Release 10.1A: OpenEdge Development:
.NET Open Clients

> ## Accessing RETURN-VALUE function output from procedures

> You can access the value of the `RETURN-VALUE` function set by running a Progress 4GL procedure using the following property, which is available from any of three .NET OpenAPI objects:

> Syntax
>     public string ProcReturnString

> You can access this property from one of the following objects:

> - `Progress.Open4GL.Proxy.OpenAppObject` — Returning the value set by the last procedure executed on the associated AppServer.

> - `Progress.Open4GL.Proxy.OpenProcObject` — Returning the value set by the last internal procedure executed in the associated persistent procedure

> - `Progress.Open4GLProxy.ParamArray` — Returning the value set by the last non-persistent, persistent, or internal procedure executed and passed the specified `ParamArray` object.

> For more information on using these objects to execute procedures, see the "Running procedures and user-defined functions" section.

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