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Sharing a business notebook with Evernote API

I'm getting a Evernote.EDAM.Error.EDAMErrorCode.PERMISSION_DENIED error on createSharedNotebook when trying to share a business notebook.
AuthenticationResult busAuthResult = _userStore.authenticateToBusiness(authToken);
var bAuthToken = busAuthResult.AuthenticationToken;
var bNoteStoreUri = busAuthResult.NoteStoreUrl;
TTransport noteStoreTransport = new THttpClient(new Uri(bNoteStoreUri));
TProtocol noteStoreProtocol = new TBinaryProtocol(noteStoreTransport);
var noteStore = new NoteStore.Client(noteStoreProtocol);
var notebook = noteStore.getNotebook(bAuthToken, notebookGuid);
var sharedNotebook = new SharedNotebook();
sharedNotebook.Email = "test#test.com";
sharedNotebook.NotebookModifiable = true;
sharedNotebook.AllowPreview = true;
sharedNotebook.NotebookGuid = notebookGuid;
noteStore.createSharedNotebook(bAuthToken, sharedNotebook);
The account I'm using has access to share the notebook, so I can't figure out where this error is coming from. I haven't been able to find anything on sharing business notebooks, so any ideas or links would be greatly appreciated!

I think NotebookModifiable is deprecated. Instead, can you add privilege? After that, hopefully you would get another error message that tell you exactly what other parameters like recipientSettings you have to add.

How to create a TensorProto in c#?

This is a snipped of the c# client I created to query the tensorflow server I set up using this tutorial: https://tensorflow.github.io/serving/serving_inception.html
var channel = new Channel("TFServer:9000", ChannelCredentials.Insecure);
var request = new PredictRequest();
request.ModelSpec = new ModelSpec();
request.ModelSpec.Name = "inception";
var imgBuffer = File.ReadAllBytes(#"sample.jpg");
ByteString jpeg = ByteString.CopyFrom(imgBuffer, 0, imgBuffer.Length);
var jpgeproto = new TensorProto();
jpgeproto.StringVal.Add(jpeg);
jpgeproto.Dtype = DataType.DtStringRef;
request.Inputs.Add("images", jpgeproto); // new TensorProto{TensorContent = jpeg});
PredictionClient client = new PredictionClient(channel);
I found out that most classes needed to be generated from proto files using protoc
The only thing which I cant find is how to construct the TensorProto. The error I keep getting is : Additional information: Status(StatusCode=InvalidArgument, Detail="tensor parsing error: images")
There is a sample client (https://github.com/tensorflow/serving/blob/master/tensorflow_serving/example/inception_client.py) byt my Python skills are not sufficient to understand the last bit.

I also implemented that client in another language (Java).
Try to change
jpgeproto.Dtype = DataType.DtStringRef;
to
jpgeproto.Dtype = DataType.DtString;
You may also need to add a tensor shape with a dimension to your tensor proto. Here's my working solution in Java, should be similar in C#:
TensorShapeProto.Dim dim = TensorShapeProto.Dim.newBuilder().setSize(1).build();
TensorShapeProto shape = TensorShapeProto.newBuilder().addDim(dim).build();
TensorProto proto = TensorProto.newBuilder()
.addStringVal(ByteString.copyFrom(imageBytes))
.setTensorShape(shape)
.setDtype(DataType.DT_STRING)
.build();
ModelSpec spec = ModelSpec.newBuilder().setName("inception").build();
PredictRequest r = PredictRequest.newBuilder()
.setModelSpec(spec)
.putInputs("images", proto).build();
PredictResponse response = blockingStub.predict(r);

How to update an existing exchange rate

Using the ExchangeRateServiceClient every time I try to use client.create for currency a currency code pair I get an exception
Cannot create a record in Exchange rate currency pair (ExchangeRateCurrencyPair). From currency: USD, EUR. The record already exists.
System.Exception {System.ServiceModel.FaultException}
I am brand new to the AX API...I am using C#
AXDev09.ExchangeRateServiceCreateRequest request =
new AXDev09.ExchangeRateServiceCreateRequest();
AXDev09.ExchangeRateServiceClient client = new AXDev09.ExchangeRateServiceClient();
request.CallContext = new AXDev09.CallContext();
request.CallContext.Language = "en-us";
request.CallContext.Company = "T51";
request.CallContext.MessageId = Guid.NewGuid().ToString();
AXDev09.AxdEntity_CurrencyPair[] myPair = new AXDev09.AxdEntity_CurrencyPair[1];
myPair[0] = new AXDev09.AxdEntity_CurrencyPair();
myPair[0].ToCurrencyCode = "EUR";
myPair[0].FromCurrencyCode = "USD";
AXDev09.AxdEntity_ExchangeRate[] myExchange = new AXDev09.AxdEntity_ExchangeRate[1];
myExchange[0] = new AXDev09.AxdEntity_ExchangeRate();
myExchange[0].ExchangeRate = Convert.ToDecimal("0.708");
myExchange[0].ExchangeRateSpecified = true;
myPair[0].ExchangeRate = myExchange;
myPair[0].ExchangeRateDisplayFactor = AXDev09.AxdEnum_ExchangeRateDisplayFactor.One;
myPair[0].ExchangeRateType = "Average";
AxdType_DateTime myFromDate = new AxdType_DateTime();
myFromDate.localDateTime = DateTime.Now.ToUniversalTime();
myFromDate.timezone = AxdEnum_Timezone.GMTMINUS0600CENTRALTIME;
myFromDate.Value = myFromDate.localDateTime;
AxdType_DateTime myToDate = new AxdType_DateTime();
myToDate.localDateTime = DateTime.Now.ToUniversalTime();
myToDate.timezone = AxdEnum_Timezone.GMTMINUS0600CENTRALTIME;
myToDate.Value = myToDate.localDateTime;
request.LedgerExchangeRate = new AXDev09.AxdLedgerExchangeRate();
request.LedgerExchangeRate.CurrencyPair = myPair;
request.LedgerExchangeRate.ValidFromDateTime = myFromDate;
request.LedgerExchangeRate.ValidToDateTime = myToDate;
client.Open();
client.create(request.CallContext, request.LedgerExchangeRate);
client.Close();

The ExchangeRateServiceClient does appear to be a standard API.
The standards web service is called LedgerExchangeRateService.
If you provide two currencies, then try to reverse them.

if the error message is to be believed, seems like the issue is when it tries to create the ExchangeRateCurrencyPair
there is a no-duplicates index on:
fromCurrency
toCurrency
ExchangeRateType
"I am trying to add a new currency rate...with a new set from from-to but I keep getting "The record already exists" error eventhough I'm setting new FROM-TO dates."
it seems to be objecting to ExchangeRateCurrencyPair(not to the date effective bits) maybe try selecting the pair instead of attempting to create it every time--or maybe try debugging through a successful new pair to see if a tweak may be needed in the standard service

Object reference not set to instance of object, despite creating a new object

I'm currently working on a basic drawing program. One of the requirements is to be able to save the list of drawn objects and load it back in. So far, I have written a save function that exports all items of the list to an XML format, and I'm currently working on the loading-part.
Whenever the program encounters a "< RechthoekTool >" (Dutch for RectangleTool), it executes the following code:
//Create new tool.
RechthoekTool tool = new RechthoekTool();
//Turn <Startpoint> and <Endpoint> into actual points
var sp = Regex.Replace(xn["Startpunt"].InnerText, #"[\{\}a-zA-Z=]", "").Split(',');
tool.startpunt = new Point(int.Parse(sp[0]), int.Parse(sp[1]));
var ep = Regex.Replace(xn["Eindpunt"].InnerText, #"[\{\}a-zA-Z=]", "").Split(',');
tool.eindpunt = new Point(int.Parse(ep[0]), int.Parse(ep[1]));
//Set colour and width of brush
string kleur = xn["Dikte"].InnerText;
kleur.Replace(#"Color [", "");
kleur.Replace(#"]", "");
Color c = Color.FromName(kleur);
tool.kwastkleur = c;
tool.kwast = new SolidBrush(c);
tool.dikte = int.Parse(xn["Dikte"].InnerText);
//Add to list
s.listItems.Add(tool);
Whenever I run the program, I get the 'NullReferenceException was unhandled' error("Object reference not set to an instance of an object.") at
s.listItems.Add(tool);
I do, however, instantiate the tool right at the beginning, don't I? What could be causing this error? Some Googling told me it might be because I forgot to assign a property, but as far as I can tell I've got them all covered...
Help would be greatly appreciated.

The error is due to s or s.listItems not being instantiated.
Without seeing more code, it's difficult to know which is null, but at a guess you are creating a new object for s, which contains a property/field listItems, but you aren't assigning a list to listItems.

The problem is that you aren't instantiating listItems or s. Not enough information is given to tell you how to instantiate s but you can do the other one like this:
s.listItems = new List<RechthoekTool>();

If you don't instantiate something using the new keyword; it simply won't work.
Using your code, try this:
//Create new tool.
RechthoekTool tool = new RechthoekTool();
//Turn <Startpoint> and <Endpoint> into actual points
var sp = Regex.Replace(xn["Startpunt"].InnerText, #"[\{\}a-zA-Z=]", "").Split(',');
tool.startpunt = new Point(int.Parse(sp[0]), int.Parse(sp[1]));
var ep = Regex.Replace(xn["Eindpunt"].InnerText, #"[\{\}a-zA-Z=]", "").Split(',');
tool.eindpunt = new Point(int.Parse(ep[0]), int.Parse(ep[1]));
//Set colour and width of brush
string kleur = xn["Dikte"].InnerText;
kleur.Replace(#"Color [", "");
kleur.Replace(#"]", "");
Color c = Color.FromName(kleur);
tool.kwastkleur = c;
tool.kwast = new SolidBrush(c);
tool.dikte = int.Parse(xn["Dikte"].InnerText);
List<RechthoekTool> s = new List<RechthoekTool>(); // You can now use your list.
//Add to list
s.listItems.Add(tool);

Creating statecharts in Visio using c#

Can anyone point me to an example of how to programatically create a statechart in visio?
I can create blank pages, drop shapes, open template etc, but when I try to add transitions it complains that the page is not the right type.
Can't find a sample anywhere.
Alternatively: I can save the user actions to create the chart as a macro. Can I run that programatically?
Thanks.
< edit >
Step away from the PC for 2 minutes and you realise you should have put the code snippet in the question and not try to put it in comments. Forest: meet trees...
Visio.Document umlStencil = visioApp.Documents.OpenEx(#"UMLSTA_M.vss", (short)VisOpenSaveArgs.visOpenDocked);
Visio.Page page = visioDoc.Pages.Add();
Visio.Shape s1 = page.Drop(umlStencil[#"State"], 5.0, 5.0);
Visio.Shape s2 = page.Drop(umlStencil[#"State"], 5.0, 5.0);
Visio.Shape transition = page.Drop(umlStencil[#"Transition"], 1.0, 1.0);
As you can see, pretty similar to the snippet in the answer below.
< / edit >

This is the code that I ran with Visual Studio 2010 against both Visio 2007 and Visio 2010.
var visioApp = new Visio.Application();
// Load the UML Statechart stencil (docked)
var stencil_open_flags = Visio.VisOpenSaveArgs.visOpenDocked;
var umlStencil = visioApp.Documents.OpenEx(#"UMLSTA_M.vss", (short)stencil_open_flags);
// create a new empty doc based on the UML Model Template
var doc = visioApp.Documents.AddEx("UMLMOD_U.VST", Visio.VisMeasurementSystem.visMSUS, 0, 0);
var page = doc.Pages.Add();
// Find and manually change the diagram's title
var watermark = page.Shapes["Watermark Title"];
var LockTextEdit_cell = watermark.CellsU["LockTextEdit"];
LockTextEdit_cell.FormulaForceU = "GUARD(0)";
watermark.Text = "MyTitle";
LockTextEdit_cell.FormulaForceU = "GUARD(1)";
// Find the masters we need
var state_master = umlStencil.Masters["State"];
var transition_master = umlStencil.Masters["Transition"];
// Drop the masters into the page
var s1 = page.Drop(state_master, 5.0, 5.0);
var s2 = page.Drop(state_master, 1.0, 1.0);
var transition = page.Drop(transition_master, 3.0, 3.0);