public void OpenFolder(MailFolders folder)
{
switch (folder)
{
case MailFolders.Sent:
ListMailPage = MailPage.OpenSentFolder();
break;
case MailFolders.Drafts:
ListMailPage = MailPage.OpenDraftsFolder();
break;
default:
throw new NotImplementedException($"Click on {folder} folder is not implemented");
}
}