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Iec005.md

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Iec005 - Return Type has to be IEC compatible

Severity: Error Error

IEC methods/functions have to return types that are compatible with IEC. IEC methods/functions that can have return values are methods that either:

  • have the attribute [User]
  • have the attribute [Execution], are called __Process and are in a class with the attribute [Function]
  • have the attribute [Function] and are in a class with the attribute [FunctionContainer]

Explicitly allowed types are

CSharp basic types:

  • bool
  • sbyte
  • short
  • int
  • long
  • byte
  • ushort
  • uint
  • ulong
  • float
  • double

.Net basic types:

  • Boolean
  • SByte
  • Int16
  • Int32
  • Int64
  • Byte
  • UInt16
  • UInt32
  • UInt64
  • Single
  • Double

IEC types:

  • enums attributed with [Enumeration]

Eplicitly forbidden:

  • all Any* types Iec022
  • Structures [Structure] or Arrays [Array] Iec022
  • IecStringEx, IecString80, IecWString, IecWString80 TODO-LINKING

Solution

Change the return type to one of the explicitly allowed types.