F_CreateLinkedListHnd
The function initializes the Linked List Handle. The List Handle must be initialized once by calling the F_CreateLinkedListHnd function.
Return value
Name | Type | Description |
|---|---|---|
F_CreateLinkedListHnd | BOOL |
|
Inputs
VAR_INPUT
pEntries : POINTER TO T_LinkedListEntry := 0;
cbEntries : UDINT := 0;
END_VARName | Type | Description |
|---|---|---|
pEntries | POINTER TO T_LinkedListEntry | The address of the first T_LinkedListEntry array element. The address can be determined with the ADR operator (type: T_LinkedListEntry). |
cbEntries | UDINT | The byte size of the T_LinkedListEntry array. The byte size can be determined with the SIZEOF operator. |
/ Inputs/outputs
VAR_IN_OUT
hList : T_HLINKEDLIST;
END_VARName | Type | Description |
|---|---|---|
hList | Hash table handle to be initialized (type: T_HLINKEDLIST). The handle is required for accessing the list from the function block FB_LinkedListCtrl. |
Return parameter | Description |
|---|---|
TRUE | No error |
FALSE | Error |
Requirements
Development environment | Target platform | PLC libraries to be integrated (category group) |
|---|---|---|
TwinCAT v3.1.0 | PC or CX (x86, x64, Arm®) | Tc2_Utilities (System) |