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.
Security
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
    - "acceptDrops"
      Specifies whether drop events are enabled for this object.
    - "BorderWidth"
    - "contextMenuPolicy"
      Defines how the respective widgets shows the context menu.
    - "focus"
      The attribute "focus"; returns TRUEif the object has the focus.
    - "focusEnabled"
      Indicates whether the widget accepts keyboard focus.
    - "height"
      The attribute "height" returns the height of an object (textEdit, progress bar, tree widget, zoom navigator, LCD number or a thumb wheel.)
    - "imageToClipboard"
    - "imageToFile"
      Saves an image of a graphics object (screenshot).
    - "invertedAppearance"
      Changes the direction of the slider into top = minimum value and bottom = maximum value.
    - "invertedControls"
      Defines if the key and wheel events of the slider shall be inverted.
    - "isActiveWindow"
      The attribute "isActiveWindow"; returns TRUE if this widget is the active window, otherwise FALSE.
    - "layoutDirection"
      Defines the widget's layout direction.
    - "lineStep"
      Specifies the current line step of a slider when using the cursor keys.
    - "maximum"
      Defines the upper limit of the value range.
    - "maximumHeight, maximumWidth"
      The attribute "maximumHeight"; returns the maximum height of a textEdit (excluding any window frame), a tree widget or a slider and the attribute "maximumWidth"; the maximum width of a textEdit, a tree widget or a slider.
    - "minimumHeight, minimumWidth"
      The attribute "minimumHeight"; returns the minimum height of a textEdit (excluding any window frame), a tree widget or of a slider and the attribute "minimumWidth"; the minimum width of a textEdit, tree widget or a slider.
    - "maxValue";
      The attribute "maxValue"; sets the maximum value, which is returned when a slider is moved to maximum position. In case of thumb wheel the thumb wheel is moved between the minimum and maximum value.
    - "minimum"
      Defines the lower limit of the value range.
    - "minValue"
      The attribute "minValue"; sets the minimum value, which is returned when a slider is moved to minimum position. In case of thumb wheel the thumb wheel is moved between the minimum and maximum value.
    - "orientation";
      Sets the orientation of a slider, a thumb wheel, a progress bar or a spacer.
    - "ownCursor";
      The attribute "ownCursor" returns TRUE if an object (for example a textEdit, a tree widget, a slider, a zoom navigator or a thumb wheel) uses its own cursor. If the value is FALSE, the object uses its parent widget`s cursor.
    - "ownFont";
      The attribute "ownFont"; returns TRUE if an object (for example, a textEdit, a slider, a zoom navigator or a tree widget) uses its own font. If the value is FALSE, the object uses its parent widget`s font.
    - "pageStep";
      Specifies the step of a slider when pressing PageUp / PageDown or clicking with the mouse on the slider.
    - "singleStep"
      Defines the value for a step if you press the arrow keys.
    - "sliderDown"
      This property shows whether the slider is currently pressed down by the mouse.
    - "sliderPosition"
      Shows the current slider position.
    - "tickInterval"
      Sets the interval between the tick marks.
    - "tickPosition"
      Defines where the position marks of a slider are to be drawn.
    - "tooltipDuration"
      Specifies how long a tooltip is shown.
    - "tracking"
      The attribute "tracking" specifies whether the slider tracking is enabled.
    - "underMouse"
      Returns TRUE if a widget (textEdit, slider, thumb wheel, tree widget, zoom navigator, LCD number or progress bar) is beneath the cursor.
    - "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.
    - "value"
      Sets the current value of a slider.
    - "width"
      The attribute "width" returns the width of an object (e.g. a textEdit, a zoom navigator or a slider).
    - "x", "y"
      The attributes x and y return the coordinate of an object (e.g. a textEdit, a progress bar, a slider, a zoom navigator, an LCD number or a thumb wheel). x returns the X coordinate of an object. y returns the Y coordinate of an object.
  - Spin button
  - Splitter
  - Tab
  - Table
  - TextEdit
  - Text field
  - Thumb wheel
  - ToggleSwitch EWO
  - Tree widget
  - Trend
  - VideoPlayer.ewo
  - 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.
- API Manager
  The WinCC OA API (Application Programming Interface) offers a number of functions adding special Managers to this process control system.
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.
WinCC OA Documentation
Basic information about terms and functions within the documentation.
Disclaimer
A brief clarification of liability exclusions or legal notices.

"singleStep"

Defines the value for a step if you press the arrow keys.

Synopsis

shape.singleStep(int value);

Parameters


Parameter	Description
value	Value for each step

Description

Defines the value for a step if you press the arrow keys.

Assignment

Slider