Class

RadTrackBarElement

Declaration

public RadTrackBarElement()

Identifies the IsVertical dependency property.

Declaration

public static RadProperty IsVerticalProperty

Field Value

Occurs when a range value is changed.

Declaration

public RangeChangedEventHandler RangeValueChanged

Field Value

Gets or sets whether the selected thumb should move on arrow key press.

Declaration

[Browsable(true)]
public bool AllowKeyNavigation { get; set; }

Property Value

Gets or sets whether the element automatically adjusts its size to fit its content.

Declaration

public override bool AutoSize { get; set; }

Property Value

Overrides RadElement.AutoSize

Gets the instance of TrackBarBodyElement. This element is the core component in the hierarchy tree and encapsulates the scale and indicators functionality.

Declaration

[Browsable(false)]
public TrackBarBodyElement BodyElement { get; }

Property Value

Gets or sets the currently selected thumb element.

Declaration

[Browsable(false)]
public TrackBarThumbElement CurrentThumb { get; set; }

Property Value

Gets or sets the track bar's orientation. When true, the track bar is displayed vertically.

Declaration

[Browsable(false)]
public bool IsVertical { get; set; }

Property Value

Gets or sets the style of labels displayed on the track bar.

Declaration

public TrackBarLabelStyle LabelStyle { get; set; }

Property Value

Gets or sets the number of positions that the track bar moves in response to mouse clicks. A value of zero uses the default large change calculation.

Declaration

public int LargeChange { get; set; }

Property Value

Gets or sets the number of positions between large tick marks on the track bar. A value of zero disables large tick marks.

Declaration

public int LargeTickFrequency { get; set; }

Property Value

Gets the instance of the left TrackBarArrowButton used for navigation.

Declaration

[Browsable(false)]
public TrackBarArrowButton LeftButton { get; }

Property Value

Gets or sets the maximum value for the track bar position. The value cannot be less than the minimum value.

Declaration

public float Maximum { get; set; }

Property Value

Gets or sets the minimum value for the track bar position. The value cannot be less than zero.

Declaration

public float Minimum { get; set; }

Property Value

Gets the collection of ranges defined for the track bar.

Declaration

public TrackBarRangeCollection Ranges { get; }

Property Value

Gets the instance of the right TrackBarArrowButton used for navigation.

Declaration

[Browsable(false)]
public TrackBarArrowButton RightButton { get; }

Property Value

Gets or sets whether the track bar navigation buttons should be displayed.

Declaration

public bool ShowButtons { get; set; }

Property Value

Gets or sets whether the slide area should be visible on the track bar.

Declaration

public bool ShowSlideArea { get; set; }

Property Value

Gets or sets the visibility of tick marks on the track bar.

Declaration

public bool ShowTicks { get; set; }

Property Value

Declaration

[Browsable(false)]
public int SlideAreaWidth { get; set; }

Property Value

Declaration

[Browsable(false)]
public Color SliderAreaColor1 { get; set; }

Property Value

Declaration

[Browsable(false)]
public Color SliderAreaColor2 { get; set; }

Property Value

Declaration

[Browsable(false)]
public float SliderAreaGradientAngle { get; set; }

Property Value

Gets or sets the number of positions that the track bar moves in response to keyboard arrow keys and the track bar buttons.

Declaration

public int SmallChange { get; set; }

Property Value

Gets or sets the number of positions between small tick marks on the track bar. A value of zero disables small tick marks.

Declaration

public int SmallTickFrequency { get; set; }

Property Value

Gets or sets the snap frequency behavior of the track bar.

Declaration

public TrackBarSnapFrequency SnapFrequency { get; set; }

Property Value

Gets or sets the snap mode behavior of the track bar.

Declaration

public TrackBarSnapModes SnapMode { get; set; }

Property Value

Declaration

[Browsable(false)]
public Size ThumbSize { get; set; }

Property Value

Declaration

[Browsable(false)]
public int ThumbWidth { get; set; }

Property Value

Declaration

[Browsable(false)]
public Color TickColor { get; set; }

Property Value

Declaration

[Browsable(false)]
public int TickFrequency { get; set; }

Property Value

Gets or sets whether the track bar's tick marks should be displayed and their style.

Declaration

public TickStyles TickStyle { get; set; }

Property Value

Gets or sets the mode of the track bar which determines how ranges and thumbs behave.

Declaration

public TrackBarRangeMode TrackBarMode { get; set; }

Property Value

Gets or sets the current value of the track bar. The value must be between Minimum and Maximum.

Declaration

public float Value { get; set; }

Property Value

Creates the child elements that comprise the RadTrackBarElement.

Declaration

protected override void CreateChildElements()

Overrides RadElement.CreateChildElements()

Creates the main body element that contains the track bar scales and indicators.

Declaration

protected virtual TrackBarBodyElement CreateTrackBarBodyElement()

Returns

Creates the left arrow button element for the track bar.

Declaration

protected virtual TrackBarArrowButton CreateTrackBarLeftArrowButton()

Returns

Creates the right arrow button element for the track bar.

Declaration

protected virtual TrackBarArrowButton CreateTrackBarRightArrowButton()

Returns

Called when the DPI scale changes and resets cached size measurements.

Declaration

public override void DpiScaleChanged(SizeF scaleFactor)

Parameters

Overrides RadElement.DpiScaleChanged(SizeF)

Fires the Scroll event with the specified old value.

Declaration

public void FireScrollEvent(int oldValue)

Parameters

Initializes the default values for the element's fields.

Declaration

protected override void InitializeFields()

Overrides StackLayoutElement.InitializeFields()

Measures the desired size of the element, taking into account cached measurements for performance.

Declaration

protected override SizeF MeasureOverride(SizeF availableSize)

Parameters

Returns

Overrides StackLayoutElement.MeasureOverride(SizeF)

Handles keyboard input for track bar navigation when AllowKeyNavigation is enabled.

Declaration

protected override void OnKeyDown(KeyEventArgs e)

Parameters

Overrides RadItem.OnKeyDown(KeyEventArgs)

Raises the LabelFormatting event.

Declaration

protected virtual void OnLabelFormatting(TrackBarLabelElement labelElement)

Parameters

Called when the element is loaded and initializes formatting for labels and tick marks.

Declaration

protected override void OnLoaded()

Overrides LightVisualElement.OnLoaded()

Called when a property change notification is triggered and handles layout and visual updates.

Declaration

protected override void OnNotifyPropertyChanged(string propertyName)

Parameters

Overrides RadObject.OnNotifyPropertyChanged(string)

Called when a property value changes and handles property-specific updates.

Declaration

protected override void OnPropertyChanged(RadPropertyChangedEventArgs e)

Parameters

Overrides LightVisualElement.OnPropertyChanged(RadPropertyChangedEventArgs)

Raises the RangeValueChanged event.

Declaration

protected void OnRangeValueChanged(RangeChangedEventArgs e)

Parameters

Raises the Scroll event.

Declaration

public virtual void OnScroll(ScrollEventArgs e)

Parameters

Raises the TickFormatting event.

Declaration

protected virtual void OnTickFormatting(TrackBarTickElement tickElement)

Parameters

Raises the ValueChanged event.

Declaration

public virtual void OnValueChanged(EventArgs e)

Parameters

Occurs when a label needs to be formatted.

Declaration

public event LabelFormattingEventHandler LabelFormatting

Event Value

Occurs when the track bar slider moves.

Declaration

public event ScrollEventHandler Scroll

Event Value

Occurs when a tick mark needs to be formatted.

Declaration

public event TickFormattingEventHandler TickFormatting

Event Value

Occurs when the Value property changes.

Declaration

public event EventHandler ValueChanged

Event Value