demo/src/app/components/+datepicker/demos/visibility-events/visibility-events.html
<div class="row">
<div class="col-xs-12 col-12 col-sm-6 col-md-4 form-group">
<input class="form-control"
placeholder="Datepicker"
placement="right"
bsDatepicker
(onShown)="handler('onShown')"
(onHidden)="handler('onHidden')">
</div>
<div class="col-xs-12 col-12">
<pre class="card card-block card-header" *ngFor="let message of messages">{{message}}</pre>
</div>
</div>