Indicator not getting into list

[cliffhu]

Hi,

I found this Index code from shared user apps. Copied to script editor and compile was successful. Only issue is it doesn't show up in the indicator list, though I can see it in the file folder and from script editor.

I saw in another thread that this could be the Name property is not unique? But I still can't find the problem.

https://ninjatrader.com/support/forum/filedata/fetch?id=1041520

Thanks.

[NinjaTrader_ChrisL]

Hi cliffhu, thanks for your post.

When the indicator list loads, the Index indicator posted does not get through the OnStateChanged method. We get the error in the Log tab of the Control Center:

Indicator 'Index': Error on calling 'OnStateChange' method: Object reference not set to an instance of an object.

You can use Visual Studio to break upon exceptions to find exactly what is null at this point:

https://ninjatrader.com/support/helpGuides/nt8/?visual_studio_debugging.htm

Please let me know if I can assist any further.

[Frank1000]

Hi Chris,
thx for reply. I was missing a "throw new NotImplementedException();".
In the meantime multiple indicators are showing which i had added before, but after i excluded them all from the project in VS, they still appear.
Some of them not even exist as a file.
Question, where to i handle these indicator appearances which don't exist any more ?
Are the still listed in another file that i have to cleanup ?

http://files.panodome.com/uploads01/IMG_2020-05-30__13-11-24__1590837084.jpg

[Frank1000]

ok seems i have solved it in the meantime.
There was set a display name within the code, which confused me because it was not the file name:

public class FH_Yuri_Indicator_Tut_Cur : Indicator
    {
        private const string IndName = "FH_Yuri_Indicator_Tut_Cur";
        private const string IndVersion = " V1";

        private const string UserParams = "Parameters";
        private const string UserVisuals = "User Visuals Example";