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Arranges child elements into a single line that can be oriented horizontally or vertically.

StackLayoutPanel provides sophisticated linear layout functionality, allowing elements to be arranged either horizontally or vertically. It supports advanced features including element wrapping when space is exceeded, equal sizing modes, forced element dimensions, and specialized strip mode behavior.

Key capabilities include:

  • Horizontal and vertical orientation support with automatic layout direction
  • Element wrapping to new rows or columns when available space is exceeded
  • Equal sizing modes for creating uniform element dimensions
  • Right-to-left layout support with automatic content alignment adjustment
  • Strip mode for single-line layouts without wrapping behavior
  • Collapse elements on resize for responsive layout behavior

This layout panel is extensively used in toolbars, button panels, menu bars, ribbon controls, and other UI areas where elements need linear arrangement with intelligent space management. The panel automatically handles content alignment, element spacing, and responsive behavior across different screen sizes and orientations.

Definition

Namespace:Telerik.WinControls.Layouts

Assembly:Telerik.WinControls.dll

Syntax:

C#
public class StackLayoutPanel : LayoutPanel, IDisposable, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IStylableNode

Inheritance: objectDisposableObjectRadObjectRadElementLayoutPanelStackLayoutPanel...

Derived Classes: ExpandableStackLayoutFlightStackLayoutPanelRadApplicationMenuBottomStripLayoutRadCommandBarItemsPanelRadDropDownMenuLayoutRadStackViewportStrechedHorizontalStackLayoutPanelTaskDialogStackLayoutPanel...

Implements: ICustomTypeDescriptorIDisposableINotifyPropertyChangedIStylableNodeISupportSystemSkin

Inherited Members RadElement.BoundsPropertyRadElement.BorderThicknessPropertyRadElement.PaddingPropertyRadElement.MarginPropertyRadElement.AlignmentPropertyRadElement.AutoSizeModePropertyRadElement.FitToSizeModePropertyRadElement.MinSizePropertyRadElement.EnabledPropertyRadElement.CanFocusPropertyRadElement.IsItemFocusedPropertyRadElement.IsFocusedPropertyRadElement.IsMouseOverPropertyRadElement.IsMouseOverElementPropertyRadElement.IsMouseDownPropertyRadElement.ShouldPaintPropertyRadElement.VisibilityPropertyRadElement.NamePropertyRadElement.ClassPropertyRadElement.ClipDrawingPropertyRadElement.ShapePropertyRadElement.MouseClickedEventRadElement.MouseDoubleClickedEventRadElement.MouseDownEventRadElement.MouseUpEventRadElement.MouseWheelEventRadElement.ChildElementAddedEventRadElement.ParentChangedEventRadElement.BoundsChangedEventRadElement.VisibilityChangingEventRadElement.EnabledChangedEventRadElement.ControlChangedEventRadElement.BackgroundShapePropertyRadElement.BackgroundShapePaintModePropertyRadElement.ContainsFocusPropertyRadElement.ContainsMousePropertyRadElement.MaxSizePropertyRadElement.RightToLeftPropertyRadElement.AutoSizePropertyRadElement.ZIndexPropertyRadElement.AngleTransformPropertyRadElement.ScaleTransformPropertyRadElement.PositionOffsetPropertyRadElement.TagPropertyRadElement.StretchHorizontallyPropertyRadElement.StretchVerticallyPropertyRadElement.UseCompatibleTextRenderingPropertyRadElement.ClickModePropertyRadElement.styleVersionRadElement.paintSystemSkinRadElement.SetPropertyValueCommandRadElement.GetPropertyValueCommandRadElement.StylePropertyRadElement.CallCreateChildElements()RadElement.SuspendReferenceUpdate()RadElement.ResumeReferenceUpdate()RadElement.InitializeFields()RadElement.CreateChildElements()RadElement.OnLoad(bool)RadElement.LoadCore()RadElement.OnLoaded()RadElement.OnUnload(ComponentThemableElementTree, bool)RadElement.UnloadCore(ComponentThemableElementTree)RadElement.OnUnloaded(ComponentThemableElementTree)RadElement.OnElementTreeChanged(ComponentThemableElementTree)RadElement.OnBeginDispose()RadElement.SetParent(RadElement)RadElement.OnParentChanged(RadElement)RadElement.UpdateReferences(ComponentThemableElementTree, bool, bool)RadElement.ResetLayout(bool)RadElement.HasInvisibleAncestor()RadElement.ResetLayoutCore()RadElement.InvalidateArrange()RadElement.InvalidateArrange(bool)RadElement.InvalidateMeasure()RadElement.InvalidateMeasure(bool)RadElement.UpdateLayout()RadElement.SuspendLayout()RadElement.SuspendLayout(bool)RadElement.ResumeLayout(bool)RadElement.ResumeLayout(bool, bool)RadElement.Arrange(RectangleF)RadElement.Measure(SizeF)RadElement.SetBounds(Rectangle)RadElement.SetBounds(int, int, int, int)RadElement.GetBoundingRectangle(Size)RadElement.GetBoundingRectangle(Rectangle)RadElement.GetDesiredSize(bool)RadElement.PointToScreen(Point)RadElement.PointFromScreen(Point)RadElement.PointToControl(Point)RadElement.PointFromControl(Point)RadElement.LocationToControl()RadElement.RectangleToScreen(Rectangle)RadElement.HitTest(Point)RadElement.OnRenderSizeChanged(SizeChangedInfo)RadElement.OnChildDesiredSizeChanged(RadElement)RadElement.OnLayoutPropertyChanged(RadPropertyChangedEventArgs)RadElement.ArrangeCore(RectangleF)RadElement.MeasureCore(SizeF)RadElement.ShouldArrangeChild(RadElement)RadElement.ShouldMeasureChild(RadElement)RadElement.MeasureChildren(SizeF)RadElement.GetArrangeRect(RectangleF)RadElement.CanExecuteLayoutOperation()RadElement.CalcLayoutOffset(PointF)RadElement.LockBounds()RadElement.UnlockBounds()RadElement.SetBoundsCore(Rectangle)RadElement.IsInValidState(bool)RadElement.Invalidate()RadElement.Invalidate(bool)RadElement.GetInvalidateBounds()RadElement.NotifyInvalidate(RadElement)RadElement.OnTransformationInvalidated()RadElement.PerformLayoutTransformation(ref RadMatrix)RadElement.PerformPaintTransformation(ref RadMatrix)RadElement.IsInGetAsBitmap()RadElement.PaintElement(IGraphics, float, SizeF)RadElement.PaintElementSkin(IGraphics)RadElement.PaintOverride(IGraphics, Rectangle, float, SizeF, bool)RadElement.PrePaintElement(IGraphics)RadElement.PostPaintElement(IGraphics)RadElement.PaintBackgroundShape(IGraphics)RadElement.PostPaintChildren(IGraphics, Rectangle, float, SizeF)RadElement.PaintChildren(IGraphics, Rectangle, float, SizeF, bool)RadElement.PaintChild(RadElement, IGraphics, Rectangle, float, SizeF, bool)RadElement.PaintShadow(RadElement, IGraphics)RadElement.PaintShadowCore(Graphics, Rectangle, RadItem)RadElement.GetShadowRect(ref Rectangle, int)RadElement.PaintFocusCues(IGraphics, Rectangle)RadElement.GetAsBitmap(IGraphics, Brush, float, SizeF)RadElement.GetAsTransformedBitmap(IGraphics, Brush, float, SizeF)RadElement.GetAsTransformedBitmap(Brush, float, SizeF)RadElement.GetAsTransformedBitmap(Rectangle, Brush, float, SizeF)RadElement.GetAsBitmapEx(Color, float, SizeF)RadElement.GetAsBitmapEx(Brush, float, SizeF)RadElement.GetAsBitmap(Brush, float, SizeF)RadElement.IsInVisibleClipBounds(Rectangle)RadElement.SetClipping(Graphics)RadElement.GetClipRect()RadElement.ShouldPaintChild(RadElement)RadElement.GetFocusRect()RadElement.GetCurrentShape()RadElement.GetPaintRectangle(float, float, SizeF)RadElement.GetPatchedRect(RectangleF, float, SizeF)RadElement.GetXPVisualStyle()RadElement.GetVistaVisualStyle()RadElement.InitializeSystemSkinPaint()RadElement.UnitializeSystemSkinPaint()RadElement.GetSystemSkinPaintBounds()RadElement.OnUseSystemSkinChanged(EventArgs)RadElement.ShouldPaintSystemSkin()RadElement.ComposeShouldPaintSystemSkin()RadElement.GetStylablePropertiesFilter()RadElement.ResetStyleSettings(bool)RadElement.ResetStyleSettings(bool, RadProperty)RadElement.ProcessBehaviors(RadPropertyChangedEventArgs)RadElement.AddBehavior(PropertyChangeBehavior)RadElement.GetBehaviors()RadElement.RemoveBehavior(PropertyChangeBehavior)RadElement.ClearBehaviors()RadElement.AddRangeBehavior(PropertyChangeBehaviorCollection)RadElement.SetThemeApplied(bool)RadElement.OnStyleChanged(RadPropertyChangedEventArgs)RadElement.UnapplyStyle()RadElement.RemoveRangeBehaviors(PropertyChangeBehaviorCollection)RadElement.RemoveBehaviors(PropertyChangeBehavior)RadElement.RemoveRangeRoutedEventBehaviors(RoutedEventBehaviorCollection)RadElement.GetThemeEffectiveType()RadElement.GetChildrenByType(Type)RadElement.GetChildrenByBaseType(Type)RadElement.FindAncestorByThemeEffectiveType(Type)RadElement.FindAncestor<T>()RadElement.IsAncestorOf(RadElement)RadElement.FindDescendant<T>()RadElement.FindDescendant(Predicate<RadElement>)RadElement.FindDescendant(Type)RadElement.EnumDescendants(TreeTraversalMode)RadElement.EnumDescendants(Predicate<RadElement>, TreeTraversalMode)RadElement.EnumDescendants(Filter, TreeTraversalMode)RadElement.GetDescendants(Predicate<RadElement>, TreeTraversalMode)RadElement.GetDescendants(Filter, TreeTraversalMode)RadElement.GetAncestors(Filter)RadElement.GetAncestors(Predicate<RadElement>)RadElement.RaiseRoutedEvent(RadElement, RoutedEventArgs)RadElement.RaiseTunnelEvent(RadElement, RoutedEventArgs)RadElement.RaiseBubbleEvent(RadElement, RoutedEventArgs)RadElement.OnTunnelEvent(RadElement, RoutedEventArgs)RadElement.OnBubbleEvent(RadElement, RoutedEventArgs)RadElement.IsEventInProcess(RaisedRoutedEvent)RadElement.RegisterRoutedEvent(string, Type)RadElement.GetRegisterRoutedEvent(string, Type)RadElement.GetRegisterRoutedEvent(string, string)RadElement.GetRegisterRoutedEvent(string)RadElement.OnChildrenChanged(RadElement, ItemsChangeOperation)RadElement.GetChildren(ChildrenListOptions)RadElement.SendToBack()RadElement.BringToFront()RadElement.IsChildOf(RadElement)RadElement.Focus()RadElement.Focus(bool)RadElement.SetFocusPropertySafe(bool)RadElement.KillFocus()RadElement.OnCLREventsRise(RoutedEventArgs)RadElement.OnMouseMove(MouseEventArgs)RadElement.OnMouseHover(EventArgs)RadElement.OnEnabledChanged(RadPropertyChangedEventArgs)RadElement.OnParentEnabledChanged(RadPropertyChangedEventArgs)RadElement.OnMouseDown(MouseEventArgs)RadElement.OnMouseUp(MouseEventArgs)RadElement.OnLostMouseCapture(MouseEventArgs)RadElement.OnClick(EventArgs)RadElement.OnDoubleClick(EventArgs)RadElement.OnMouseEnter(EventArgs)RadElement.OnMouseLeave(EventArgs)RadElement.PerformClick()RadElement.OnMouseWheel(MouseEventArgs)RadElement.DoMouseWheel(MouseEventArgs)RadElement.DoClick(EventArgs)RadElement.DoDoubleClick(EventArgs)RadElement.IsInputKey(InputKeyEventArgs)RadElement.MouseEventArgsFromControl(MouseEventArgs)RadElement.DoMouseDown(MouseEventArgs)RadElement.DoMouseUp(MouseEventArgs)RadElement.DoMouseMove(MouseEventArgs)RadElement.ShowScreenTip(ScreenTipNeededEventArgs)RadElement.HideScreenTip()RadElement.DoMouseHover(EventArgs)RadElement.OnShowScreenTip(ComponentInputBehavior)RadElement.RaiseClick(EventArgs)RadElement.RaiseDoubleClick(EventArgs)RadElement.RaiseMouseWheel(MouseEventArgs)RadElement.UpdateContainsFocus(bool)RadElement.DoMouseEnter(EventArgs)RadElement.DoMouseLeave(EventArgs)RadElement.GetValue(RadProperty)RadElement.AddStylePropertySetting(IPropertySetting)RadElement.SetValueCore(RadPropertyValue, object, object, ValueSource)RadElement.NotifyChildren(RadPropertyChangedEventArgs)RadElement.OnBoundsChanged(RadPropertyChangedEventArgs)RadElement.OnLocationChanged(RadPropertyChangedEventArgs)RadElement.OnDisplayPropertyChanged(RadPropertyChangedEventArgs)RadElement.OnPropertyChanged(RadPropertyChangedEventArgs)RadElement.CanRaisePropertyChangeNotifications(RadPropertyValue)RadElement.IsPropertyCancelable(RadPropertyMetadata)RadElement.OnParentPropertyChanged(RadPropertyChangedEventArgs)RadElement.ReplaceDefaultDescriptors(PropertyDescriptorCollection)RadElement.ToString()RadElement.DisposeManagedResources()RadElement.PerformDispose(bool)RadElement.DisposeChildren()RadElement.GetStylableChildrenHierarchy()RadElement.GetStylableChildren()RadElement.GetClientRectangle(SizeF)RadElement.GetBorderThickness(BorderPrimitive)RadElement.DpiScaleChanged(SizeF)RadElement.ElementStateRadElement.DesiredSizeRadElement.IsLayoutSuspendedRadElement.BoundingRectangleRadElement.ControlBoundingRectangleRadElement.BypassLayoutPoliciesRadElement.IsArrangeValidRadElement.IsMeasureValidRadElement.TreeLevelRadElement.TransformRadElement.TotalTransformRadElement.ShouldPaintUsingParentShapeRadElement.UseSystemSkinRadElement.CanHaveOwnStyleRadElement.PropagateStyleToChildrenRadElement.ThemeEffectiveTypeRadElement.ElementTreeRadElement.ChildrenRadElement.ChildrenHierarchyRadElement.ParentRadElement.RoutedEventBehaviorsRadElement.LayoutableChildrenCountRadElement.ContainsFocusRadElement.ShouldHandleMouseInputRadElement.NotifyParentOnMouseInputRadElement.IsAbleToRespondToMouseEventsRadElement.AutoSizeRadElement.BoundsRadElement.LocationRadElement.SizeRadElement.BorderThicknessRadElement.PaddingRadElement.MarginRadElement.AlignmentRadElement.AutoSizeModeRadElement.FitToSizeModeRadElement.EnabledRadElement.CanFocusRadElement.IsFocusedRadElement.IsMouseOverRadElement.IsMouseOverElementRadElement.IsMouseDownRadElement.ShouldPaintRadElement.VisibilityRadElement.IsElementVisibleRadElement.NameRadElement.ClassRadElement.ClipDrawingRadElement.ShapeRadElement.MinSizeRadElement.MaxSizeRadElement.ZIndexRadElement.RightToLeftRadElement.UseCompatibleTextRenderingRadElement.BackgroundShapeRadElement.BackgroundShapePaintModeRadElement.ContainsMouseRadElement.CaptureRadElement.ScaleTransformRadElement.AngleTransformRadElement.PositionOffsetRadElement.SerializePropertiesRadElement.SerializeElementRadElement.SerializeChildrenRadElement.RenderingMaxFramerateRadElement.IsThemeAppliedRadElement.ShouldApplyThemeRadElement.UseCenteredAngleTransformRadElement.TagRadElement.StretchHorizontallyRadElement.StretchVerticallyRadElement.ClickModeRadElement.DoubleClickEnabledRadElement.CaptureOnMouseDownRadElement.IsItemHoveredRadElement.StyleRadElement.ToolTipTextRadElement.AutoToolTipRadElement.ScreenTipRadElement.AutoNumberKeyTipRadElement.DpiScaleFactorRadElement.LayoutUpdatedRadElement.MouseHoverRadElement.MouseMoveRadElement.MouseDownRadElement.MouseUpRadElement.ClickRadElement.DoubleClickRadElement.MouseEnterRadElement.MouseWheelRadElement.EnabledChangedRadElement.MouseLeaveRadElement.ChildrenChangedRadElement.LostMouseCaptureRadObject.BindingContextPropertyRadObject.RadTypeRadObject.ClearPropertyStore()RadObject.SuspendPropertyNotifications()RadObject.ResumePropertyNotifications()RadObject.GetPropertyValue(RadProperty)RadObject.SetDefaultValueOverride(RadProperty, object)RadObject.SetValue(RadProperty, object)RadObject.ResetValue(RadProperty)RadObject.ResetLocalValue(RadProperty)RadObject.ResetValue(RadProperty, ValueResetFlags)RadObject.UpdateValue(RadProperty)RadObject.GetValueSource(RadProperty)RadObject.GetRegisteredRadProperty(string)RadObject.UpdateValueCore(RadPropertyValue)RadObject.ResetValueCore(RadPropertyValue, ValueResetFlags)RadObject.GetDefaultValue(RadPropertyValue, object)RadObject.CoerceValue(RadPropertyValue, object)RadObject.ShouldSerializeProperty(RadProperty)RadObject.BindProperty(RadProperty, RadObject, RadProperty, PropertyBindingOptions)RadObject.UnbindProperty(RadProperty)RadObject.GetInheritedValue(RadProperty)RadObject.OnPropertyChanging(RadPropertyChangingEventArgs)RadObject.OnNotifyPropertyChanged(string)RadObject.OnNotifyPropertyChanged(PropertyChangedEventArgs)RadObject.OnShouldSerializeProperty(ShouldSerializePropertyEventArgs)RadObject.PropertyValuesRadObject.PropertyFilterRadObject.RadObjectTypeRadObject.BindingContextRadObject.PropertyChangedRadObject.RadPropertyChangedRadObject.RadPropertyChangingDisposableObject.GetBitState(long)DisposableObject.SetBitState(long, bool)DisposableObject.OnBitStateChanged(long, bool, bool)DisposableObject.Dispose()DisposableObject.Dispose(bool)DisposableObject.DisposeUnmanagedResources()DisposableObject.BitStateDisposableObject.EventsDisposableObject.IsDisposingDisposableObject.IsDisposedDisposableObject.DisposedDisposableObject.Disposing...

Constructors

C#
public StackLayoutPanel()

Fields

C#
public static readonly RadProperty EqualChildrenHeightProperty
C#
public static readonly RadProperty EqualChildrenWidthProperty
C#
[Obsolete("The property is not relevant for this class.")]
public static RadProperty FlipMaxSizeDimensionsProperty
C#
public static RadProperty OrientationProperty
C#
public static RadProperty RowProperty

Properties

Gets or sets a value indicating whether the elements have equal height.

C#
public bool EqualChildrenHeight { get; set; }

Gets or sets a value indicating whether the elements have equal width.

C#
public bool EqualChildrenWidth { get; set; }

Notifies all children when same child changes. Effectively redraws all children in the panel.

C#
public override bool InvalidateChildrenOnChildChanged { get; }

Overrides: RadElement.InvalidateChildrenOnChildChanged

Gets or sets the elements orientation inside the stack layout. Possible values are horizontal and vertical.

C#
public Orientation Orientation { get; set; }

Methods

ArrangeOverride

C#
protected override SizeF ArrangeOverride(SizeF arrangeSize)
Parameters:arrangeSizeSizeFReturns:

SizeF

Overrides: RadElement.ArrangeOverride(SizeF)

Measures the space required by the RadElement

Used by the layout system.

C#
protected override SizeF MeasureOverride(SizeF constraint)
Parameters:constraintSizeFReturns:

SizeF

The minimum size required by the element to be completely visible. Cannot be infinity.

Overrides: RadElement.MeasureOverride(SizeF)

In this method call to the Measure method of each child must be made.