F_VN_ExportSubContainerSize

F_VN_ExportSubContainerSize 1:

Determine the required buffer size in bytes to store all container elements of a sub-container (number_of_Elements * size_per_Element). Only possible for 2-dimensional containers with basic elements.

Syntax

Definition:

FUNCTION F_VN_ExportSubContainerSize : HRESULT
VAR_INPUT
    ipContainer : ITcVnContainer;
    nIndex      : ULINT;
END_VAR
VAR_IN_OUT
    nBufferSize : ULINT;
END_VAR
VAR_INPUT
    hrPrev      : HRESULT;
END_VAR

F_VN_ExportSubContainerSize 2: Inputs

Name

Type

Description

ipContainer

ITcVnContainer

Container with basic elements

nIndex

ULINT

Index of the requested element

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_ExportSubContainerSize 3: In/Outputs

Name

Type

Description

nBufferSize

ULINT

Output parameter containing the required buffer size

F_VN_ExportSubContainerSize 4: Return value

HRESULT

Verwandte Funktionen

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.59 or later

PC or CX (x64) with min. PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision