/// <summary>
/// Convert (WM_DEVICECHANGE)WM_MESSAGE pointer to data structure
/// </summary>
/// <param name="lParam"></param>
/// <returns></returns>
protected string PointerToDevicePath(IntPtr lParam)
{
Native.DEV_BROADCAST_DEVICEINTERFACE devBroadcastDeviceInterface =
new Native.DEV_BROADCAST_DEVICEINTERFACE();
Native.DEV_BROADCAST_HDR devBroadcastHeader = new Native.DEV_BROADCAST_HDR();
Marshal.PtrToStructure(lParam, devBroadcastHeader);
Int32 stringSize = Convert.ToInt32((devBroadcastHeader.dbch_size - 32) / 2);
Array.Resize(ref devBroadcastDeviceInterface.dbcc_name, stringSize);
Marshal.PtrToStructure(lParam, devBroadcastDeviceInterface);
return(new String(devBroadcastDeviceInterface.dbcc_name, 0, stringSize));
}
// Specify what you want to happen when the Elapsed event is raised.
//private void enumerateTimedEvent(object source, ElapsedEventArgs e)
//{
// Update();
//}
/// <summary>
/// Registers a window to receive notifications when USB devices are plugged or unplugged.
/// </summary>
/// <param name="windowHandle"></param>
/// <returns></returns>
public IntPtr RegisterHIDDeviceNotification(IntPtr windowHandle)
{
Native.DEV_BROADCAST_DEVICEINTERFACE dbi = new Native.DEV_BROADCAST_DEVICEINTERFACE
{
dbcc_size = 0,
dbcc_devicetype = (int)Native.DBT_DEVTYP_DEVICEINTERFACE,
dbcc_reserved = 0,
dbcc_classguid = GUID_DEVINTERFACE_HID.ToByteArray()
};
dbi.dbcc_size = Marshal.SizeOf(dbi);
IntPtr buffer = Marshal.AllocHGlobal(dbi.dbcc_size);
Marshal.StructureToPtr(dbi, buffer, true);
return(Native.RegisterDeviceNotification(windowHandle, buffer, 0));
}
/// <summary>
/// Convert (WM_DEVICECHANGE)WM_MESSAGE pointer to data structure
/// </summary>
/// <param name="lParam"></param>
/// <returns></returns>
protected string PointerToDevicePath(IntPtr lParam)
{
Native.DEV_BROADCAST_DEVICEINTERFACE devBroadcastDeviceInterface =
new Native.DEV_BROADCAST_DEVICEINTERFACE();
Native.DEV_BROADCAST_HDR devBroadcastHeader = new Native.DEV_BROADCAST_HDR();
Marshal.PtrToStructure(lParam, devBroadcastHeader);
Int32 stringSize = Convert.ToInt32((devBroadcastHeader.dbch_size - 32) / 2);
Array.Resize(ref devBroadcastDeviceInterface.dbcc_name, stringSize);
Marshal.PtrToStructure(lParam, devBroadcastDeviceInterface);
return new String(devBroadcastDeviceInterface.dbcc_name, 0, stringSize);
}
// Specify what you want to happen when the Elapsed event is raised.
//private void enumerateTimedEvent(object source, ElapsedEventArgs e)
//{
// Update();
//}
/// <summary>
/// Registers a window to receive notifications when USB devices are plugged or unplugged.
/// </summary>
/// <param name="windowHandle"></param>
/// <returns></returns>
public IntPtr RegisterHIDDeviceNotification(IntPtr windowHandle)
{
Native.DEV_BROADCAST_DEVICEINTERFACE dbi = new Native.DEV_BROADCAST_DEVICEINTERFACE
{
dbcc_size = 0,
dbcc_devicetype = (int)Native.DBT_DEVTYP_DEVICEINTERFACE,
dbcc_reserved = 0,
dbcc_classguid = GUID_DEVINTERFACE_HID.ToByteArray()
};
dbi.dbcc_size = Marshal.SizeOf(dbi);
IntPtr buffer = Marshal.AllocHGlobal(dbi.dbcc_size);
Marshal.StructureToPtr(dbi, buffer, true);
return Native.RegisterDeviceNotification(windowHandle, buffer, 0);
}
