/// <summary>
/// Use reflection to get strongly-typed constructor info from <paramref name="item"/>.
/// </summary>
/// <param name="item">DICOM item for which to get constructor.</param>
/// <param name="parameterTypes">Expected parameter types in the requested constructor.</param>
/// <returns>Constructor info corresponding to <paramref name="item"/> and <paramref name="parameterTypes"/>.</returns>
private static ConstructorInfo GetConstructor(DicomItem item, params Type[] parameterTypes)
{
#if PORTABLE || NETSTANDARD || NETFX_CORE
return(item.GetType().GetTypeInfo().DeclaredConstructors.Single(
ci =>
{
var pars = ci.GetParameters().Select(par => par.ParameterType);
return pars.SequenceEqual(parameterTypes);
}));
#else
return(item.GetType().GetConstructor(parameterTypes));
#endif
}
/// <summary>Evaluates whether a DICOM item is of type Other*</summary>
/// <param name="item"></param>
/// <returns>A boolean flag indicating whether the item is of the expected type, otherwise false</returns>
private static bool IsOtherElement(DicomItem item)
{
var t = item.GetType();
return(t == typeof(DicomOtherByte) || t == typeof(DicomOtherDouble) || t == typeof(DicomOtherFloat) ||
t == typeof(DicomOtherLong) || t == typeof(DicomOtherWord) || t == typeof(DicomUnknown));
}
/// <summary>Evaluates whether an element has a generic valueType</summary>
/// <param name="item"></param>
/// <returns>The data type if found, otherwise null</returns>
private static Type ElementValueType(DicomItem item)
{
var t = item.GetType();
#if NET35
if (t.IsGenericType && !t.ContainsGenericParameters && t.GetGenericTypeDefinition() == typeof(DicomValueElement <>))
{
return(t.GetGenericArguments()[0]);
}
#else
if (t.IsConstructedGenericType && t.GetGenericTypeDefinition() == typeof(DicomValueElement <>))
{
return(t.GenericTypeArguments[0]);
}
#endif
return(null);
}