CONTROL
- Introduction to CTRL
  An introduction to the product's own programming language Control(CTRL).
- CONTROL Classes
- 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
    - "acceptDrops"
      Specifies whether drop events are enabled for this object.
    - "activeRegister"
      The active tab defined by the index.
    - "deleteRegister"
      Deletes the specified tab.
    - "dynamicTabOrder"
      Allows to define the order behavior of tab elements when a fixed tab is used.
    - "events" (obsolete)
      Gets all events that are available for a shape. Obsolete, use scriptNames instead.
    - "font"
      Sets the font of an object.
    - "insertRegister"
      Inserts a tab at the defined position.
    - "namedActiveRegister";
      The active tab is defined by its name.
    - "namedColumnHeader";
      This attribute returns or sets the title of a tab using the tab name.
    - "namedRegisterEnabled"
      With the aid of this attribute a tab can be activated or deactivated via its name.
    - "namedRegisterFixed"
      Allows to set a fixed position for a tab by using its name.
    - "namedRegisterIcon"
      Sets the given icon onto the header of the given tab.
    - "namedRegisterPanel";
      Displays the defined panel on the defined tab.
    - "namedRegisterTooltip"
      Sets a tooltip for a tab.
    - "namedRegisterVisible";
      This attribute displays or hides a tab using the tab name.
    - "panelAt"
      Returns a pointer to the panel located inside of the tab widget at the stated index position.
    - "popupButtonIcon"
      Allows to define an icon that shall be displayed on the popup button, if the "scrollerType" is set to "Popup".
    - "popupTextMode"
      Allows to define the popup display options that will be used if the "scrollerType" is set to "Popup".
    - "registerClosable"
      Allows to define if a tab can be closed or not.
    - "registerCount";
      Returns the number of tabs.
    - "registerFixed"
      Allows fixing the position of a tab element.
    - "registerHeader";
      Sets the header for a tab.
    - "registerIcon"
      Sets the given icon onto the header of the tab with the corresponding index number (starting at 0).
    - "registerIndex"
      Allows to query the index of a tab by using the name. (Read only)
    - "registerHeader";
      Sets the header for a tab.
    - "registerName"
      Sets the internal name for a tab. The name can be used with the function "namedActiveRegister".
    - "registerPanel";
      Displays the defined panel on the tab specified by the index number (starting at 0).
    - "registerTooltip"
      Sets a tooltip for a tab.
    - "registerVisible";
      This attributes displays or hides a tab with a specified tab index (starting at 0).
    - "scrollerType"
      Allows to define the behaviour if more tabs exist than can be displayed.
    - "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.
  - Table
    The available functions of the Table object.
  - TextEdit
  - Text field
  - Thumb wheel
  - ToggleSwitch EWO
  - Tree widget
  - Trend Functions
  - WebView EWO
    All events and functions, specifically available for the WebView EWO.
  - Zoom Navigator
    Functions available for the Zoom Navigator widget.
- CONTROL Functions
- CTRL Debugger
  With the CTRL Debugger you can debug the programming language Control.
- CtrlExtension
  The CtrlExtension allows the addition of custom C++ code.

"registerClosable"

Allows to define if a tab can be closed or not.

Synopsis

setValue(string shape, "registerClosable", int index, bool closable);

getValue(string shape, "registerClosable", int index, bool &closable);

shape.registerClosable( int index, bool closable);

Parameter


Parameter	Description
shape	Name of the shape.
index	Index of the tab.
closable	Boolean value that states if the tab can be closed.

Description

Allows to define if a tab can be closed under the usage of the tab index.

Assignment

Tab