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Methods

(FBWithMethods.cs)

Beside the obligatory methods for initialization and execution, a class can contain optional methods. To make these user methods available in IEC, the attribute [User] is used.

[User]
public void SetX(int x)
{
    CurrentPosition.x = x;
}

As in the Complex Data Types example, user methods must also return complex types by reference.

[User]
public void GetPosition(ref Position actualPosition)
{
    actualPosition = CurrentPosition;
}