async Task Logout()
{
if (!await UIFunc.ConfirmAsync("Logout?"))
{
return;
}
isLogoutClose = true;
var ret = await NavFunc.PopToRootAsync();
isLogoutClose = false;
if (!ret)
{
return;
}
UserOptions.Clear();
var model = new LoginViewModel();
await NavFunc.NavigateToAsync(model);
}