PSelectionEventHandler overview
Public Static Fields
  SELECTION_CHANGED_NOTIFICATION | The name for a selection changed notificaton. |
Public Instance Constructors
 PSelectionEventHandler | Overloaded. Initializes a new instance of the PSelectionEventHandler class. |
Public Instance Fields
| AcceptsEvent (inherited from PBasicInputEventHandler) | Used to add a filter to this event handler class. |
| Click (inherited from PBasicInputEventHandler) | Used to handle Click events sent to this event handler class. |
| DoubleClick (inherited from PBasicInputEventHandler) | Used to handle DoubleClick events sent to this event handler class. |
| Drag (inherited from PDragSequenceEventHandler) | Used to notify classes of drag events in a drag sequence. |
| DragActivityFinalStep (inherited from PDragSequenceEventHandler) | Used to notify classes that the drag activity has stopped stepping. |
| DragActivityFirstStep (inherited from PDragSequenceEventHandler) | Used to notify classes that the drag activity has started stepping. |
| DragActivityStep (inherited from PDragSequenceEventHandler) | Used to notify classes that the drag activity is stepping. |
| DragDrop (inherited from PBasicInputEventHandler) | Used to handle DragDrop events sent to this event handler class. |
| DragEnter (inherited from PBasicInputEventHandler) | Used to handle DragEnter events sent to this event handler class. |
| DragLeave (inherited from PBasicInputEventHandler) | Used to handle DragLeave events sent to this event handler class. |
| DragOver (inherited from PBasicInputEventHandler) | Used to handle DragOver events sent to this event handler class. |
| EndDrag (inherited from PDragSequenceEventHandler) | Used to notify classes of the end of a drag sequence. |
| GotFocus (inherited from PBasicInputEventHandler) | Used to handle GotFocus events sent to this event handler class. |
| KeyDown (inherited from PBasicInputEventHandler) | Used to handle KeyDown events sent to this event handler class. |
| KeyPress (inherited from PBasicInputEventHandler) | Used to handle KeyPress events sent to this event handler class. |
| KeyUp (inherited from PBasicInputEventHandler) | Used to handle KeyUp events sent to this event handler class. |
| LostFocus (inherited from PBasicInputEventHandler) | Used to handle LostFocus events sent to this event handler class. |
| MouseDown (inherited from PBasicInputEventHandler) | Used to handle MouseDown events sent to this event handler class. |
| MouseDrag (inherited from PBasicInputEventHandler) | Used to handle MouseDrag events sent to this event handler class. |
| MouseEnter (inherited from PBasicInputEventHandler) | Used to handle MouseEnter events sent to this event handler class. |
| MouseLeave (inherited from PBasicInputEventHandler) | Used to handle MouseLeave events sent to this event handler class. |
| MouseMove (inherited from PBasicInputEventHandler) | Used to handle MouseMove sent to this event handler class. |
| MouseUp (inherited from PBasicInputEventHandler) | Used to handle MouseUp events sent to this event handler class. |
| MouseWheel (inherited from PBasicInputEventHandler) | Used to handle MouseWheel events sent to this event handler class. |
| StartDrag (inherited from PDragSequenceEventHandler) | Used to notify classes of the start of a new drag sequence. |
Public Instance Properties
 DeleteKeyActive | Gets or sets a value that indicates whether or not the Delete key should delete the selection. |
| DragActivity (inherited from PDragSequenceEventHandler) | Gets the drag activity. |
| DragActivityStepInterval (inherited from PDragSequenceEventHandler) | Gets the minimum number of milliseconds that the drag activity associated with this listener should delay between steps. |
| Dragging (inherited from PDragSequenceEventHandler) | Gets or sets a value indicating whether the a drag sequence is in progress. |
| MarqueeBrush | Gets or sets the brush used to fill the interior of the marquee. |
| MinDragStartDistance (inherited from PDragSequenceEventHandler) | Gets or sets the minimum distance (in screen coordinates) the mouse must move before a drag sequence is initiated. |
| MousePressedCanvasPoint (inherited from PDragSequenceEventHandler) | Gets or sets the point in canvas coordinates where the mouse was last pressed. |
| SelectableParent | Clears the list of selectable parents and sets the given node as the only selectable parent. |
| SelectableParents | Gets or sets the list of selectable parents. |
| Selection | Gets a copy of the currently selected nodes. |
| SelectionReference | Gets a reference to the currently selected nodes. You should not modify or store this collection. |
Public Instance Methods
| ActivityFinished (inherited from PDragSequenceEventHandler) | Called when the drag activity stops running. |
| ActivityStarted (inherited from PDragSequenceEventHandler) | Called when the drag activity starts running. |
| ActivityStepped (inherited from PDragSequenceEventHandler) | Called when the drag activity is running. |
| AddSelectableParent | Adds the specified node to the list of selectable parents. |
| DecorateSelectedNode | Adds bounds handles to the given node. |
| DoesAcceptEvent (inherited from PBasicInputEventHandler) | Returns true if the filter accepts the given event and false otherwise. |
| Equals (inherited from Object) | Determines whether the specified Object is equal to the current Object. |
| GetHashCode (inherited from Object) | Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table. |
| GetType (inherited from Object) | Gets the Type of the current instance. |
| IsMarqueeSelection | Returns a value indicating whether the event represents a marquee selection or a normal selection. |
| IsOptionSelection | Returns a value indicating whether or not the input event was modified with a Shift key, in which case multiple selections will be allowed. |
| IsSelected | Returns true if the specified node is currently selected and false otherwise. |
| OnClick (inherited from PBasicInputEventHandler) | Called when a Click event is sent to this listener. |
| OnDoubleClick (inherited from PBasicInputEventHandler) | Called when a DoubleClick event is sent to this listener. |
| OnDragDrop (inherited from PBasicInputEventHandler) | Called when a DragDrop event is sent to this listener. |
| OnDragEnter (inherited from PBasicInputEventHandler) | Called when a DragEnter event is sent to this listener. |
| OnDragLeave (inherited from PBasicInputEventHandler) | Called when a DragLeave event is sent to this listener. |
| OnDragOver (inherited from PBasicInputEventHandler) | Called when a DragOver event is sent to this listener. |
| OnGotFocus (inherited from PBasicInputEventHandler) | Called when a GotFocus event is sent to this listener. |
| OnKeyDown | Overridden. Deletes selection when delete key is pressed (if enabled). |
| OnKeyPress (inherited from PBasicInputEventHandler) | Called when a KeyPress event is sent to this listener. |
| OnKeyUp (inherited from PBasicInputEventHandler) | Called when a KeyUp event is sent to this listener. |
| OnLostFocus (inherited from PBasicInputEventHandler) | Called when a LostFocus event is sent to this listener. |
| OnMouseDown (inherited from PDragSequenceEventHandler) | Overridden. See PBasicInputEventHandler.OnMouseDown. |
| OnMouseDrag (inherited from PDragSequenceEventHandler) | Overridden. See PBasicInputEventHandler.OnMouseDrag. |
| OnMouseEnter (inherited from PBasicInputEventHandler) | Called when a MouseEnter event is sent to this listener. |
| OnMouseLeave (inherited from PBasicInputEventHandler) | Called when a MouseLeave event is sent to this listener. |
| OnMouseMove (inherited from PBasicInputEventHandler) | Called when a MouseMove event is sent to this listener. |
| OnMouseUp (inherited from PDragSequenceEventHandler) | Overridden. See PBasicInputEventHandler.OnMouseUp. |
| OnMouseWheel (inherited from PBasicInputEventHandler) | Called when a MouseWheel event is sent to this listener. |
| RemoveSelectableParent | Removes the specified node from the list of selectable parents. |
| Select | Overloaded. Selects the given node, if it is not already selected, and posts a SELECTION_CHANGED_NOTIFICATION if the current selection has changed. |
| ToString (inherited from PBasicInputEventHandler) | Overridden. Returns a string representation of this object for debugging purposes. |
| UndecorateSelectedNode | Removes bounds handles from the given node. |
| Unselect | Overloaded. Unselects the given node, if it is currently selected, and posts a SELECTION_CHANGED_NOTIFICATION if the current selection has changed. |
| UnselectAll | Unselects all the nodes that are currently selected, and posts a SELECTION_CHANGED_NOTIFICATION if the current selection has changed. |
Protected Instance Properties
 MarqueeBounds | Gets the bounds of the marquee, if the marquee exists. |
| ParamString (inherited from PDragSequenceEventHandler) | Returns a string representing the state of this object. |
Protected Instance Methods
 ComputeMarqueeSelection | Select the selectable nodes whose bounds intersect the marquee, unselecting previously selected nodes. |
| ComputeOptionMarqueeSelection | Select the selectable nodes whose bounds intersect the marquee, without unselecting previously selected nodes. |
| CreateNodeFilter | Creates a new PSelectionEventHandler.BoundsFilter with the given bounds. |
| DragStandardSelection | Drags the nodes in a standard selection. |
| EndMarqueeSelection | Ends a marquee selection sequence. |
| EndStandardSelection | Ends a standard selection sequence. |
| Finalize (inherited from Object) | Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. |
| Init | Called by the constructors to perform some common initialization tasks. |
| InitializeMarquee | Sets some initial values for the marquee including it's brush and pen. |
| InitializeSelection | Sets the initial press point and press node for the selection. |
| InternalSelect | Selects the given node, if it is not already selected. |
| InternalUnselect | Unselects the given node, if it is currently selected. |
| IsSelectable | Determines if the specified node is selectable (i.e., if it is a child of a node in the list of selectable parents). |
| MemberwiseClone (inherited from Object) | Creates a shallow copy of the current Object. |
| OnDrag | Overridden. See PDragSequenceEventHandler.OnDrag. |
| OnDragActivityFinalStep (inherited from PDragSequenceEventHandler) | Override this method to get notified when the drag activity stops stepping. |
| OnDragActivityFirstStep (inherited from PDragSequenceEventHandler) | Override this method to get notified when the drag activity is stepping. |
| OnDragActivityStep | Overridden. This gets called continuously during the drag, and is used to animate the marquee. |
| OnEndDrag | Overridden. See PDragSequenceEventHandler.OnEndDrag. |
| OnStartDrag | Overridden. See PDragSequenceEventHandler.OnStartDrag. |
| PBasicInputEventHandlerAcceptsEvent (inherited from PBasicInputEventHandler) | The filter for a PBasicInputEventHandler. This method only rejects an event if it has already been marked as handled. |
| Select | Overloaded. Selects each node used as a key in the dictionary, if the node is not already selected. |
| SetSafeMarqueePen | When the width and the height are too small to render the path using the current pen, this method sets the marquee to a pen that can render the path safely. |
| ShouldStartDragInteraction (inherited from PDragSequenceEventHandler) | Returns true if a drag sequence should be initiated. |
| StartDragActivity (inherited from PDragSequenceEventHandler) | Schedules the drag activity to run. |
| StartMarqueeSelection | Starts a marquee selection sequence. |
| StartOptionMarqueeSelection | Starts an option marquee selection sequence (i.e. a marquee selection sequence where the Shift key was pressed). |
| StartStandardOptionSelection | Starts an option selection sequence (i.e. a selection sequence where the Shift key was pressed). |
| StartStandardSelection | Starts a standard selection sequence. |
| Unselect | Overloaded. Unselects each node in the collection, if the node is currently selected. |
| UpdateMarquee | Update the marquee bounds based on the given event data. |
See Also
PSelectionEventHandler Class | UMD.HCIL.PiccoloX.Events Namespace