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Illegal Data Type in PowerBuilder API calls

Illegal Data Type in PowerBuilder API calls

(OP)
thread144-1605984: Need to call GetMessageA API Function

The solution to this question is :

You need to define a structure within the PowerBuilder Window, that matches the name of the referenced structure from the API call.
For example, if the parameter in your API call requires a Msg data type, then you define a Msg structure in your PB window with the name Msg. Set the appropriate variables within the structure. After that, your PowerBuilder compilation will work without errors.

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