using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace ServerExplorer.Controls
{
    [ComVisible(true)]
    [ClassInterface(ClassInterfaceType.AutoDispatch)]
    public class CustomTextBox : TextBox
    {
        #region SetTabWidth

        private const int EM_SETTABSTOPS = 0x00CB;

        [DllImport("User32.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr SendMessage(IntPtr h, int msg, int wParam, int[] lParam);

        public void SetTabWidth(int tabWidth)
        {
            SendMessage(this.Handle, EM_SETTABSTOPS, 1, new int[] { tabWidth * 4 });
        }

        #endregion

        private int _tabWidth=8;
        public int TabWidth
        {
            get { return _tabWidth; }
            set
            {
                _tabWidth = value;
                SetTabWidth(value);
            }
        }
    }
}