i++)
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{
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outVariables[i] = new ViVariable
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{
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Name = outputs[i].name,
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Data = outputs[i].variant__32Data.value,
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Type = ConvertType(oTypes[i])
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};
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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public static void GetIOType(string viPath, out ViVariable[] inVariables, out ViVariable[] outVariables)
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{
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try
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{
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Get(viPath, out inVariables, out outVariables);
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}
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catch
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{
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Get(viPath, out inVariables, out outVariables);
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}
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}
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}
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}
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