CONTROL
- Introduction to CTRL
- CONTROL Classes
- Types of Control Functions
- CONTROL graphics
  - 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
      - "acceptDrops"
        Specifies whether drop events are enabled for this object.
      - "appendItem_combo"
        Adds an item to the combo box, spin button, radio box or check box.
      - "currentIndex"
        Returns or sets the current item in the combo box. The function is similar to "selectedPos()" but uses the index of an item for selection instead of a position.
      - "deleteAllItems"
        Deletes all box options.
      - "deletePos"
        Deletes a specific option from the combo box.
      - "editable"
        Specifies whether the selection text can be overwritten by a user.
      - "events" (obsolete)
        Gets all events that are available for a shape. Obsolete, use scriptNames instead.
      - "font"
        Sets the font of an object.
      - "itemCount"
        Returns the number of options.
      - "itemEnabled"
        The attribute "itemEnabled" enables or disables an item in a non-editable combo box.
      - "items"
        Array containing all box options.
      - "placeholderText"
        This text is displayed grayed out until the user writes something in the text field.
      - "replacePos"
        Replaces the text for a specific option.
      - "selectedPos"
        Returns or sets the number of the option selected in a combo box.
      - "selectedText"
        Returns or sets the text of the selected entry.
      - "text"
        Contents of the text field of a combo box.
      - "updatesEnabled"
        This attribute specifies whether updates of a widget (for example, a textEdit, slider, progress bar, zoom navigator, LCD number or thumb wheel) have been enabled.
      - "userData"
        Saves/Returns a user-specific text for an item.
    - 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 - Eigenschaften und Funktionen
    - 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
    - TextEdit
    - Text field
    - Thumb wheel
    - ToggleSwitch EWO
    - Tree widget
    - Trend
    - WebView EWO
    - Zoom Navigator
      Functions available for the Zoom Navigator widget.
- CONTROL Functions
- CTRL-Debugger
  Der CTRL-Debugger ermöglicht ein Debuggen der Pogrammiersprache Control.

"itemEnabled"

The attribute "itemEnabled" enables or disables an item in a non-editable combo box.

Synopsis

setValue(string shape, "itemEnabled", int index, bool enabled);

getValue(string shape, "itemEnabled", int index, bool &enabled);

shape.itemEnabled(int index, bool enabled);

Parameter


Parameter	Description
shape	Object name
index	Index starts from 0.
enabled	TRUE = enabled FALSE = disabled

Description

The attribute "itemEnabled" enables or disables an item in a non-editable combo box.

To use this function, the "editable" property of the combo box has to be set to "FALSE". If it is set to "TRUE", all disabled items will be enabled again.

Example

In the following example, the fourth item of a combo box will be disabled.

main()
{
  COMBO_BOX1.itemEnabled(3, FALSE);
}

Assignment

combo box