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Thread: Type Mismatch while trying to capture Return Value from .Net Extension

Ram Sundaresan
Posts: 16

Type Mismatch while trying to capture Return Value from .Net Extension Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 02 Jul 08 9:12 AM

In my .Net Extension I have declared the Return Value as String (array) as given below (using VB.Net)
Dim ReturnValue(2) as String
ReturnValue(0) = "Error"
ReturnValue(1) = "........."
Return ReturnValue

In the SLX script running the .Net Extension I capture the Return Value as per the code below
Dim arrayRetValue()
arrayRetValue = Application.Managed.Run(ext, args)
I get a Type Mismatch error at the above line arrayRetValue = Application.Managed.Run(ext, args)

If I pass on a simple Return Value string like Return ReturnValue(0) + " : " + ReturnValue(1), declare a simple string like Dim arrayRetValue (not a array like arrayRetValue()) and capture the Return Value I am able to get the Return Value. I am able to work with such a code since I can manipulate the string by looking at the first few characters. But I would like to know where I am going wrong in declaring the array string in SLX. Ideally I would like to capture the Return Value as a (String) Array and look at the first element of the array for the next action.

Ryan had clarified that there is marshalling of the variables in .Net Extensions. Is this something to do with marshalling?

Thanks.

[Reply][Quote]

Mark Dykun
Posts: 297

Re: Type Mismatch while trying to capture Return Value from .Net Extension Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 03 Jul 08 7:32 AM

Ram,

I do not usually return arrays back from the call but rather a complex type that has properties representing the values I would like to use. If you do return a type you should mark the class as so that you can use it in SalesLogix. You will then call your run method as

dim someobject
set someobject = Application.Managed.Run(ext, args)
if not someobject is nothing then
txtControl.Text = someobject.someproperty
end if

[Reply][Quote]

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