public override void addScrollPointer(PointerScrollEvent evt)
{
this.startTrackingScrollerPointer(evt.pointer);
if (this._state == _DragState.ready)
{
this._state = _DragState.possible;
this._initialPosition = evt.position;
if (this.onStart != null)
{
this.invokeCallback <object>("onStart", () => {
this.onStart(new DragStartDetails(
sourceTimeStamp: evt.timeStamp,
globalPosition: this._initialPosition
));
return(null);
});
}
}
}
public override void addScrollPointer(PointerScrollEvent evt)
{
startTrackingScrollerPointer(evt.pointer);
if (_state == _DragState.ready)
{
_state = _DragState.possible;
_initialPosition = new OffsetPair(global: evt.position, local: evt.localPosition);
if (onStart != null)
{
invokeCallback <object>("onStart", () => {
onStart(new DragStartDetails(
sourceTimeStamp: evt.timeStamp,
globalPosition: _initialPosition.global,
localPosition: _initialPosition.local
));
return(null);
});
}
}
}
public virtual void addScrollPointer(PointerScrollEvent evt)
{
}