Activities

A Area of ​​activities corresponds to a single step in the program sequence. It is represented in the designer as a single element, shown at left.

An activity has a set of properties for configuring the activity, which in Eigenschaftenfenster (Property-Grid) can be configured as shown right.

Eigenschaftenfenster

With a double click on an activity in the designer opens the Properties window (Property-Grid), in which all properties can be configured as shown right. It consists of the following elements:

• Name der Area of ​​activities
• Sym­bol der Area of ​​activities
• Description der Area of ​​activities
• Detailed description of the current activity. Use the scroll bar, or a splinter can further text will be displayed.
• Name the Eigenschaften
• Description the Eigenschaften
• Value the Eigenschaften
• For special types (eg list) before changing the value a wei­te­rer Dia­log be opened.
• Symbol for the Rich­tung parameter (In, Out and InOut) right next to the name of the property
  
  By double-clicking its icon Expression Builder open, seeTerm.

Changes in the dialog are immediately synchronized with the activity. The dialogue thus has no "OK" button. About undo the changes can be reset.

Terms

Terms are used to syntactic expressions (Expressions) to describe. An expression can be evaluated and returns a value. The Return Value , a simple value (eg integer, True, False, etc.) or a complex value (eg reference to a list item, response object of DiagCom etc.). Terms used in many different places:

• In Actions
• In Para­me­tern
• In Bedin­gun­gen

Terms will always have a Return Value. They contain numbers, variables, or term in turn, at any depth. The main difference to an action is that the arguments are not changed by the evaluation of a term, that has a term no side effects!

Each library can define the core terms derived new term. A term is categorized by its return type, see figure:

Types of OTX-Term

In order to understand the trace of the author alone from the graphical representation of a process (eg print on A0 paper) the functions of the process and be inODFTerms shown in two forms:

• as Area of ​​activities, sie­he term activityor
• as Expression, sie­he Term.