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private DelegateCommand loginCommand;
public string Username { get; set; }
public string Password { get; set; }
public ICommand LoginCommand
{
get
{
if (loginCommand == null)
{
loginCommand = new DelegateCommand(
Login, CanLogin );
}
return loginCommand;
}
}
private bool CanLogin()
{
return !string.IsNullOrEmpty(Username);
}
private void Login()
{
bool result = securityService.IsValidLogin(Username, Password);
if (result) { }
else { }
}