Getting to know properties
Properties are extensions of the IEC 61131-3 standard. Properties are special methods that are used to manipulate encapsulated data. When you create a property, you will get two files named get
and set
. These are your getter and setter methods. The getter method will be used to read data, while the setter method is used to write data to an attribute. The true value of properties will be explored in the next chapter; however, for now, we’re going to explore them to a limited degree.
Adding a property
Adding a property is a lot like adding a method. You will essentially follow the same flow of clicks that can be found in Figure 6.4, with the only exception being that you will select Property… instead of Method…. When you click Property…, you should be met with a wizard similar to the one shown in Figure 6.8. The wizard is very similar to the wizard that is used to create methods. To follow along, add the property in Figure...