/// <summary>
/// Occurs when the value of the Password property changes.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="routedEventArgs">An EventArgs that contains no event data.</param>
private void OnPasswordBoxPasswordChanged(object sender, RoutedEventArgs routedEventArgs)
{
// When the password box has been loaded and is taking changes from the user, we will copy the changes out of the password box and into the data context
// that was associated with the item. This isn't, strictly speaking, MVVM, but its as close as we're going to get without a dependency property on the
// 'SecurePassword' property. This is understandable for security reasons.
if (this.IsLoaded)
{
PasswordBox passwordBox = sender as PasswordBox;
DomainCredential domainCredentials = passwordBox.DataContext as DomainCredential;
domainCredentials.SecurePassword = passwordBox.SecurePassword;
}
}
/// <summary>
/// Occurs when this FrameworkElement is initialized.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="eventArgs">An EventArgs that contains no event data.</param>
void OnPasswordBoxInitialized(Object sender, EventArgs eventArgs)
{
// Since we don't have access to the password (as it is secured inside the SecureString object), we will fill in the password box with a dummy set of
// characters that is the same length as the password. Since the box encodes the characters anyway, it doesn't 'really matter what we initialize the
// box with so long as it has the proper number of characters.
PasswordBox passwordBox = sender as PasswordBox;
DomainCredential domainCredentials = passwordBox.DataContext as DomainCredential;
passwordBox.Password = new String('*', domainCredentials.SecurePassword.Length);
// We assume that all passwords are going to be overwritten since we can't really edit them like a visible string.
passwordBox.SelectAll();
}
/// <summary>
/// Determines whether the specified Object is equal to the current Object.
/// </summary>
/// <param name="obj">The object to compare with the current object.</param>
/// <returns>true if the specified Object is equal to the current Object; otherwise, false.</returns>
public override bool Equals(object obj)
{
// Only the domain and user name are significant for comparing two objects.
DomainCredential domainCredential = obj as DomainCredential;
if (domainCredential != null)
{
return(this.DomainUserName == domainCredential.DomainUserName);
}
// There is no comparing this object to any other type.
return(false);
}
