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Graphics Editor (GEDI)
Used for creating and editing panels, provides tools for creating and configuring graphic objects.
Complex graphics objects
EWO Basics and Development
WebView.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.
"cancelDownload"
This function stops a specific download from continuing.

Graphics Editor (GEDI)
Used for creating and editing panels, provides tools for creating and configuring graphic objects.
- GEDI, basics
- The catalog window
- The Script Editor
- The Property Sheet
- Creating graphics objects
- Simple graphics objects
- Complex graphics objects
  - Selection list
  - Bar trend
  - combo box
  - Check box
  - DpTreeView
  - DpTypeView
  - Embedded module
  - EWO Basics and Development
    - WinCC OA EWOs
    - WebView.ewo
      - WebView.ewo Certificate Handling
      - WebView EWO JavaScript Interface
      - WebView EWO JavaScript Interface Examples
      - oaJsApi
      - Extending oajsapi
      - 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.
    - Maps Widget (EWO)
  - Calendar
  - Cascade
  - Label
  - LCD number
  - Panel reference
  - Progress Bar
  - Radio box
  - Tab
  - Button
  - Slider
  - Spin button
  - Splitter
  - Table
  - TextEdit
  - Text field
  - Thumb wheel
  - Trend widget
  - Tree widget
  - Clock
  - Zoom Navigator
    With the zoom navigator widget you can zoom a module.
- Simple Configuration
  Simple configuration windows and panels support you in combining events (such as a mouse click) with different actions such as setting data point values, showing panels or changing attributes.
- ScriptWizard
  Simple wizard for creating graphical user interfaces for users without prior programming knowledge.
- Version control, basics
- Style Sheets, basics
- Standard Symbols (STD_Symbols)
  Symbol library consisting of graphics objects for the quick display and design of system diagrams.
- Expandability of GEDI
- Simple Symbols, basics
  The "Simple Symbols" functionality is used to simply assign corresponding symbols to data point types and increase the working comfort when working with different symbols.
- Layout management
  Layouts change the size and position of objects according to parameters previously defined in the GEDI.
- Object-Oriented Panel References
  Reusable objects built with the GEDI tools. Insert them within an existing panel to provide a graphical element.
- Input Recording
- Basics on Encryption

"cancelDownload"

This function stops a specific download from continuing.

Synopsis

int shape.cancelDownload(uint downloadId);

Parameters


Parameter	Description
downloadId	The ID of the download you want to cancel. This ID is provided in the downloadStatusUpdated event.

Return Value

The function will return 0 if the download was successfully cancelled. If there is an error, it will return -1.

Details

This function stops the specified download. After the cancellation, the downloadStatusUpdated event will be triggered with the status 3 – DownloadCancelled.

Assignment

WebView EWO