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// Copyright © 2006-2010 Travis Robinson. All rights reserved.
//
// website: http://sourceforge.net/projects/libusbdotnet
// e-mail: libusbdotnet@gmail.com
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. or
// visit www.gnu.org.
//
//
using System;
using System.Windows.Forms;
namespace LibUsbDotNet.DeviceNotify.Internal
{
internal sealed class DevNotifyNativeWindow : NativeWindow
{
private const string WINDOW_CAPTION = "{18662f14-0871-455c-bf99-eff135425e3a}";
private const int WM_DEVICECHANGE = 0x219;
private readonly OnDeviceChangeDelegate mDelDeviceChange;
private readonly OnHandleChangeDelegate mDelHandleChanged;
internal DevNotifyNativeWindow(OnHandleChangeDelegate delHandleChanged, OnDeviceChangeDelegate delDeviceChange)
{
mDelHandleChanged = delHandleChanged;
mDelDeviceChange = delDeviceChange;
CreateParams cp = new CreateParams();
cp.Caption = WINDOW_CAPTION;
cp.X = -100;
cp.Y = -100;
cp.Width = 50;
cp.Height = 50;
CreateHandle(cp);
}
protected override void OnHandleChange()
{
mDelHandleChanged(Handle);
base.OnHandleChange();
}
protected override void WndProc(ref Message m)
{
if (m.Msg == WM_DEVICECHANGE)
{
mDelDeviceChange(ref m);
}
base.WndProc(ref m);
}
#region Nested Types
#region Nested type: OnDeviceChangeDelegate
internal delegate void OnDeviceChangeDelegate(ref Message m);
#endregion
#region Nested type: OnHandleChangeDelegate
internal delegate void OnHandleChangeDelegate(IntPtr windowHandle);
#endregion
#endregion
}
}
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