/// <summary>
/// The register for device notifications.
/// </summary>
/// <param name="windowHandleToReceiveNotifications">
/// The window handle to receive notifications.
/// </param>
/// <returns>
/// The <see cref="ProcessHandleResult"/>.
/// </returns>
public IProcessHandleResult Register(IntPtr windowHandleToReceiveNotifications)
{
var devBroadcastDeviceInterface = _broadcastDeviceInterfaceFactory.CreateBroadcastDeviceInterface();
var devBroadcastDeviceInterfaceBuffer = IntPtr.Zero;
try
{
devBroadcastDeviceInterfaceBuffer = _marshallWrapper.AllocHGlobal(devBroadcastDeviceInterface.Size);
_marshallWrapper.StructureToPointer(devBroadcastDeviceInterface, devBroadcastDeviceInterfaceBuffer, false);
var deviceNotificationHandle = _unsafeNativeMethodsWrapper.RegisterDeviceNotification(
windowHandleToReceiveNotifications,
devBroadcastDeviceInterfaceBuffer,
DeviceNotifyWindowHandle);
return(_processHandleResultFactory.Create(deviceNotificationHandle));
}
finally
{
if (devBroadcastDeviceInterfaceBuffer != IntPtr.Zero)
{
_marshallWrapper.FreeHGlobal(devBroadcastDeviceInterfaceBuffer);
}
}
}
