public override sealed void Subscribe()
{
ViewModel.Subscribe();
this.GetVisibleChanged().Where(_ => Visible).Subscribe(_ => GridControlObjects.DataSource = LoadData());
GridViewObjects.GetFocusedRowChanged().Where(_ => GridViewObjects.IsVisible).Subscribe(SendSelectedRecord);
aboutToolStripMenuItem.GetClick().Subscribe(_ => AboutScreen.ShowDialog());
exitToolStripMenuItem.GetClick().Subscribe(_ => Close());
calcApertureToolStripMenuItem.GetClick().Subscribe(_ => CalcApertures());
ToolTipController.GetGetActiveObjectInfo().Subscribe(ToolTipControllerGetActiveObjectInfo);
Messenger.Instance().OfType <SkyBkgndBrightnessMessage>()
.Subscribe(m => SkyBkgndBrightness = m.Brightness);
}
