See Also
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. |
Related Topics
Defining
External Components in the Repository
Writing an External
Component
Preparing
Components for Use in a USoft Application
Invoking
Components from a USoft Application
Possible USoft Contexts
for INVOKE
When and How Many
Times a Component Is Invoked
Component Construction
Internal Components
The Internal RulesEngine
Component
The ExecuteStatement Method
The
MustExistExecuteStatement Method
The StartCatchingErrors
Method
The StopCatchingErrors
Method
The GetLastCaughtErrors
Method
The
GetLastCaughtErrorsAsXML Method
The GetProperty Method
The GetRegistry Method
The PreCommit Method
The SetProperty Method
The SetTransactionMode
Method
The SetUser Method
|