/// <summary>
/// Invokes event that says no key was pressed and what is actual reading position.
/// </summary>
/// <param name="position">actual reading position</param>
protected virtual void OnKeyNotPressed(int position)
{
PressedKey?.Invoke(this, new PressedKeyEventArgs(position));
}
/// <summary>
/// Invokes event that says which key was pressed and what is actual reading position.
/// </summary>
/// <param name="key">pressed key</param>
/// <param name="position">actual reading position</param>
protected virtual void OnKeyPressed(char key, int position)
{
PressedKey?.Invoke(this, new PressedKeyEventArgs(key, position));
}