private void RaiseDragEvents(InputDeltaArgs args)
{
DragEventArgs e = new DragEventArgs(args);
if (args.DeltaTranslation.X != 0 && _dragLock == DragLock.Horizontal)
{
RaiseHorizontalDrag(e);
}
else if (args.DeltaTranslation.Y != 0 && _dragLock == DragLock.Vertical)
{
RaiseVerticalDrag(e);
}
}
protected void NotifyUp(InputCompletedArgs args)
{
EventArgs e = EventArgs.Empty;
_dragLock = DragLock.Unset;
_dragging = false;
if (args.IsInertial)
{
double angle = GestureHelper.AngleFromVector(args.FinalLinearVelocity.X, args.FinalLinearVelocity.Y);
if (angle <= 45 || angle >= 315)
{
angle = 0;
}
else if (angle >= 135 && angle <= 225)
{
angle = 180;
}
FlickEventArgs flickEventArgs = new FlickEventArgs
{
Angle = angle
};
ReleaseMouseCaptureAtGestureOrigin();
RaiseFlick(flickEventArgs);
}
else if (args.TotalTranslation.X != 0 || args.TotalTranslation.Y != 0)
{
DragEventArgs dragEventArgs = new DragEventArgs
{
CumulativeDistance = args.TotalTranslation
};
dragEventArgs.MarkAsFinalTouchManipulation();
e = dragEventArgs;
}
RaiseGestureEnd(e);
}
private void RaiseVerticalDrag(DragEventArgs args)
{
SafeRaise.Raise <DragEventArgs>(VerticalDrag, this, args);
}
private void RaiseHorizontalDrag(DragEventArgs args)
{
SafeRaise.Raise <DragEventArgs>(HorizontalDrag, this, args);
}
