public TextBoxDelayHandler(TextBox textBox, int delayMs)
{
_textBox = textBox;
_timer = new Timer()
{
Interval = delayMs
};
_timer.Tick += delegate(object sender, EventArgs e)
{
_timer.Stop();
DelayedTextChanged?.Invoke(_textBox, e);
};
_textBox.TextChanged += StartTimer;
}
public TextDelayedInput()
{
_filterInvoke = new DispatcherTimer()
{
Interval = TimeSpan.FromMilliseconds(1000),
IsEnabled = false
};
_filterInvoke.Tick += (s, a) =>
{
var text = Text;
if (!string.Equals(_lastValue, text))
{
_filterInvoke.Stop();
DelayedTextChanged?.Invoke(this, text);
_lastValue = text;
}
};
}
protected virtual void OnDelayedTextChanged(EventArgs e)
{
DelayedTextChanged?.Invoke(this, e);
}
