// References:
// http://msdn.microsoft.com/en-us/library/aa480470.aspx
/// <summary>
/// Accepts a user credentials if they haven't been saved or if they have changed, adds them to the credential cache, and makes
/// a call to EWS to verify that the credentials work. If the credentials work, then a confirmation is sent to the credential
/// manager and the credentials are provided back to the application to be used to make EWS calls.
/// </summary>
internal static void AppLogin(ref ExchangeService service)
{
try
{
// Create the credential prompt that will handle the user credentials.
CredPrompt prompt = new CredPrompt("Exchange Web Services");
DialogResult result;
// Show the prompt. This will either prompt for the user credentials or, if they
// already exist on the system, it will load credentials from the cache in the CredDialog object.
result = prompt.ShowPrompt();
if (result == DialogResult.OK)
{
// Authenticate the credentials and if they work, confirm the credentials and provide the
// ExchangeService object back to the application.
if (Authenticate(prompt.Name, prompt.Password, ref service))
{
// The credentials were authenticated. Confirm that we want the
// credential manager to save our credentials.
if (prompt.SaveChecked)
prompt.Confirm(true);
}
// The credentials were not authenticated.
else
{
try
{
prompt.Confirm(false);
}
catch (ApplicationException)
{
Console.Write("Would you like to retry connecting to EWS? [Y/N]: ");
while (true)
{
ConsoleKeyInfo userInput = Console.ReadKey();
Console.WriteLine();
if (userInput.Key == ConsoleKey.Y)
AppLogin(ref service);
else if (userInput.Key == ConsoleKey.N)
{
Environment.Exit(0);
}
else
Console.WriteLine("Please press 'Y' or 'N'");
}
}
}
}
else if (result != DialogResult.Cancel)
{
throw new ApplicationException("Unhandled condition.");
}
}
// This will capture errors stemming from CredUICmdLinePromptForCredentials.
catch(ApplicationException e)
{
Console.WriteLine("Error: {0}", e.Message);
}
}
// References:
// http://msdn.microsoft.com/en-us/library/aa480470.aspx
/// <summary>
/// Accepts a user credentials if they haven't been saved or if they have changed, adds them to the credential cache, and makes
/// a call to EWS to verify that the credentials work. If the credentials work, then a confirmation is sent to the credential
/// manager and the credentials are provided back to the application to be used to make EWS calls.
/// </summary>
internal static void AppLogin(ref ExchangeService service)
{
try
{
// Create the credential prompt that will handle the user credentials.
CredPrompt prompt = new CredPrompt("Exchange Web Services");
DialogResult result;
// Show the prompt. This will either prompt for the user credentials or, if they
// already exist on the system, it will load credentials from the cache in the CredDialog object.
result = prompt.ShowPrompt();
if (result == DialogResult.OK)
{
// Authenticate the credentials and if they work, confirm the credentials and provide the
// ExchangeService object back to the application.
if (Authenticate(prompt.Name, prompt.Password, ref service))
{
// The credentials were authenticated. Confirm that we want the
// credential manager to save our credentials.
if (prompt.SaveChecked)
{
prompt.Confirm(true);
}
}
// The credentials were not authenticated.
else
{
try
{
prompt.Confirm(false);
}
catch (ApplicationException)
{
Console.Write("Would you like to retry connecting to EWS? [Y/N]: ");
while (true)
{
ConsoleKeyInfo userInput = Console.ReadKey();
Console.WriteLine();
if (userInput.Key == ConsoleKey.Y)
{
AppLogin(ref service);
}
else if (userInput.Key == ConsoleKey.N)
{
Environment.Exit(0);
}
else
{
Console.WriteLine("Please press 'Y' or 'N'");
}
}
}
}
}
else if (result != DialogResult.Cancel)
{
throw new ApplicationException("Unhandled condition.");
}
}
// This will capture errors stemming from CredUICmdLinePromptForCredentials.
catch (ApplicationException e)
{
Console.WriteLine("Error: {0}", e.Message);
}
}