IEC Extending Operators

What Is in This Chapter?

• IEC Extending Operators

• __DELETE

• __ISVALIDREF

• __NEW

• __QUERYINTERFACE

• __QUERYPOINTER

• AND_THEN

• OR_ELSE

• __TRY, __CATCH, __FINALLY, __ENDTRY

• __VARINFO

• ‘__POSITION’

• ‘__POUNAME’

• __POOL

• Scope Operators