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PB2017 R2 calling third party c++ dll
  1. How-to
0 Votes
  1. selvam G
  2. PowerBuilder
  3. Wednesday, 17 October 2018 02:34 PM UTC

Hi Appeon Team

I am doing prototype for a client server application, calling a C++ dll  as local external functions.

Environment PB2017 R2 Win7

When I call one of the function without any parameters as given below, which returns a string works fine.

Function   String ext_get_version() &
LIBRARY "abcd.dll"                                &
ALIAS FOR "getversion;Ansi"   

But when I call another function which has parameter Const Char* as given below

Function int ext_get_schema(  REF String algorithm) &
LIBRARY "abcd.dll"                                &
ALIAS FOR "getSchemas;Ansi"

Getting an error as invalid stock pointer on return from function call.

Please let me know what is the issue here.

We do not have source code for the dll.

Any help will be much appreciated.

Thanks

Selvam

DataWindows: Why buttonclicked doesnt trigger, if button has... Data source arguments for datawindow insertrow
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