public static SecureString ReadLineMasked(bool useMask, char mask)
{
using (var securePassword = new SecureString())
{
while (true)
{
var k = Console.ReadKey(true);
if (k.Key == ConsoleKey.Enter)
break;
if (k.Key == ConsoleKey.Escape)
return null;
if (k.Key == ConsoleKey.Backspace)
{
if (securePassword.Length > 0)
{
securePassword.RemoveChar();
if (useMask)
Console.Write("\b \b");
}
continue;
}
securePassword.AppendChar(k.KeyChar);
if (useMask)
Console.Write(mask);
}
if (securePassword.Length > 0)
return securePassword.Copy();
return null;
}
}