private static void SetPasswordBoxSelection(PasswordBox passwordBox, int start, int length)
{
var select = passwordBox.GetType().GetMethod("Select",
BindingFlags.Instance | BindingFlags.NonPublic);
select.Invoke(passwordBox, new object[] { start, length });
}
private static void SetPasswordBoxSelection(System.Windows.Controls.PasswordBox passwordBox, int start, int length)
{
var select = passwordBox.GetType().GetMethod("Select",
BindingFlags.Instance | BindingFlags.NonPublic);
select.Invoke(passwordBox, new object[] { start, length });
}
private void SetSelection(PasswordBox passwordBox, int start, int length)
{
try
{
if (start < 0x0)
{
start = passwordBox.Password.Length;
}
passwordBox.GetType().GetMethod("Select", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(passwordBox, new object[] { start, length });
}
catch (Exception exception)
{
DebugLog.Assert(false, exception.Message);
passwordBox.SelectAll();
}
}
public PasswordBox()
{
passwordBox = new System.Windows.Controls.PasswordBox();
passwordBox.Padding = new System.Windows.Thickness(5);
passwordBox.VerticalContentAlignment = System.Windows.VerticalAlignment.Center;
passwordBox.Tag = this;
passwordBox.PasswordChanged += (o, e) =>
{
if (passwordBox.Password == currentValue)
{
// password boxes have a peculiar behavior where the cursor is pushed to the beginning
// when used in a two-way binding. to compensate, we need to force the cursor to the end.
var select = passwordBox.GetType().GetMethod("Select", BindingFlags.Instance | BindingFlags.NonPublic);
if (select != null)
{
select.Invoke(passwordBox, new object[] { currentValue.Length, 0 });
}
return;
}
if (!(expression == null || expression.IsMatch(passwordBox.Password)))
{
passwordBox.Password = currentValue;
var select = passwordBox.GetType().GetMethod("Select", BindingFlags.Instance | BindingFlags.NonPublic);
if (select != null)
{
select.Invoke(passwordBox, new object[] { currentValue.Length, 0 });
}
return;
}
string oldValue = currentValue;
currentValue = passwordBox.Password;
var phandler = PropertyChanged;
if (phandler != null)
{
phandler(this, new PropertyChangedEventArgs("Password"));
phandler(this, new PropertyChangedEventArgs("StringValue"));
}
var handler = PasswordChanged;
if (handler != null)
{
handler(Pair ?? this, new ValueChangedEventArgs <string>(oldValue, currentValue));
}
};
passwordBox.PreviewKeyDown += (o, e) =>
{
if (e.Key == System.Windows.Input.Key.Return)
{
var handler = ReturnKeyPressed;
if (handler != null)
{
var args = new EventHandledEventArgs();
handler(pair ?? this, args);
e.Handled = args.IsHandled;
}
}
};
passwordBox.Loaded += (o, e) =>
{
if (setFocusOnLoad)
{
passwordBox.Focus();
}
};
passwordBox.GotFocus += (o, e) =>
{
var phandler = PropertyChanged;
if (phandler != null)
{
phandler(this, new PropertyChangedEventArgs("IsFocused"));
}
var handler = GotFocus;
if (handler != null)
{
handler(pair ?? this, EventArgs.Empty);
}
};
passwordBox.LostFocus += (o, e) =>
{
var phandler = PropertyChanged;
if (phandler != null)
{
phandler(this, new PropertyChangedEventArgs("IsFocused"));
}
var handler = LostFocus;
if (handler != null)
{
handler(pair ?? this, EventArgs.Empty);
}
};
}