private static void UnregisterDeviceStateChangedCallback()
{
CameraErrorFactory.ThrowIfError(Native.UnsetDeviceStateChangedCallback(_deviceStateCallbackId),
"Unsetting device state changed callback failed");
_deviceStateChangedCallback = null;
_deviceStateCallbackId = 0;
}
private static void UnregisterDeviceStateChangedCallback()
{
Native.UnsetDeviceStateChangedCallback(_deviceStateCallbackId).
ThrowIfFailed("Failed to unset device state changed callback.");
_deviceStateChangedCallback = null;
_deviceStateCallbackId = 0;
}
private static void RegisterDeviceStateChangedCallback()
{
_deviceStateChangedCallback = (CameraDevice device, CameraDeviceState state, IntPtr userData) =>
{
_deviceStateChanged?.Invoke(null, new CameraDeviceStateChangedEventArgs(device, state));
};
CameraErrorFactory.ThrowIfError(Native.SetDeviceStateChangedCallback(_deviceStateChangedCallback, IntPtr.Zero, out _deviceStateCallbackId),
"Failed to set device state changed callback");
Log.Info(CameraLog.Tag, "add callbackId " + _deviceStateCallbackId.ToString());
}
private static void RegisterDeviceStateChangedCallback()
{
_deviceStateChangedCallback = (device, state, _) =>
{
_deviceStateChanged?.Invoke(null, new CameraDeviceStateChangedEventArgs(device, state));
};
Native.SetDeviceStateChangedCallback(_deviceStateChangedCallback, IntPtr.Zero, out _deviceStateCallbackId).
ThrowIfFailed("Failed to set device state changed callback.");
Log.Info(CameraLog.Tag, "add callbackId " + _deviceStateCallbackId.ToString());
}