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Types of Control Functions
An overview of the types of functions distinguished within Control.
Alert Handling Functions
These functions are associated with datapoints and respond to alerts and changes to alerts.

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Business Logic / Control
Endless possibilities in data processing for your projects.
- Introduction to CTRL
  An introduction to the product's own programming language Control(CTRL).
- Control Classes
  The overview of classes available in Control.
- Types of Control Functions
  An overview of the types of functions distinguished within Control.
  - 32/64 bit Functions
  - Administration of Managers, Modules and Panels - Functions
  - Alert Handling Functions
    These functions are associated with datapoints and respond to alerts and changes to alerts.
    - alertConnect()
      Registers the function work() to be called, with resulting alerts.
    - alertDisconnect()
      Unregisters the function work() from call when changes are made to the values.
    - alertGet()
      Queries only the last alert attributes of a datapoint.
    - alertGetPeriod()
      Reads the values of the specified alert attributes of the datapoint elements for which alerts were triggered.
    - alertSet()
      Allows datapoint attributes to be set in a similar way to dpSet().
    - alertSetTimed()
      Allows datapoint attributes to be set in a similar way to dpSet(). Additionally the timestamp can be set manually.
    - alertSetTimedWait()
      Allows datapoint attributes to be set in a similar way to dpSet(). Additionally the timestamp can be set manually.
    - alertSetWait()
      Allows datapoint attributes to be set in a similar way to alertSet()/dpSetWait().
    - commonConfirm()
      Causes an acknowledge all of all the panels in the module "modulName".
    - dpActivateAlert()
      Activates an alert handling at the given datapoint element either with or without NULL time.
    - dpDeactivateAlert()
      Deactivates an alert handling at the given datapoint element either with or without NULL time.
    - openAES()
      Opens the alert and event panel at the desired position and allows executing an action such as print the upper table of the alert and event panel or save the table.
  - AlertService Functions
    These functions provide alarm shelving, suppression, and out-of-service capabilities via the AlertServiceClient class.
  - Blob Functions
  - Communication functions
  - Connection Functions
    Connection functions can be used to establish connections to alerts, datapoints and system events.
  - Crypthographic Functions
  - Database Functions
  - Datapoint Functions
  - Error Functions
  - File Functions
    File functions allow you to import, export, open, close, and manipulate files within the application. This topic describes how to use file functions and important considerations for cross-platform compatibility.
  - Graphics Functions
  - Help Viewer Functions
    Available Functions for the Help Viewer.
  - HTTP Functions
  - Input Event Recorder Functions
  - Licensing Functions
  - Mapping Functions
  - Mathematical Functions
  - MindSphere Connector Functions
  - Miscellaneous Functions
  - Multilingual Functionality
  - Project administration Functions
  - Query Functions
  - Redu/Dist Functions
  - Selection and Configuration Dialogs - Functions
  - Semaphore Functions
  - String Functions
  - Subscription-based Licensing Functions
    CONTROL functions for querying information from subscription-based licenses.
  - System Tray
  - Time Functions
  - Threads Functions
  - User Administration Functions
  - Vector / Dynamic arrays - Functions
  - Waiting Control Functions
  - Window Functions
    This chapter lists all functions used to control windows and panels, such as ChildPanelOn, LayerOn, LayerOff, PanelOff, RootPanelOn, SwitchLayer, ZoomModule, and related dialog and module operations.
  - XML Control Extension Functions
- Control Graphics
- CONTROL Functions
- CtrlExtension
  The CtrlExtension allows the addition of custom C++ code.
- CTRL Debugger
  You can use the CTRL debugger to debug the Control programming language. The debugger can be used via its own panel, which also enables the monitoring and setting of variable values during the execution of a script.
- SQL in CONTROL
  The database functions enable you to quickly carry out value queries on datapoints and elements.
- WinCC OA JavaScript Manager for Node.js
  The WinCC OA JavaScript Manager for Node.js is a manager that allows for the integration of the TypeScript/JavaScript runtime environment Node.js into WinCC OA.
- API Manager
  The WinCC OA API (Application Programming Interface) offers a number of functions adding special Managers to this process control system.
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Alert Handling Functions

These functions are associated with datapoints and respond to alerts and changes to alerts.