This chapter discusses PowerCOBOL programming techniques and includes the following topics:
Traditional COBOL programming methodology versus PowerCOBOL's event-driven programming methodology
PowerCOBOL application execution flow
Sharing data between PowerCOBOL forms and procedures
Calling COBOL DLLs
PowerCOBOL overall application architecture
Working with multiple windows in a PowerCOBOL application
Working with objects (using the *COM Class)
Receiving object references in event procedures
Opening a PowerCOBOL form from COBOL
Calling the Windows API from PowerCOBOL
Sharing data between a COBOL application and a PowerCOBOL form
Working with VT_BSTR and VT_VARIANT Data Types
Notes on programs that include COBOL and PowerCOBOL procedures