private void butLogin_Click(object sender, EventArgs e)
{
var but = (Button)sender;
but.Enabled = false;
Task.Run(() =>
{
ScrapeClient tempClient = null;
if (ScrapeClient.TryCreateInstance(txtUsername.Text, txtPassword.Text, ref tempClient))
{
but.Invoke(new Action(() =>
{
this.client = tempClient;
this.Close();
}));
}
else
{
but.Invoke(new Action(() =>
{
but.Enabled = true;
MessageBox.Show("Login failed.");
txtPassword.Text = "";
}));
}
});
}
/// <summary>
/// Creates and attempts to log in a new ScrapeClient with the given credentials.
/// </summary>
/// <param name="username">The username to log in with.</param>
/// <param name="password">The password to log in with.</param>
/// <returns>Returns null if login fails.</returns>
public static ScrapeClient CreateInstance(string username, string password)
{
var client = new ScrapeClient(username, password);
if(!client.Login())
{
return null;
}
return client;
}
/// <summary>
/// Creates and attempts to log in a new ScrapeClient with the given credentials.
/// </summary>
/// <param name="username">The username to log in with.</param>
/// <param name="password">The password to log in with.</param>
/// <returns>Returns null if login fails.</returns>
public static ScrapeClient CreateInstance(string username, string password)
{
var client = new ScrapeClient(username, password);
if (!client.Login())
{
return(null);
}
return(client);
}
/// <summary>
/// Creates and attempts to log in a new ScrapeClient with the given credentials.
/// </summary>
/// <param name="username">The username to log in with.</param>
/// <param name="password">The password to log in with.</param>
/// <param name="client">The output ScrapeClient. Will not be set if failed.</param>
/// <returns>Returns true if login successful, false if failed.</returns>
public static bool TryCreateInstance(string username, string password, ref ScrapeClient client)
{
var newClient = CreateInstance(username, password);
if(newClient == null)
{
return false;
}
else
{
client = newClient;
return true;
}
}
/// <summary>
/// Creates and attempts to log in a new ScrapeClient with the given credentials.
/// </summary>
/// <param name="username">The username to log in with.</param>
/// <param name="password">The password to log in with.</param>
/// <param name="client">The output ScrapeClient. Will not be set if failed.</param>
/// <returns>Returns true if login successful, false if failed.</returns>
public static bool TryCreateInstance(string username, string password, ref ScrapeClient client)
{
var newClient = CreateInstance(username, password);
if (newClient == null)
{
return(false);
}
else
{
client = newClient;
return(true);
}
}
private void DoLogin()
{
var login = new Login();
DialogResult res = login.ShowDialog(this);
this.client = login.Client;
}