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Altova MapForce 2022 Professional Edition

The MapForce API > Object Reference > Interfaces > Document > Methods


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Generates all output files defined in the mapping using a MapForce internal mapping language. The names of the output files are defined as properties of the output items in the mapping. This method is identical to GenerateOutput except for its return value containing the resulting messages, warnings and errors arranged as trees of AppOutputLines.


Note: This method can only be used when the MapForce (running as a COM server) main window is visible, or is embedded with a graphical user interface. If the method is called while MapForce is not visible, then an error will occur.



GenerateOutputEx() -> AppOutputLines



Error code



The object is no longer valid.


Invalid address for the return parameter was specified.


Error during execution of mapping algorithm.


Generating output is only supported when the graphical user interface is visible.

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