EVENT_SOURCE (ENUM) ¶ TYPE EVENT_SOURCE : This enumeration describes the triggers of an event. Attributes: qualified_only InOut: Name Initial Comment ALL_SOURCES -1 all sources NO_SOURCE 0 no sources RUNTIME 16#1 runtime SYSTEM 16#2 system IECTASK 16#4 IEC task IECPROGRAM 16#8 IEC program DRIVER 16#10 hardware driver

Functions ¶ Callback Info GetCallback (Function) GetHandleOfCallback (Function) GetNumberActiveCallbacks (Function) IsHandleValid (Function) Helper DecodeClass (Function) DecodeEvent (Function) EncodeSpec (Function) Indirect Functioncall CallFunctionByIndex (Function) PostEvent (Function) RegisterCallback (Function) SendEvent (Function) UnregisterCallback (Function)

Callback Info ¶ GetCallback (Function) GetHandleOfCallback (Function) GetNumberActiveCallbacks (Function) IsHandleValid (Function)

GetCallback (FUN) ¶ FUNCTION GetCallback : ERROR This function gets the callback data structure of a registered callback InOut: Scope Name Type Comment Return GetCallback ERROR Description of the callback conditions and the callback function Input hHandle CAA.HANDLE handle of Callback pCallback POINTER TO CB_CALLBACK Adress of return value

GetHandleOfCallback (FUN) ¶ FUNCTION GetHandleOfCallback : CAA.HANDLE This function gets the handle of callback via the callback number (ctNumber); InOut: Scope Name Type Comment Return GetHandleOfCallback CAA.HANDLE Handle to the callback, CAA.gc_hINVALID if ctNumber is invalid Input ctNumber CAA.COUNT number of Callback (value between 1 and CB_GetNumberActiveCallbacks) peError POINTER TO ERROR Pointer to error ID

GetNumberActiveCallbacks (FUN) ¶ FUNCTION GetNumberActiveCallbacks : CAA.COUNT This function gets the number of registered callbacks InOut: Scope Name Type Comment Return GetNumberActiveCallbacks CAA.COUNT The number of registered callbacks. Input peError POINTER TO ERROR Pointer to an error ID

IsHandleValid (FUN) ¶ FUNCTION IsHandleValid : BOOL This function checks, whether a callback with handle hHandle is registered InOut: Scope Name Type Comment Return IsHandleValid BOOL TRUE if the handle is valid. FALSE otherwhise. Input hHandle CAA.HANDLE handle of Callback peError POINTER TO ERROR Pointer to error ID

IWORKER (ALIAS) ¶ TYPE IWORKER : ASM_IWORKER Attributes: qualified_only

STATE (ALIAS) ¶ TYPE STATE : ASM_STATE Attributes: qualified_only

GetSupplierVersion (FUN) ¶ FUNCTION GetSupplierVersion : WORD InOut: Scope Name Type Return GetSupplierVersion WORD