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 CodeWalker.WinForms

{

public partial class TextBoxScrollSyncFix : TextBoxFix

{

public TextBoxScrollSyncFix()

{

InitializeComponent();

}

public const int WM_VSCROLL = 0x115;

List<TextBoxScrollSyncFix> peers = new List<TextBoxScrollSyncFix>();

public void AddPeer(TextBoxScrollSyncFix peer)

{

peers.Add(peer);

}

private void DirectWndProc(ref Message m)

{

base.WndProc(ref m);

}

protected override void WndProc(ref Message m)

{

if (m.Msg == WM_VSCROLL)

{

foreach (var peer in this.peers)

{

var peerMessage = Message.Create(peer.Handle, m.Msg, m.WParam, m.LParam);

peer.DirectWndProc(ref peerMessage);

}

}

base.WndProc(ref m);

}

}

}