PIbd-33_FIrsov_Kirill_KOP/CheckedListBoxLibrary/SmartTextBox.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace MyUserControls
{
    public partial class SmartTextBox : UserControl
    {
        private int _minLength;
        private int _maxLength;
        private string _inputText;

        public int MinLength
        {
            get => _minLength;
            set => _minLength = value;
        }

        public int MaxLength
        {
            get => _maxLength;
            set => _maxLength = value;
        }

        public string InputText
        {
            get
            {
                if (MinLength == 0 && MaxLength == 0)
                {
                    throw new ValueOutOfRangeException("Диапазон значений не задан.");
                }
                if (_inputText.Length < MinLength || _inputText.Length > MaxLength)
                {
                    throw new ValueOutOfRangeException("Введенное значение не входит в диапазон.");
                }
                return _inputText;
            }
            set
            {
                if (MinLength > 0 || MaxLength > 0)
                {
                    if (value.Length < MinLength || value.Length > MaxLength)
                    {
                        
                        return;
                    }
                }
                _inputText = value;
                textBox1.Text = value;
                OnInputTextChanged(EventArgs.Empty);
            }
        }

        public event EventHandler? InputTextChanged;

        public SmartTextBox()
        {
            InitializeComponent();
            textBox1.TextChanged += TextBox1_TextChanged;
        }

        private void TextBox1_TextChanged(object sender, EventArgs e)
        {
            InputText = textBox1.Text;
        }

        protected virtual void OnInputTextChanged(EventArgs e)
        {
            InputTextChanged?.Invoke(this, e);
        }
    }
}