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To invoke an external component from a USoft application, you need to perform the following general steps:
| 1. | Build the external component using DCOM, or find a predefined component. |
| 2. | Define the component, its method, and its parameter list in the USoft repository. Depending on how the component is to be used, you may need to associate it with the USoft query protocol. |
| 3. | Invoke the component method from one or more SQL statements within the application, using the INVOKE clause. |
See also
Invoking components from a USoft application
Possible USoft contexts for INVOKE
When and how many times a component is invoked
Component construction
Internal components
Web Service components
Parameters
RDMI Protocols
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