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
  - Arc
  - AttentionEffect EWO functions
  - Bar trend
  - BarChart3D EWO
  - Button
  - Calendar
  - Cascade
  - Chart.ewo
  - 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
  - Panel 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
    - "acceptDrops"
      Specifies whether drop events are enabled for this object.
    - "allowEmptyNumeric"
      You can allow an empty text for numeric values (int, float) by using the allowEmptyNumeric attribute.
    - "borderStyle"
      Defines the used border style (normal, 3D).
    - "clearButtonEnabled"
      Specifies whether the clear button is enabled for this text field.
    - "editable"
      Specifies whether the content can be overwritten by the user.
    - "font"
      Sets the font of an object.
    - "format"
      Specifies text formatting.
    - "inputMask"
      Allows you to define what characters are allowed at what position within a text field.
    - "max"
      Defines the maximum value that can be entered in a text field.
    - "minMaxNumeric"
      If you activate minMaxNumeric, you can write an arbitrary numeric value (int, float) in a text field and the Control_Grafik/min_textField.html-Control_Grafik/max_textField.html check is carried out when a command script is executed or when focus of a text field is lost.
    - "min"
      Defines the minimum value that can be entered in a text field.
    - "placeholderText"
      This text is displayed grayed out until the user writes something in the text field.
    - "select"
      Selects the text of a text field. The complete text or only a specified number of characters can be selected.
    - "text"
      Returns the content (text) of a text field.
    - "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.
  - 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.
- CTRLPPCheck
  Save time and money with increased code quality in your projects

"placeholderText"

This text is displayed grayed out until the user writes something in the text field.

Synopsis

shape.placeholderText(string text);

Parameters


Parameter	Description
limit	Upper limit of the value range.

Description

This text is displayed grayed out until the user writes something in the text field.

Assignment

TextEdit