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  [Collapse]DevExpress.Utils
   [Expand]AppearanceObject Class
   [Expand]AppearanceObjectEx Class
   [Expand]AppearanceOptions Class
   [Expand]AppearanceOptionsEx Class
   [Expand]BaseAppearanceCollection Class
   [Expand]CheckContextButton Class
   [Expand]ContextButton Class
   [Expand]ContextButtonBase Class
   [Expand]ContextItem Class
   [Expand]DefaultToolTipController Class
   [Expand]DPIAwareImageCollection Class
   [Expand]DXMouseEventArgs Class
    EditorShowMode Enumeration
   [Expand]FlyoutPanel Class
   [Expand]FlyoutPanelButtonOptions Class
   [Expand]FlyoutPanelOptions Class
    GroupElementLocation Enumeration
   [Expand]HideException Class
    HKeyPrefix Enumeration
   [Expand]ImageCollection Class
   [Expand]Images Class
   [Expand]KeyShortcut Class
    Locations Enumeration
   [Expand]MagnifierDialog Class
   [Expand]MagnifierDialogArgs Class
   [Expand]MagnifierDialogResult Structure
   [Expand]RatingContextButton Class
   [Expand]SharedImageCollection Class
    SharedImageCollectionImageSizeMode Enumeration
   [Expand]SuperToolTip Class
   [Expand]SvgImageCollection Class
   [Expand]TextOptions Class
   [Expand]ThumbnailImageEventArgs Class
   [Expand]ToolTipControlInfo Class
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    ToolTipControllerBeforeShowEventHandler Delegate
   [Expand]ToolTipControllerCalcSizeEventArgs Class
    ToolTipControllerCalcSizeEventHandler Delegate
   [Expand]ToolTipControllerCustomDrawEventArgs Class
    ToolTipControllerCustomDrawEventHandler Delegate
   [Expand]ToolTipControllerEventArgsBase Class
   [Expand]ToolTipControllerGetActiveObjectInfoEventArgs Class
    ToolTipControllerGetActiveObjectInfoEventHandler Delegate
   [Expand]ToolTipControllerShowEventArgs Class
    ToolTipIconSize Enumeration
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   [Expand]ToolTipItem Class
    ToolTipLocation Enumeration
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    ToolTipType Enumeration
   [Collapse]TrackBarContextButton Class
     TrackBarContextButton Members
     TrackBarContextButton Constructor
    [Expand]TrackBarContextButton Properties
    Trimming Enumeration
   [Expand]WorkspaceManager Class
    XPThemeSupport Enumeration
  [Expand]DevExpress.Utils.Animation
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 End-User Documentation

TrackBarContextButton Class

A scrollable context item.

Namespace:DevExpress.Utils
Assembly:DevExpress.Utils.v17.2.dll

Expanded Syntax

Expanded Remarks

The TrackBarContextButton is a scrollable control that consists of the track, thumb and optionally, zoom buttons. The control is displayed in the owner control and allows an end-user to select a value from the provided range. For a list of controls that support displaying context buttons, see the ContextItem base class. In the figure below, you can see the PictureEdit control that displays the TrackBarContextButton.

To get the currently selected value, read the Value property. To set the range of values, use the Minimum and Maximum properties. The Middle property allows the value in the middle of the track to be specified. The track length is set with the TrackWidth property.

By default, the zoom buttons are displayed. You can hide them by setting the ShowZoomButtons property to false. When an end-user clicks a zoom button, the Value property is increased or decreased based on the value specified by the SmallChange property.

The code below shows how to provide an end-user with the capability to adjust the gray-scaled background in the ImageSlider owner control using the TrackBarContextButton control.

Expanded Inheritance Hierarchy

System.Object
    ContextItem
       TrackBarContextButton

Expanded See Also

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