GoDiagram Web Reference
IndicatorKnob Class Members
Fields  Properties  Methods 


The following tables list the members exposed by IndicatorKnob.

Public Constructors
 NameDescription
Public ConstructorIndicatorKnob ConstructorCreate a knob with a black pointer.  
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Public Fields
 NameDescription
Public FieldChangedMarkerColorA GoObject.Changed subhint.  
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Public Properties
 NameDescription
Public PropertyActionEnabledGets or sets whether the user can adjust the indicators value. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertyAutoRescalesGets or sets whether this object automatically rescales its appearance when its size changes. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyBottomGets or sets this object's bottom coordinate. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyBoundsWhenever the size and/or position is changed, we clear out any cached data. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushGets or sets the brush used to fill the outline of this shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushColorGets or sets the main or background color of the brush. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushFocusScalesGets or sets the size of the focus area for path gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushForeColorGets or sets the foreground color of a brush. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushMidColorGets or sets the middle color of a gradient brush. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushMidFractionGets or sets the fractional distance between the end colors at which the middle color is drawn. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushPointGets or sets the end point for linear gradients or the focus point for path gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushStartPointGets or sets the start point for linear gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyBrushStyleGets or sets the kind of brush used by this shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyCopyableGets or sets whether the user can copy this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyDeletableGets or sets whether the user can delete this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyDocumentGets the document that this object belongs to, or null if this is not in a layer or if this is in a view layer. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyDraggingObjectGets the object that will be dragged instead of this selected object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyDragsNodeGets or sets whether this object, when selected and a child of a group, and when dragged, drags the parent node instead. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyEditableGets or sets whether the user can edit this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyHeightGets or sets this object's height. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyLayerGets the layer to which this object belongs. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyLeftGets or sets this object's left coordinate, the X position. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyLocationGets or sets this object's natural position. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyMarkerColorGets or sets the color of the arrow on the knob.  
Public PropertyMovableGets or sets whether the user can move this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyObserversGets an enumerator over the list of observer objects of this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyParentGets the parent group for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyPenGets or sets the pen used to draw the outline of this shape. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyPenColorGets or sets the color of the pen. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyPenWidthGets or sets the width of the pen. (Inherited from Northwoods.GoWeb.GoShape)
Public PropertyPrintableGets or sets whether the view can print this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyQuantizeBaseGets or sets the base value which is allowed when Quantized is true. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertyQuantizedGets or sets whether the indicator is forced to have discrete values. If true, Value is restricted to values that follow (value - QuantizeBase) mod QuantizeUnit = 0. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertyQuantizeUnitGets or Sets the difference between two consecutive allowed values when Quantized is true. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertyReshapableGets or sets whether the user can reshape this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyResizableGets or sets whether the user can resize this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyResizesRealtimeGets or sets whether this object continuously changes its size during a user resizing operation. [In Web Forms there is no continuous visual feedback of a resize.] (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyRightGets or sets this object's right coordinate. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyScaleGets or sets the scale with which the indicator is associated. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertySelectableGets or sets whether the user can select this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertySelectionObjectGets the object that gets selection handles when this object is selected. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyShadowedGets or sets whether this object is painted with a drop shadow. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyTopGets or sets this object's top coordinate, the Y position. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyValueGets or sets the value that will be indicated, relative to the associated IGraduatedScale. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public PropertyViewGets the view that this object belongs to, or null if this is not in a layer or if this is in a document layer. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyVisibleGets or sets whether the user can see this object. (Inherited from Northwoods.GoWeb.GoObject)
Public PropertyWidthGets or sets this object's width. (Inherited from Northwoods.GoWeb.GoObject)
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Public Methods
 NameDescription
Public MethodAddObserverRegister an object as an observer of changes to this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodAddSelectionHandlesAdd selection handles for this object for the given selection collection. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanCopyCalled to see if the user can copy this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanDeleteCalled to see if the user can delete this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanEditCalled to see if the user can edit this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanMoveCalled to see if the user can move this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanPrintCalled to see if the view can print this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanReshapeCalled to see if the user can reshape this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanResizeCalled to see if the user can resize this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanSelectCalled to see if the user can select this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCanViewCalled to see if the user can see this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodChangedNotify this object's document or view that some part of this object's state has been changed, via the Northwoods.GoWeb.GoDocument.Northwoods.GoWeb.GoDocument.Changed event and using the Northwoods.GoWeb.GoChangedEventArgs event args class. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodChangeValueOverridden. Perform undo/redo state changes.  
Public MethodChangingNotify this object's document or view that some part of this object's state is about to be changed. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodComputeMoveCalculate a new location for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodComputeResizeCalculate a new bounding rectangle for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodContainedByRectangleConsider the Pen width when determining if this shape is inside a rectangle. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodContainsPointConsider the Pen width when determining if a point is in this shape. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodCopyThis convenience method just makes a copy of the object itself, using a generic Northwoods.GoWeb.GoCopyDictionary. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCopyNewValueForRedoPreserve any mutable state needed to perform an Northwoods.GoWeb.IGoUndoableEdit.Redo. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCopyObjectMake sure the reference to the IGraduatedScale is maintained. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodCopyObjectDelayedFor objects that require a second pass to complete the copying, this method is called after the first pass of copying all of the objects in Northwoods.GoWeb.GoDocument.CopyFromCollection. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCopyOldValueForUndoPreserve any mutable state needed to perform an Northwoods.GoWeb.IGoUndoableEdit.Undo. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCreateBoundingHandleCreate a bounding handle for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCreateEditorCreate a GoControl that implements an editor for this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodCreateResizeHandleCreate a resize handle for this object, given a handle ID. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodDoBeginEditStart editing this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodDoEndEditStop editing this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodDoMoveCalled when a user moves this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodDoResizeCalled when a user resizes this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodExpandPaintBoundsThe expanded paint bounds for a shape includes any Pen width and miter limit and any drop shadow. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillDoubleEdgeOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a vertical linear gradient starting with the start color, with most of the center being Color.White, and ending with the starting color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillEllipseGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a gradient occupying this shape's Northwoods.GoWeb.GoObject.Bounds, with the color color along the four edges of the rectangle, surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillHalfGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, and having the last half of the gradient be the solid color color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillMiddleGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, having the middle with a color lighter than color, and ending with the starting color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillRectangleGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a gradient occupying this shape's Northwoods.GoWeb.GoObject.Bounds, with the color color along the four edges of the rectangle, surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillShadedGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, having the middle with a color lighter than color, and ending with a darker color than the color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillShapeFringeOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a path shaped gradient starting with the start color, with most of the center being Color.White. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillShapeGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a path shaped gradient with the color color surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillShapeHighlightOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a path shaped gradient that is mostly the start color, with a white "highlight". (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillSimpleGradientOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a simple vertical linear gradient using the given color. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodFillSingleEdgeOverloaded. Set the Northwoods.GoWeb.GoShape.Brush to be a vertical linear gradient starting with the start color, with most of the center being Color.White. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodGetContextMenuCalled to get a Northwoods.GoWeb.GoContextMenu to display for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetCursorNameCalled when rendering the view to determine the cursor, if any, to display over this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetNearestIntersectionPointConsider the Pen width in determining the closest point of this object that intersects the given line. (Inherited from Northwoods.GoWeb.GoShape)
Public MethodGetPartInfoReturn a Northwoods.GoWeb.GoPartInfo that describes this object and that can be transmitted to the client (user agent) as JavaScript data structures that can be used by code running on the client. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetRectangleSpotLocationGet the position of a spot in a rectangle. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetShadowBrushGet a Brush for painting a drop shadow in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetShadowOffsetGets the size of a drop shadow for this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetShadowPenGet a Pen for painting a drop shadow in the given view. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetSpotLocationGet the position of a spot on this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetToolTipCalled to get a String to display as a tooltip for this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodGetValueForPointThis method is called by OnActionAdjusted and OnAction to determine the appropriate scale value given the current mouse point. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodInvalidateViewsCause all views to repaint this object when they get a chance. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodIsChildOfDetermines if this object is a child, perhaps indirectly, of the given object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodMakePathMake sure that whenever we reconstruct the main GraphicsPath for this shape, we call ComputePath. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnActionThis method is called by Northwoods.GoWeb.GoToolAction when the mouse is released, to set the Value according to the current input point, within a transaction. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnActionActivatedThis method saves the original value when the indicator is starting to be manipulated by the user. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnActionAdjustedThis method is called by Northwoods.GoWeb.GoToolAction as the user is adjusting the object, normally by a mouse drag. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnActionCancelledThis method is called by Northwoods.GoWeb.GoToolAction when the tool is being cancelled. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnContextClickCalled when the user context clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnDoubleClickCalled when the user double clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnEnterLeaveCalled when the document object immediately under the mouse changes after a drag. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnGotSelectionCalled when this object becomes selected. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnHoverCalled when the user hovers over this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnLostSelectionCalled when this object becomes unselected. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnMouseOverChange the cursor to Cursors.Hand if the user can modify the value of this indicator interactively. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodOnSelectionDroppedCalled after the user has dropped the selection on this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnSelectionDropRejectCalled during a user's drag of the view's Selection when the mouse is over this object, to give this object a chance to veto a drop. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodOnSingleClickCalled when the user single clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodPaintOverridden. Draw both the ellipses and the triangular pointer computed as the path.  
Public MethodPickReturn an object at a point, perhaps only a selectable one. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodQuantizeValueA function used to ensure valid values within the quantized value system. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
Public MethodRemoveThis convenience method just removes this object from its container, if there is any. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodRemoveObserverMake sure an object is not an observer of changes to this object. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodRemoveSelectionHandlesRemove all selection handles for this object for the given selection collection. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodSetRectangleSpotLocationModify a rectangle such that its new spot location is at a given point. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodSetSizeKeepingLocationSets a new size for this object while maintaining the same location. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodSetSpotLocationOverloaded. Move this object so this object's given spot is at the given location. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodSpotOppositeGet the spot that is on the opposite side of a given spot. (Inherited from Northwoods.GoWeb.GoObject)
Public MethodValidValueA function used to check the validity of the given value. (Inherited from Northwoods.GoWeb.Instruments.Indicator)
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Protected Methods
 NameDescription
Protected MethodComputeBoundsRecalculates the actual bounding rectangle for this object when it might be invalid. (Inherited from Northwoods.GoWeb.GoObject)
Protected MethodComputePathOverridden. The path includes the triangular pointer.  
Protected MethodGetPathGets a cached GraphicsPath produced by a call to Northwoods.GoWeb.GoShape.MakePath. (Inherited from Northwoods.GoWeb.GoShape)
Protected MethodOnBoundsChangedCalled after this object's bounds has changed. (Inherited from Northwoods.GoWeb.GoObject)
Protected MethodOnLayerChangedCalled when this object's layer is changed. (Inherited from Northwoods.GoWeb.GoObject)
Protected MethodOnObservedChangedCalled when an observed object has been changed. (Inherited from Northwoods.GoWeb.GoObject)
Protected MethodOnParentChangedCalled when this object's parent is changed. (Inherited from Northwoods.GoWeb.GoObject)
Protected MethodResetPathClear any cached GraphicsPath. (Inherited from Northwoods.GoWeb.GoShape)
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See Also

Reference

IndicatorKnob Class
Northwoods.GoWeb.Instruments Namespace

 

 


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