BadImageFormatException when calling ATI from an addon

[tolisss]

Hi

I d/l the AddonFramework solution from

http://ninjatrader.com/support/helpGuides/NinjaTraderAddOnProject.zip

declared the an ATI method through DllImport, add a timer and make the call but it throws.
Can you please see whats wrong with the attached sample?

[NinjaTrader_AlanP]

Hello tolisss,

What error are you receiving?

If you simplify the script, just add a timer, do you get an error?

I look forward to your reply.

[tolisss]

If you run the sample attached in my first post you will get a BadImageFormatException see also this screenshot https://www.screencast.com/t/BkKSu3tsZ

[tolisss]

The script is super simple I just added a few lines to your online demo (first post attachment)

[NinjaTrader_AlanP]

Hello,

This error can often occur if you are referencing the wrong DLL, for example 32bit or 64 bit.

Please see the link below for more information,

http://ninjatrader.com/support/forum/showthread.php?p=298330

Here is more information from MSDN on the BadImageFormatException:

https://msdn.microsoft.com/en-us/library/system.badimageformatexception.aspx

Please let us know if you need further assistance.

[tolisss]

Hi

Unfortunately from your answer is not clear if you could repro the issue with the attached solution so I assume you couldn't and I will provide the steps I used

1) Download the AddonFramework solution from

http://ninjatrader.com/support/helpGuides/NinjaTraderAddOnProject.zip

2) declare the Last method any place you prefer

[DllImport(@"C:\Program Files (x86)\NinjaTrader 8\bin64\NtDirect.dll")]
        public static extern int Last(string instrument, double price, int size);

3) call this Last method method inside OnWindowCreated after you have the related chart open
5) Build the Solution which is already preconfigureed as AnyCpu and will copy file to Bin/Custom
4) Run "C:\Program Files (x86)\NinjaTrader 8\bin64\NtDirect.dll"
5) Attach the VS solution to the running instance and open the chart

one the method is called exception is thrown.
I also tried to use NTClient assembly however once referenced the project build fails with message

1>D:\eXpandFramework\Trading\NinjaTraderAddOnProje ct\NinjaTraderAddOnProject\AddOnFramework.cs(97,13 ,97,20): error CS0433: The type 'Globals' exists in both 'NinjaTrader.Client, Version=8.0.7.0, Culture=neutral, PublicKeyToken=d159e9ddc93cec0d' and 'NinjaTrader.Core, Version=8.0.7.0, Culture=neutral, PublicKeyToken=null'
1>D:\eXpandFramework\Trading\NinjaTraderAddOnProje ct\NinjaTraderAddOnProject\AddOnPage.xaml.cs(822,3 0,822,44): error CS0433: The type 'MarketDataType' exists in both 'NinjaTrader.Client, Version=8.0.7.0, Culture=neutral, PublicKeyToken=d159e9ddc93cec0d' and 'NinjaTrader.Core, Version=8.0.7.0, Culture=neutral, PublicKeyToken=null'
1>D:\eXpandFramework\Trading\NinjaTraderAddOnProje ct\NinjaTraderAddOnProject\AddOnPage.xaml.cs(1255, 11,1255,35): error CS0433: The type 'Globals' exists in both 'NinjaTrader.Client, Version=8.0.7.0, Culture=neutral, PublicKeyToken=d159e9ddc93cec0d' and 'NinjaTrader.Core, Version=8.0.7.0, Culture=neutral, PublicKeyToken=null'
1>D:\eXpandFramework\Trading\NinjaTraderAddOnProje ct\NinjaTraderAddOnProject\AddOnPage.xaml.cs(1255, 11,1255,50): error CS0185: 'method group' is not a reference type as required by the lock statement
1>D:\eXpandFramework\Trading\NinjaTraderAddOnProje ct\NinjaTraderAddOnProject\AddOnPage.xaml.cs(1256, 23,1256,47): error CS0433: The type 'Globals' exists in both 'NinjaTrader.Client, Version=8.0.7.0, Culture=neutral, PublicKeyToken=d159e9ddc93cec0d' and 'NinjaTrader.Core, Version=8.0.7.0, Culture=neutral, PublicKeyToken=null'

I also tried the same approach with NinjaTrader.Custom.csproj

[NinjaTrader_AlanP]

Hello tolisss,

You are not able to call the NT.DLL from inside NinjaTrader. Its not supported or documented. There is an external dll which allows our supported broker partners to interact with the platform, which other users have used for their own programs, but it’s not supported.

You should be able to do this from an external program. Here is a basic sample, which is not supported.

http://ninjatrader.com/support/forum/showthread.php?p=509732#post509732

Please let us know if you need further assistance.