Dear Appeon:

   When I develop a C++ application to call PB function in a userobject, I installed a VS2019,  but not installed PB extension in VS2019. I followed the process of article:Calling PowerBuilder from C++ - - PowerBuilder Native Interface Programmers Guide and Reference (appeon.com), but get strange errors, the most strange one is that :Severity Code Description Project File Line Suppression State Error C2071 'P_PB_GetVM': illegal storage class, I searched all the head files in PBNI folder, but cannnot find it, nit sure how to solved this problem, can help me on that? thanks a lot