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Business Logic / Control
Endless possibilities in data processing for your projects.
Control graphics
WebView EWO
All events and functions, specifically available for the WebView EWO.
WebView EWO Functions
A list of functions available for the WebView EWO.

Version Information
Release Notes, Update information, Certifications and Frequently Asked Questions.
Concepts
Your first step into modern and powerful process visualization.
Deployment
Topics you need to know before using WinCC OA.
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Go beyond the norm in cybersecurity.
Engineering
Powerful tools for easy or complex engineering tasks.
Data Management
Classify, structure and archive your data.
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.
- Control graphics
  - Graphics objects
  - Attributes of graphics objects
  - Panel functions
  - Reference Functions
  - Arc
  - AttentionEffect EWO functions
  - Bar trend
  - BarChart3D EWO
  - Button
  - Chart.ewo
  - Calendar
  - Cascade
  - Checkbox
  - Clock
  - Combobox
  - DateTimeEdit EWO functions
  - DialGauge EWO
  - DoubleSpinbox EWO
  - DpTreeView
  - DpTypeView
  - Embedded module
  - Frame
  - GIS Viewer EWO
    WinCC OA GIS Viewer provides the cartographic representation of objects in WinCC OA. This new feature provides numerous advantages, particularly in geographical distributed systems, like in Water, Traffic, Oil & Gas or Energy.
  - Label Functions
  - Layoutgroup functions
  - LCD number
  - Maps Widget - Properties and Functions
  - PDF Viewer EWO
  - PictureFlow EWO functions
  - Pipe
  - Polyline
  - Primitive text
  - Progress bar
  - Radio box
  - Rectangle
  - Reference Functions
  - Scheduler.ewo
  - Selection list
  - Slider
  - Spin button
  - Splitter
  - Tab
  - Table
    The available functions of the Table object.
  - TextEdit
  - Text field
  - Thumb wheel
  - ToggleSwitch EWO
  - Tree widget
  - Trend
  - VideoPlayer.ewo
  - WebView EWO
    All events and functions, specifically available for the WebView EWO.
    - WebView EWO Functions
      A list of functions available for the WebView EWO.
      - "acceptDownloads"
        The property specifies if downloads should be accepted for the WebView widget. When enabled, downloads can be started from the widget, and the Control_Grafik/downloadStatusUpdated.html event is triggered accordingly.
      - "back"
        This function loads the previous URL in the history list.
      - "cancelDownload"
        This function stops a specific download from continuing.
      - "downloadDirectory"
        The property defines the absolute path to the download directory to be used for downloads of the widget.
      - execJsFunction()
        The function allows to call a JavaScript function from within the WebView EWO JavaScript code directly from CTRL.
      - execJsFunctionDyn()
        The function allows to call a JavaScript function from within the WebView EWO JavaScript code directly from CTRL.
      - "forward"
        This function loads the next URL in the history list.
      - "ignoreSslErrors"
        This function allows the WebView Ewo to ignore SSL Errors.
      - "linkDelegationPolicy"
        This property controls the behaviour of the WebView Ewo when a link is clicked.
      - "load"
        This function loads the specified website.
      - "loadSnippet"
        Using this function an HTML page for the JavaScript Interface can be loaded within the WebView EWO.
      - msgToJs()
        This function is used to transfer data from Control to the JavaScript interface of the WebView EWO as response to the toCtrl() function.
      - "persistentCookies"
        This function controls the storing of cookies for the Webview EWO.
      - "reload"
        This function reloads the current page.
      - "resumeDownload"
        This function allows you to resume a specific download.
      - "setAttribute"
        This function allows to enable or disable several options per WebView instance.
      - setFeaturePermission()
        The function allows to permit or deny features within a WebView EWO.
      - "stop"
        This function stops the loading of the current page.
    - WebView EWO Events
      A list of events available for the WebView EWO.
  - Zoom Navigator
    Functions available for the Zoom Navigator widget.
- 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 data points 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.
- NextGen Archiver Backend-API
  This chapter describes the NextGen Archiver Backend API
Data Visualization
User interfaces, Trends and Reports for every purpose and device.
Southbound Interfaces
The process connection to the actual machines/sensors.
Northbound Interfaces
Your portal to the cloud or supervising systems.
Web Connectivity / Network Interfaces
Data exchange, APIs and web technologies
User Management
All about authorization, authentication and login-customization.
Availability
How to get your system uptime to the maximum.
Reporting
Create state of the art project reports without limits.
Addons
Useful tools and enhancements for special demands.
Reference Tables
Detailed and extensive content for special project adaptation.
Videos & Tutorials
Explore the capabilities of WinCC OA with our carefully selected collection of video tutorials and guides.
Documentation
Basic information about terms and functions within the documentation.
Support & Services
An experienced team of support agents, consultants and trainers are ready to facilitate active partnerships with our customers, so they can profit from our comprehensive service.
Disclaimer
A brief clarification of liability exclusions or legal notices.

WebView EWO Functions

A list of functions available for the WebView EWO.