C# Класс UMD.HCIL.Piccolo.Event.PZoomEventHandler

ZoomEventhandler provides event handlers for basic zooming of the canvas view with the right (third) button.
Tthe initial mouse press defines the zoom anchor point, and then moving the mouse to the right zooms with a speed proportional to the amount the mouse is moved to the right of the anchor point. Similarly, if the mouse is moved to the left, the the view is zoomed out.
Наследование: PDragSequenceEventHandler
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Открытые методы

Метод Описание
PZoomEventHandler ( ) : System

Constructs a new PZoomEventHandler.

Защищенные методы

Метод Описание
OnDragActivityFirstStep ( object sender, PInputEventArgs e ) : void

Overridden. See PDragSequenceEventHandler.OnDragActivityFirstStep.
OnDragActivityStep ( object sender, PInputEventArgs e ) : void

Overridden. See PDragSequenceEventHandler.OnDragActivityStep.
PZoomEventHandlerAcceptsEvent ( PInputEventArgs e ) : bool

The filter for a PZoomEventHandler. This method only accepts right mouse button events that have not yet been handled.

Описание методов

OnDragActivityFirstStep() защищенный Метод

Overridden. See PDragSequenceEventHandler.OnDragActivityFirstStep.
protected OnDragActivityFirstStep ( object sender, PInputEventArgs e ) : void
sender object
e PInputEventArgs
Результат void

OnDragActivityStep() защищенный Метод

Overridden. See PDragSequenceEventHandler.OnDragActivityStep.
protected OnDragActivityStep ( object sender, PInputEventArgs e ) : void
sender object
e PInputEventArgs
Результат void

PZoomEventHandler() публичный Метод

Constructs a new PZoomEventHandler.
public PZoomEventHandler ( ) : System
Результат System

PZoomEventHandlerAcceptsEvent() защищенный Метод

The filter for a PZoomEventHandler. This method only accepts right mouse button events that have not yet been handled.
protected PZoomEventHandlerAcceptsEvent ( PInputEventArgs e ) : bool
e PInputEventArgs A PInputEventArgs that contains the event data.
Результат bool