Hello, I currently have TestStand code which creates an ActiveX Object reference to a StationGlobal... Currently the ActiveX Object Reference created is always the same... I'm looking for a way to create a different ActiveX Object reference depending on what instance of TestStand open... So I guess I'm wondering if there is an easy way to do this? Is there a variable I could use to distinguish different instances of teststand and somehow incorporate this into Create Options? Thanks for any response.

I can imagine that this property of the Engine class could help you: AppMainHwnd Property Syntax Engine.AppMainHwnd Data Type Long Purpose Specifies the Window handle of the owner of modal dialog boxes. Remarks TestStand uses this property to make dialog boxes modal to the application. Do not set this property because TestStand sets it automatically when the application creates the TestStand Engine. Setting this property can cause dialog boxes to be modal to the wrong window. This property usually refers to the main window of the application but refers to the window of the dialog box when the application displays a modal dialog box. If the handles are different, you are using "a different instance of TS". Norbert EDIT: Starting the application, closing it and restarting it will likely generate different window handles. So you have to make sure that you shutdown connections to the ActiveX Server properly before actually shutting down the application for good. This, of course, is recommended nevertheless, independent of this "issue".

NI TestStand

Create Object based upon Instance of TestStand

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Very good, the null crashed the test on occasion. Now I'm able to get the seq reliable by using UniqueEngineId. Thanks!

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NI TestStand

Create Object based upon Instance of TestStand

Re: Create Object based upon Instance of TestStand