API Reference > imodeljs-frontend > Tools > BeButtonEvent BeButtonEvent Class Object sent to Tools that holds information about button/touch/wheel events. Extended by BeTouchEvent BeWheelEvent Implements BeButtonEventProps Methods Name Description constructor(props?: BeButtonEventProps): BeButtonEvent clone(): this Make a copy of this BeButtonEvent. init(props: BeButtonEventProps): void Initialize the values of this BeButtonEvent. invalidate(): void Mark this BeButtonEvent as invalid. setFrom(src: BeButtonEvent): this Copy the values from another BeButtonEvent into this BeButtonEvent Properties Name Type Description button BeButton The mouse button that created this event. coordsFrom CoordSource How the coordinate values were generated (either from an action by the user or from a program.) inputSource InputSource Whether this event came from a pointing device (e.g. isAltKey Accessor ReadOnly boolean Determine whether the alt key was pressed isControlKey Accessor ReadOnly boolean Determine whether the control key was pressed isDoubleClick boolean If true, this is the second down in a rapid double-click of the same button. isDown boolean If true, this event was generated from a mouse-down transition, false from a button-up transition. isDragging boolean If true, this event was created by pressing, holding, and then moving a mouse button. isShiftKey Accessor ReadOnly boolean Determine whether the shift key was pressed isValid Accessor ReadOnly boolean Determine whether this BeButtonEvent has valid data. keyModifiers BeModifierKeys The keyboard modifiers that were pressed when the event was generated. point Accessor Point3d The point for this event, in world coordinates. rawPoint Accessor Point3d The raw (unadjusted) point for this event, in world coordinates. viewPoint Accessor Point3d The point, in screen coordinates for this event. viewport undefined | ScreenViewport The ScreenViewport from which this BeButtonEvent was generated. Defined in core/frontend/src/tools/Tool.ts Line 128 Last Updated: 13 June, 2024