How can I access the data associated with an event within the event handler function?
Hello
In my LabWindows code, I try to use a DLL that has been developed in .NET (c#). I used the built-in labwindows Wizard that converts the DLL to a usable 'instrument'. Almost everything seems to work, except that I have 1 problem.
There is an event (defined in the DLL) that I am able to detect. I know that the reminder of the event is called at the right time. But the problem is that in this function, I can't access the data that is supposed to be attached to the event. It worked fine in c#, but I don't know how to do in LabWindows. Here's what looked like in c# event handler function:
void AppLoaderEventCallback (CommonLib.CommandResult MyResults)
{
MyResults is used in the body of this function
}
But in LabWindows, I can't seem to access the MyResults data structure. Here's what I do:
public static int CVICALLBACK AppLoaderEventCallback (CommonLib_CommandResult MyResults)
{
I can't access MyResults here
}
Can you help me with this? I'm doing something wrong?
Thank you very much for your help.
-Mike
I think that your statement of callback function is perhaps not quite correct. Look using the parameter "callback function" function Panel of the generated __Create function associated with this event. This shows the declaration of the callback function - make sure that your callback function is declared in the same way.
Tags: NI Software
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