ParliamentChart Class
Definition
A parliament chart displaying legislative seat distributions in a hemicycle layout. Commonly used to visualize political party representation in legislative bodies.
public class ParliamentChart
Constructors
| Name | Description |
|---|---|
| ParliamentChart | Initializes a new instance of Avalonia.Controls.Charts.ParliamentChart. |
ParliamentChart Constructor
Initializes a new instance of Avalonia.Controls.Charts.ParliamentChart.
public ParliamentChart()
Methods
| Name | Description |
|---|---|
| AddHandler (2 overloads) | Adds a handler for the specified routed event. Inherited from Interactive. |
| ApplyStyling | Applies styling to the control if the control is initialized and styling is not already applied. Inherited from StyledElement. |
| ApplyTemplate | Creates the visual children of the control, if necessary Inherited from TemplatedControl. |
| Arrange | Arranges the control and its children. Inherited from Layoutable. |
| BeginInit | Inherited from StyledElement. |
| Bind (8 overloads) | Binds a Avalonia.AvaloniaProperty to an Avalonia.Data.BindingBase. Inherited from AvaloniaObject. |
| CheckAccess | Returns a value indicating whether the current thread is the UI thread. Inherited from AvaloniaObject. |
| ClearValue (4 overloads) | Clears a Avalonia.AvaloniaProperty's local value. Inherited from AvaloniaObject. |
| CoerceValue | Coerces the specified Avalonia.AvaloniaProperty. Inherited from AvaloniaObject. |
| EndInit | Inherited from StyledElement. |
| Equals | Compares two objects using reference equality. Inherited from AvaloniaObject. |
| ExportAsync (3 overloads) | Inherited from ChartBase. |
| Focus | Focuses the control. Inherited from InputElement. |
| GetBaseValue | Inherited from AvaloniaObject. |
| GetFlowDirection | Gets the value of the attached Avalonia.Visual.FlowDirectionProperty on a control. Inherited from Visual. |
| GetHashCode | Gets the hash code for the object. Inherited from AvaloniaObject. |
| GetIsHoldingEnabled | Inherited from InputElement. |
| GetIsHoldWithMouseEnabled | Inherited from InputElement. |
| GetIsTemplateFocusTarget | Gets the value of the IsTemplateFocusTargetProperty attached property on a control. Inherited from TemplatedControl. |
| GetLegendItems | Gets the legend items for this chart based on its series. Inherited from ChartBase. |
| GetSeriesBrush | Gets the brush for a series at the specified index from the palette. Inherited from ChartBase. |
| GetValue (3 overloads) | Gets a Avalonia.AvaloniaProperty value. Inherited from AvaloniaObject. |
| InvalidateArrange | Invalidates the arrangement of the control and queues a new layout pass. Inherited from Layoutable. |
| InvalidateMeasure | Invalidates the measurement of the control and queues a new layout pass. Inherited from Layoutable. |
| InvalidateVisual | Invalidates the visual and queues a repaint. Inherited from Visual. |
| IsAnimating | Checks whether a Avalonia.AvaloniaProperty is animating. Inherited from AvaloniaObject. |
| IsSet | Checks whether a Avalonia.AvaloniaProperty is set on this object. Inherited from AvaloniaObject. |
| Measure | Carries out a measure of the control. Inherited from Layoutable. |
| RaiseEvent | Raises a routed event. Inherited from Interactive. |
| RemoveHandler (2 overloads) | Removes a handler for the specified routed event. Inherited from Interactive. |
| Render | Clears stale hit regions then delegates to the Avalonia render pipeline. All derived chart overrides call base.Render(context), so this runs before every frame. |
| ReplayAnimation | Replays the entry animation. Inherited from ChartBase. |
| SetCurrentValue (2 overloads) | Sets the value of a dependency property without changing its value source. Inherited from AvaloniaObject. |
| SetFlowDirection | Sets the value of the attached Avalonia.Visual.FlowDirectionProperty on a control. Inherited from Visual. |
| SetIsHoldingEnabled | Inherited from InputElement. |
| SetIsHoldWithMouseEnabled | Inherited from InputElement. |
| SetIsTemplateFocusTarget | Sets the value of the IsTemplateFocusTargetProperty attached property on a control. Inherited from TemplatedControl. |
| SetValue (3 overloads) | Sets a Avalonia.AvaloniaProperty value. Inherited from AvaloniaObject. |
| TryGetResource | Inherited from StyledElement. |
| UpdateLayout | Executes a layout pass. Inherited from Layoutable. |
| VerifyAccess | Checks that the current thread is the UI thread and throws if not. Inherited from AvaloniaObject. |
Render Method
Clears stale hit regions then delegates to the Avalonia render pipeline. All derived chart overrides call base.Render(context), so this runs before every frame.
public void Render(Avalonia.Media.DrawingContext context)
Parameters
context Avalonia.Media.DrawingContext
The drawing context.
Properties
| Name | Description |
|---|---|
| ActualThemeVariant | Gets the UI theme that is currently used by the element, which might be different than the RequestedThemeVariantProperty. Inherited from StyledElement. |
| AnimationDuration | Gets or sets the duration of the entry animation. Inherited from ChartBase. |
| AnimationProgress | Gets or sets the overall animation progress for charts. Inherited from ChartBase. |
| Background | Gets or sets the brush used to draw the control's background. Inherited from TemplatedControl. |
| BackgroundSizing | Gets or sets how the control's background is drawn relative to the control's border. Inherited from TemplatedControl. |
| BorderBrush | Gets or sets the brush used to draw the control's border. Inherited from TemplatedControl. |
| BorderThickness | Gets or sets the thickness of the control's border. Inherited from TemplatedControl. |
| Bounds | Gets the bounds of the control relative to its parent. Inherited from Visual. |
| CacheMode | Gets or sets the cache mode of the visual. Inherited from Visual. |
| Classes | Gets or sets the styled element's classes. Inherited from StyledElement. |
| Clip | Gets or sets the geometry clip for this visual. Inherited from Visual. |
| ClipToBounds | Gets or sets a value indicating whether the control should be clipped to its bounds. Inherited from Visual. |
| ContextFlyout | Gets or sets a context flyout to the control Inherited from Control. |
| ContextMenu | Gets or sets a context menu to the control. Inherited from Control. |
| CornerRadius | Gets or sets the radius of the border rounded corners. Inherited from TemplatedControl. |
| Cursor | Gets or sets associated mouse cursor. Inherited from InputElement. |
| DataContext | Gets or sets the control's data context. Inherited from StyledElement. |
| DataTemplates | Gets or sets the data templates for the control. Inherited from Control. |
| DesiredSize | Gets the size that this element computed during the measure pass of the layout process. Inherited from Layoutable. |
| Dispatcher | Returns the Avalonia.AvaloniaObject.Dispatcher that this Avalonia.AvaloniaObject is associated with. Inherited from AvaloniaObject. |
| Easing | Gets or sets the easing function for chart animations. This is applied through the shared chart animation progress pipeline used by animated chart and series renderers. Inherited from ChartBase. |
| Effect | Gets or sets the effect of the control. Inherited from Visual. |
| EndAngle | Gets or sets the ending angle in degrees (default: 0 for right side). |
| FlowDirection | Gets or sets the text flow direction. Inherited from Visual. |
| Focusable | Gets or sets a value indicating whether the control can receive focus. Inherited from InputElement. |
| FocusAdorner | Gets or sets the control's focus adorner. Inherited from Control. |
| FontFamily | Gets or sets the font family used to draw the control's text. Inherited from TemplatedControl. |
| FontFeatures | Gets or sets the font features turned on/off. Inherited from TemplatedControl. |
| FontSize | Gets or sets the size of the control's text in points. Inherited from TemplatedControl. |
| FontStretch | Gets or sets the font stretch used to draw the control's text. Inherited from TemplatedControl. |
| FontStyle | Gets or sets the font style used to draw the control's text. Inherited from TemplatedControl. |
| FontWeight | Gets or sets the font weight used to draw the control's text. Inherited from TemplatedControl. |
| Foreground | Gets or sets the brush used to draw the control's text and other foreground elements. Inherited from TemplatedControl. |
| GestureRecognizers | Inherited from InputElement. |
| HasMirrorTransform | Gets or sets a value indicating whether to apply mirror transform on this control. Inherited from Visual. |
| Height | Gets or sets the height of the element. Inherited from Layoutable. |
| HorizontalAlignment | Gets or sets the element's preferred horizontal alignment in its parent. Inherited from Layoutable. |
| InnerRadiusFactor | Gets or sets the inner radius factor (0-1). |
| IsAnimationEnabled | Gets or sets whether to enable entry animations. Inherited from ChartBase. |
| IsArrangeValid | Gets a value indicating whether the control's layouts arrange is valid. Inherited from Layoutable. |
| IsEffectivelyEnabled | Gets a value indicating whether this control and all its parents are enabled. Inherited from InputElement. |
| IsEffectivelyVisible | Gets a value indicating whether this control and all its parents are visible. Inherited from Visual. |
| IsEnabled | Gets or sets a value indicating whether the control is enabled for user interaction. Inherited from InputElement. |
| IsFocused | Gets a value indicating whether the control is focused. Inherited from InputElement. |
| IsHitTestVisible | Gets or sets a value indicating whether the control is considered for hit testing. Inherited from InputElement. |
| IsInitialized | Gets a value that indicates whether the element has finished initialization. Inherited from StyledElement. |
| IsKeyboardFocusWithin | Gets a value indicating whether keyboard focus is anywhere within the element or its visual tree child elements. Inherited from InputElement. |
| IsLoaded | Gets a value indicating whether the control is fully constructed in the visual tree and both layout and render are complete. Inherited from Control. |
| IsMeasureValid | Gets a value indicating whether the control's layout measure is valid. Inherited from Layoutable. |
| IsPointerOver | Gets a value indicating whether the pointer is currently over the control. Inherited from InputElement. |
| IsRenderDiagnosticsEnabled | Gets or sets whether render diagnostics counters are captured for this chart. Disabled charts skip diagnostics allocation, count collection, stopwatch sampling, and overlay drawing. Inherited from ChartBase. |
| IsTabStop | Gets or sets a value that indicates whether the control is included in tab navigation. Inherited from InputElement. |
| IsTooltipEnabled | Gets or sets whether to show tooltips when hovering/tapping data points. Inherited from ChartBase. |
| IsVisible | Gets or sets a value indicating whether this control is visible. Inherited from Visual. |
| Item | Inherited from AvaloniaObject. |
| KeyBindings | Inherited from InputElement. |
| LabelForeground | Gets or sets the brush used for axis and chart-level labels. Series or annotations with their own label brush properties can override this locally. Inherited from ChartBase. |
| LegendAlignment | Gets or sets the legend alignment. Inherited from ChartBase. |
| LegendOffset | Gets or sets the offset for the floating legend. Inherited from ChartBase. |
| LegendPosition | Gets or sets the position of the chart legend. Set this to Avalonia.Controls.Charts.LegendPosition.None to hide the legend entirely. Inherited from ChartBase. |
| LetterSpacing | Gets or sets the letter spacing for the control's text content. Inherited from TemplatedControl. |
| Margin | Gets or sets the margin around the element. Inherited from Layoutable. |
| MaxHeight | Gets or sets the maximum height of the element. Inherited from Layoutable. |
| MaxWidth | Gets or sets the maximum width of the element. Inherited from Layoutable. |
| MinHeight | Gets or sets the minimum height of the element. Inherited from Layoutable. |
| MinWidth | Gets or sets the minimum width of the element. Inherited from Layoutable. |
| Name | Gets or sets the name of the styled element. Inherited from StyledElement. |
| Opacity | Gets or sets the opacity of the control. Inherited from Visual. |
| OpacityMask | Gets or sets the opacity mask of the control. Inherited from Visual. |
| Padding | Gets or sets the padding placed between the border of the control and its content. Inherited from TemplatedControl. |
| Palette | Gets or sets the color palette used for series colors. Inherited from ChartBase. |
| Parent | Gets the styled element's logical parent. Inherited from StyledElement. |
| Parties | Gets or sets the collection of parties with their seat allocations. |
| PlotAreaContent | Gets or sets custom content to overlay on the plot area. The content is measured and arranged within the effective plot bounds for the chart type. Inherited from ChartBase. |
| RenderTransform | Gets or sets the render transform of the control. Inherited from Visual. |
| RenderTransformOrigin | Gets or sets the transform origin of the control. Inherited from Visual. |
| Resources | Gets or sets the styled element's resource dictionary. Inherited from StyledElement. |
| Rows | Gets or sets the number of semicircular rows (arcs). |
| SeatGap | Gets or sets the gap between seats. |
| ShowLegend | Gets or sets whether to show the legend. The meaning of each legend entry depends on the chart type. Some legends describe hideable series, while others are explanatory scales. Inherited from ChartBase. |
| ShowRenderDiagnosticsOverlay | Gets or sets whether to show the render diagnostics overlay for this chart. This has no effect unless Avalonia.Controls.Charts.ChartBase.IsRenderDiagnosticsEnabled is also true. Inherited from ChartBase. |
| StartAngle | Gets or sets the starting angle in degrees (default: 180 for left side). |
| StyleKey | Gets the type by which the element is styled. Inherited from StyledElement. |
| Styles | Gets the styles for the styled element. Inherited from StyledElement. |
| TabIndex | Gets or sets a value that determines the order in which elements receive focus when the user navigates through controls by pressing the Tab key. Inherited from InputElement. |
| Tag | Gets or sets a user-defined object attached to the control. Inherited from Control. |
| Template | Gets or sets the template that defines the control's appearance. Inherited from TemplatedControl. |
| TemplatedParent | Gets the styled element whose lookless template this styled element is part of. Inherited from StyledElement. |
| Theme | Gets or sets the theme to be applied to the element. Inherited from StyledElement. |
| Title | Gets or sets the chart title displayed above the chart. Inherited from ChartBase. |
| ToggleSeriesVisibility | Gets or sets whether clicking legend items toggles series visibility. This only applies to charts whose legends represent hideable series or categories. Charts with explanatory scale legends coerce this value back to . Inherited from ChartBase. |
| TotalSeats | Gets or sets the total number of seats to display. |
| Transitions | Gets or sets the property transitions for the control. Inherited from Animatable. |
| UseLayoutRounding | Gets or sets a value that determines whether the element should be snapped to pixel boundaries at layout time. Inherited from Layoutable. |
| VerticalAlignment | Gets or sets the element's preferred vertical alignment in its parent. Inherited from Layoutable. |
| Width | Gets or sets the width of the element. Inherited from Layoutable. |
| ZIndex | Gets or sets the Z index of the control. Inherited from Visual. |
EndAngle Property
Gets or sets the ending angle in degrees (default: 0 for right side).
public double EndAngle { get; set; }
InnerRadiusFactor Property
Gets or sets the inner radius factor (0-1).
public double InnerRadiusFactor { get; set; }
Parties Property
Gets or sets the collection of parties with their seat allocations.
public System.Collections.Generic.IList<Avalonia.Controls.Charts.ParliamentParty> Parties { get; set; }
Rows Property
Gets or sets the number of semicircular rows (arcs).
public int Rows { get; set; }
SeatGap Property
Gets or sets the gap between seats.
public double SeatGap { get; set; }
StartAngle Property
Gets or sets the starting angle in degrees (default: 180 for left side).
public double StartAngle { get; set; }
TotalSeats Property
Gets or sets the total number of seats to display.
public int TotalSeats { get; set; }
Fields
EndAngleProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.EndAngle Avalonia property.
public Avalonia.StyledProperty<double> EndAngleProperty
InnerRadiusFactorProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.InnerRadiusFactor Avalonia property.
public Avalonia.StyledProperty<double> InnerRadiusFactorProperty
PartiesProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.Parties Avalonia property.
public Avalonia.StyledProperty<System.Collections.Generic.IList<Avalonia.Controls.Charts.ParliamentParty>> PartiesProperty
RowsProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.Rows Avalonia property.
public Avalonia.StyledProperty<int> RowsProperty
SeatGapProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.SeatGap Avalonia property.
public Avalonia.StyledProperty<double> SeatGapProperty
StartAngleProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.StartAngle Avalonia property.
public Avalonia.StyledProperty<double> StartAngleProperty
TotalSeatsProperty Field
Identifies the Avalonia.Controls.Charts.ParliamentChart.TotalSeats Avalonia property.
public Avalonia.StyledProperty<int> TotalSeatsProperty
Events
| Name | Description |
|---|---|
| ActualThemeVariantChanged | Raised when the theme variant is changed on the element or an ancestor of the element. Inherited from StyledElement. |
| AttachedToLogicalTree | Raised when the styled element is attached to a rooted logical tree. Inherited from StyledElement. |
| AttachedToVisualTree | Raised when the control is attached to a rooted visual tree. Inherited from Visual. |
| ContextCanceled | Occurs when the context input gesture continues into another gesture, to notify the element that the context flyout should not be opened. Inherited from InputElement. |
| ContextRequested | Occurs when the user has completed a context input gesture, such as a right-click. Inherited from InputElement. |
| DataContextChanged | Occurs when the Avalonia.StyledElement.DataContext property changes. Inherited from StyledElement. |
| DataPointClicked | Occurs when a data point is clicked. Inherited from ChartBase. |
| DataPointHovered | Occurs when the hovered data point changes. Fired after the debounce interval when the pointer moves over a new data point or leaves all data points. Inherited from ChartBase. |
| DetachedFromLogicalTree | Raised when the styled element is detached from a rooted logical tree. Inherited from StyledElement. |
| DetachedFromVisualTree | Raised when the control is detached from a rooted visual tree. Inherited from Visual. |
| DoubleTapped | Occurs when the user briefly contacts and releases twice on a single point, without significant movement. Inherited from InputElement. |
| EffectiveViewportChanged | Occurs when the element's effective viewport changes. Inherited from Layoutable. |
| ExportCompleted | Occurs when a chart export operation completes successfully. Inherited from ChartBase. |
| ExportFailed | Occurs when a chart export operation fails. Subscribe to this event to receive export errors that would otherwise be silent. Inherited from ChartBase. |
| GettingFocus | Occurs before the control receives focus. Inherited from InputElement. |
| GotFocus | Occurs when the control receives focus. Inherited from InputElement. |
| Holding | Occurs when the user makes a single contact, then maintains contact beyond a given time threshold without releasing or making another contact. Inherited from InputElement. |
| Initialized | Occurs when the styled element has finished initialization. Inherited from StyledElement. |
| KeyDown | Occurs when a key is pressed while the control has focus. Inherited from InputElement. |
| KeyUp | Occurs when a key is released while the control has focus. Inherited from InputElement. |
| LayoutUpdated | Occurs when a layout pass completes for the control. Inherited from Layoutable. |
| LegendItemClicked | Occurs when a legend item is clicked and its visibility is toggled. Inherited from ChartBase. |
| Loaded | Occurs when the control has been fully constructed in the visual tree and both layout and render are complete. Inherited from Control. |
| LosingFocus | Occurs before the control loses focus. Inherited from InputElement. |
| LostFocus | Occurs when the control loses focus. Inherited from InputElement. |
| Pinch | Occurs when the user moves two contact points closer together. Inherited from InputElement. |
| PinchEnded | Occurs when the user releases both contact points used in a pinch gesture. Inherited from InputElement. |
| PointerCaptureLost | Occurs when the control or its child control loses the pointer capture for any reason, event will not be triggered for a parent control if capture was transferred to another child of that parent control. Inherited from InputElement. |
| PointerEntered | Occurs when the pointer enters the control. Inherited from InputElement. |
| PointerExited | Occurs when the pointer leaves the control. Inherited from InputElement. |
| PointerMoved | Occurs when the pointer moves over the control. Inherited from InputElement. |
| PointerPressed | Occurs when the pointer is pressed over the control. Inherited from InputElement. |
| PointerReleased | Occurs when the pointer is released over the control. Inherited from InputElement. |
| PointerTouchPadGestureMagnify | Occurs when the user moves two contact points away from each other on a touchpad. Inherited from InputElement. |
| PointerTouchPadGestureRotate | Occurs when the user places two contact points and moves them in a circular motion on a touchpad. Inherited from InputElement. |
| PointerTouchPadGestureSwipe | Occurs when the user performs a rapid dragging motion in a single direction on a touchpad. Inherited from InputElement. |
| PointerWheelChanged | Occurs when the mouse is scrolled over the control. Inherited from InputElement. |
| PropertyChanged | Raised when a Avalonia.AvaloniaProperty value changes on this object. Inherited from AvaloniaObject. |
| PullGesture | Occurs when the user drags from the edge of a control. Inherited from InputElement. |
| PullGestureEnded | Occurs when the user releases the pointer after a pull gesture. Inherited from InputElement. |
| ResourcesChanged | Occurs when a resource in this styled element or a parent styled element has changed. Inherited from StyledElement. |
| RightTapped | Occurs when the user briefly contacts and releases a single point, without significant movement, using a mechanism on the input device recognized as a right button or equivalent. Inherited from InputElement. |
| ScrollGesture | Occurs when the user continuously moves the pointer in the same direction within the control’s boundaries. Inherited from InputElement. |
| ScrollGestureEnded | Occurs when a scroll gesture has fully stopped, taking into account any inertial movement that continues the scroll after the user has released the pointer. Inherited from InputElement. |
| ScrollGestureInertiaStarting | Occurs within a scroll gesture, when the user releases the pointer, and scrolling continues by transitioning to momentum-based gliding movement. Inherited from InputElement. |
| SizeChanged | Occurs when the bounds (actual size) of the control have changed. Inherited from Control. |
| SwipeGesture | Occurs when the user rapidly drags the pointer in a single direction across the control. Inherited from InputElement. |
| SwipeGestureEnded | Occurs when a swipe gesture ends on the control. Inherited from InputElement. |
| Tapped | Occurs when the user briefly contacts and releases a single point, without significant movement. Inherited from InputElement. |
| TemplateApplied | Raised when the control's template is applied. Inherited from TemplatedControl. |
| TextInput | Occurs when a user typed some text while the control has focus. Inherited from InputElement. |
| TextInputMethodClientRequested | Occurs when an input element gains input focus and input method is looking for the corresponding client Inherited from InputElement. |
| Unloaded | Occurs when the control is removed from the visual tree. Inherited from Control. |