private void HandleLiveViewButtonClick(object sender, EventArgs e)
{
this.SafeCall(() =>
{
var camera = this.GetSelectedCamera();
if (camera == null)
return;
if (camera.IsInHostLiveViewMode) camera.StopLiveView();
else camera.StartLiveView(EosLiveViewAutoFocus.QuickMode);
this.UpdateCameraControls();
}, ex => { });
}