//more and less button Expand
//public void onExpandBtnClicked(object Sender, EventArgs e)
//{
// var buttonClickHandler = (Xamarin.Forms.Button)Sender;
// // access Parent Layout for Button
// StackLayout ParentStackLayout = (StackLayout)buttonClickHandler.Parent;
// // access first Label "name"
// Label nameLabel = (Label)ParentStackLayout.Children[0];
// if (buttonClickHandler.Text == "more")
// {
// nameLabel.MaxLines = 20;
// buttonClickHandler.Text = "less";
// }
// else
// {
// buttonClickHandler.Text = "more";
// nameLabel.MaxLines = 3;
// }
//}
protected override bool OnBackButtonPressed()
{
vm.Back();
return(true);
}