TextChanged Event

ITTextInputLayout_TextChanged.cs

private bool _subscribed;

public EventHandler TextChanged;

protected override void OnAttachedToWindow()
{
    base.OnAttachedToWindow();

    Control.AfterTextChanged += HandleAfterTextChanged;
    _subscribed = true;
}

protected override void OnDetachedFromWindow()
{
    base.OnDetachedFromWindow();

    Control.AfterTextChanged -= HandleAfterTextChanged;
    _subscribed = false;
}

protected override void Dispose(bool disposing)
{
    if (disposing)
    {
        if (Control != null && _subscribed)
        {
            Control.AfterTextChanged -= HandleAfterTextChanged;
            _subscribed = false;
        }
    }

    base.Dispose(disposing);
}

private void HandleAfterTextChanged(object sender, EventArgs e)
{
    TextChanged?.Invoke(this, e);
}