Sign in Join
FPDoc Onlineexperiment

TShape class

In unit ExtCtrls

Implements a shaped control with an arbitrary geometric shape.

Declaration

pascal
TShape = class(TCustomShape)

Inheritance

  1. TShape
  2. TCustomShape
  3. TGraphicControl
  4. TControl
  5. TLCLComponent
  6. TComponent

Description

TShape is a TCustomShape descendant used to draw the control with an arbitrary geometric shape. The Shape property determines which geometric shape is displayed, and can be one of a series of standard shapes defined in the TShapeType enumeration. The Brush and Pen properties control the fill and line attributes for the shaped control.

See also

Properties

AlignpublishedSpecifies the placement of the control on its Parent control.
AnchorspublishedThe set of anchor definitions for this control.
BorderSpacingpublishedDetermines the inner and outer border spacing for this control.
BrushpublishedThe Brush used to fill the shaped control.
ConstraintspublishedContains the minimum and maximum Width and Height for the control.
DragCursorpublishedThe cursor shape shown during a drag operation.
DragKindpublishedIndicates the action performed for a drag operation: drag-and-drop or drag-and-dock.
DragModepublishedDetermines how a drag operation is started for the control.
EnabledpublishedDetermines whether the control responds to mouse or keyboard input.
ParentShowHintpublishedIf True, the value of ShowHint for the control will be the same as the one from the Parent. Default is True.
PenpublishedThe Pen used to draw lines on the shaped control.
ShapepublishedIndicates the geometric shape drawn on the shaped control.
ShowHintpublishedEnables Hint display for the control.
VisiblepublishedAllows the control, and all of its children, to be displayed or hidden.

Events

OnChangeBoundspublishedEvent handler signalled when the Bounds for the control have been changed.
OnClickpublishedNotification handler for mouse clicks.
OnDragDroppublishedEvent handler signalled when an object is dropped onto the control.
OnDragOverpublishedEvent handler signalled when a control is dragged over the control instance.
OnEndDockpublishedEvent handler signalled for the end of a drag-dock operation.
OnEndDragpublishedEvent handler signalled for the end of a drag-drop operation.
OnMouseDownpublishedEvent handler signalled when a mouse down event is handled for the control.
OnMouseEnterpublishedEvent handler signalled when the mouse pointer has entered the control.
OnMouseLeavepublishedEvent handler signalled when the mouse pointer has left the control.
OnMouseMovepublishedEvent handler signalled when the mouse pointer is moved in the control.
OnMouseUppublishedEvent handler signalled when a mouse up event is handled for the control.
OnMouseWheelpublishedEvent handler for mouse wheel turned.
OnMouseWheelDownpublishedEvent handler signalled for a downward movement of the mouse wheel.
OnMouseWheelUppublishedEvent handler signalled for an upward movement of the mouse wheel.
OnMouseWheelHorzpublishedEvent handler signalled for a horizontal movement of the mouse wheel.
OnMouseWheelLeftpublishedEvent handler signalled for a leftward movement of the mouse wheel.
OnMouseWheelRightpublishedEvent handler signalled for a rightward movement of the mouse wheel.
OnPaintpublishedEvent handler signalled to paint the control.
OnResizepublishedNotification handler for a resize of the control.
OnStartDockpublishedEvent handler for the start of a docking operation.
OnStartDragpublishedEvent handler signalled for the start of a dragging operation.
OnShapeClickpublishedEvent handler signalled for a mouse click within the shaped control.
OnShapePointspublishedEvent handler signalled to get a custom vertices for the shape drawn on the control.

Inherited

From TCustomShape (13)

Click CMShapeHitTest Create Destroy DrawToCanvas GetControlClassDefaultSize Paint PtInShape RoundRectHorizontalRadius RoundRectVerticalRadius StyleChanged UpdateMask WSRegisterClass

From TGraphicControl (5)

Canvas CMCursorChanged DoOnChangeBounds DoOnParentHandleDestruction FontChanged

From TControl (378)

AccessibleDescription AccessibleName AccessibleRole AccessibleValue Action ActionChange ActionLink ActiveDefaultControlChanged AddHandler AddHandlerOnBeforeDestruction AddHandlerOnChangeBounds AddHandlerOnEnabledChanged AddHandlerOnEnabledChanging AddHandlerOnKeyDown AddHandlerOnMouseWheel AddHandlerOnResize AddHandlerOnVisibleChanged AddHandlerOnVisibleChanging AdjustSize AnchorAsAlign AnchorClient AnchoredControlCount AnchoredControls AnchorHorizontalCenterTo AnchorParallel AnchorSame AnchorSide AnchorSideBottom AnchorSideChanged AnchorSideLeft AnchorSideRight AnchorSideTop AnchorToCompanion AnchorToNeighbour AnchorVerticalCenterTo AssignTo AutoAdjustLayout AutoSize AutoSizeDelayed AutoSizeDelayedHandle AutoSizeDelayedReport AutoSizePhases AutoSizing AutoSizingAll AutoSizingLockCount BaseBounds BaseParentClientSize BeforeDestruction BeforeDragStart BeginAutoDrag BeginAutoSizing BeginDrag BiDiMode BoundsChanged BoundsRect BoundsRectForNewParent BringToFront CalculateDockSizes CalculatePreferredSize CanAutoSize CanTab Caption CaptureChanged CaptureMouseButtons ChangeBounds Changed ChangeScale CheckChildClassAllowed CheckNewParent CheckOnChangeBounds ChildClassAllowed ClientHeight ClientOrigin ClientRect ClientToParent ClientToScreen ClientWidth CMBiDiModeChanged CMChanged CMEnabledChanged CMHintShow CMHitTest CMMouseEnter CMMouseLeave CMParentBiDiModeChanged CMParentColorChanged CMParentFontChanged CMParentShowHintChanged CMSysFontChanged CMTextChanged CMVisibleChanged CNPreferredSizeChanged Color ColorIsStored ConstrainedResize ControlFontClass ControlOrigin ControlState ControlStyle ControlToScreen CreateAccessibleObject CreateControlBorderSpacing CreateFloatingDockSite Cursor DblClick DefineProperties DesktopFont DialogChar DisableAutoSizing DoAllAutoSize DoAutoAdjustLayout DoAutoSize DoBorderSpacingChange DoCallKeyEventHandler DoCallMouseWheelEventHandler DoCallNotifyHandler Dock Docked DockOrientation DockTrackNoTarget DoConstraintsChange DoContextPopup DoDock DoDragMsg DoEndDock DoEndDrag DoFixDesignFontPPI DoFloatMsg DoMouseDown DoMouseUp DoMouseWheel DoMouseWheelDown DoMouseWheelHorz DoMouseWheelLeft DoMouseWheelRight DoMouseWheelUp DoOnResize DoOnShowHint DoScaleFontPPI DoSetBounds DoStartDock DoStartDrag DragCanceled DragDrop Dragging DragOver EditingDone EnableAutoSizing EnabledChanged EnabledChanging EndAutoSizing EndDrag ExecuteCancelAction ExecuteDefaultAction FindSubComponent FixDesignFontsPPI Floating FloatingDockSiteClass Font ForeignAnchorSideChanged FormEndUpdated FormIsUpdating GetAccessibleObject GetAction GetActionLinkClass GetAnchorsDependingOnParent GetCachedText GetCanvasScaleFactor GetChildAccessibleObjectAtPos GetChildrenRect GetClientOrigin GetClientRect GetClientScrollOffset GetColorResolvingParent GetControlOrigin GetCursor GetDefaultColor GetDefaultDockCaption GetDefaultHeight GetDefaultWidth GetDeviceContext GetDockEdge GetDragImages GetEnabled GetFloating GetFloatingDockSiteClass GetLogicalClientRect GetMouseCapture GetMousePosFromMessage GetPalette GetParentBackground GetParentComponent GetPopupMenu GetPreferredSize GetRGBColorResolvingParent GetScrolledClientRect GetSelectedChildAccessibleObject GetSidePosition GetTextBuf GetTextLen GetTopParent HandleObjectShouldBeVisible HasHelp HasParent Height HeightIsAnchored HelpContext HelpKeyword HelpType Hide Hint HostDockSite InitiateAction Invalidate InvalidateControl InvalidatePreferredSize IsAParentAligning IsBorderSpacingInnerBorderStored IsCaptionStored IsClientHeightStored IsClientWidthStored IsControl IsControlVisible IsEnabled IsParentColor IsParentFont IsParentOf IsProcessingPaintMsg IsRightToLeft IsVisible Left LMCaptureChanged Loaded LoadedAll LRDockWidth ManualDock ManualFloat MouseCapture MouseDown MouseEnter MouseInClient MouseLeave MouseMove MouseUp Notification OnConstrainedResize OnContextPopup OnDblClick OnEditingDone OnQuadClick OnShowHint OnTripleClick Parent ParentBackground ParentBiDiMode ParentColor ParentDestroyingHandle ParentFont ParentFontChanged ParentFormHandleInitialized ParentHandlesAllocated ParentToClient Perform PopupMenu PositionDockRect QuadClick ReadBounds ReadState RealGetText RealSetText Refresh RemoveAllHandlersOfObject RemoveHandler RemoveHandlerOnBeforeDestruction RemoveHandlerOnChangeBounds RemoveHandlerOnEnabledChanged RemoveHandlerOnEnabledChanging RemoveHandlerOnKeyDown RemoveHandlerOnMouseWheel RemoveHandlerOnResize RemoveHandlerOnVisibleChanged RemoveHandlerOnVisibleChanging Repaint ReplaceDockedControl RequestAlign Resize Scale96ToFont Scale96ToForm Scale96ToScreen ScaleConstraints ScaleDesignToForm ScaleFontsPPI ScaleFontTo96 ScaleFontToScreen ScaleFormTo96 ScaleFormToDesign ScaleScreenTo96 ScaleScreenToFont ScreenToClient ScreenToControl SendMoveSizeMessages SendToBack SessionProperties SetAction SetAlign SetAnchors SetAutoSize SetBiDiMode SetBounds SetBoundsKeepBase SetColor SetCursor SetDragMode SetEnabled SetHint SetInitialBounds SetName SetParent SetParentBackground SetParentBiDiMode SetParentComponent SetTempCursor SetTextBuf SetVisible SetZOrder ShouldAutoAdjust Show ShowHelp TBDockHeight Text TextChanged Top TripleClick UndockHeight UndockWidth Update UpdateAnchorRules UpdateBaseBounds UpdateMouseCursor UpdateRolesForForm UseRightToLeftAlignment UseRightToLeftReading UseRightToLeftScrollBar VisibleChanged VisibleChanging Width WidthIsAnchored WindowProc WMCancelMode WMContextMenu WMLButtonDBLCLK WMLButtonDown WMLButtonQuadCLK WMLButtonTripleCLK WMLButtonUp WMMButtonDBLCLK WMMButtonDown WMMButtonQuadCLK WMMButtonTripleCLK WMMButtonUp WMMouseHWheel WMMouseMove WMMouseWheel WMMove WMRButtonDBLCLK WMRButtonDown WMRButtonQuadCLK WMRButtonTripleCLK WMRButtonUp WMSize WMWindowPosChanged WMXButtonDBLCLK WMXButtonDown WMXButtonQuadCLK WMXButtonTripleCLK WMXButtonUp WndProc WriteLayoutDebugReport

From TLCLComponent (6)

DecLCLRefCount GetWSComponentClass IncLCLRefCount LCLRefCount NewInstance WidgetSetClass

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.