private void SetZoomSpeed(int zoomSpeed)
{
if (zoomSpeed == ZoomSpeed)
{
return;
}
bool?zoomDirection = zoomSpeed == 0 ? default(bool?) : zoomSpeed > 0;
controller?.ContinuousZoom(zoomDirection, AbsSpeed(zoomSpeed), default);
ZoomSpeed = zoomSpeed;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(ZoomSpeed)));
}
private void ContinuousZoomIn(object sender, MouseButtonEventArgs e) => controller?.ContinuousZoom(true, (byte)zoomSpeed.Value, default);