protected virtual void OnKeyboardStartZoom(KeyRoutedEventArgs e)
{
var f = IsCtrlKeyPressed() ? 0.25f : 1;
switch (e.Key)
{
case VirtualKey.PageUp:
OnAddZoomForce?.Invoke(Viewport, new AddForceEventArgs(new Vector2(-0.1f * f * (float)Viewport.PageUpDownZoomSensitivity, 0)));
e.Handled = true;
break;
case VirtualKey.PageDown:
OnAddZoomForce?.Invoke(Viewport, new AddForceEventArgs(new Vector2(0.1f * f * (float)Viewport.PageUpDownZoomSensitivity, 0)));
e.Handled = true;
break;
case VirtualKey.Back:
OnRestoreCameraSettings?.Invoke(Viewport, EventArgs.Empty);
e.Handled = true;
break;
}
}
protected void RaiseOnAddZoomForce(AddForceEventArgs args)
{
OnAddZoomForce?.Invoke(Viewport, args);
}