F_VN_ExportContainerSize

F_VN_ExportContainerSize 1:

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

Syntax

Definition:

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

F_VN_ExportContainerSize 2: Inputs

Name

Type

Description

ipContainer

ITcVnContainer

Container with basic elements

hrPrev

HRESULT

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

F_VN_ExportContainerSize 3: In/Outputs

Name

Type

Description

nBufferSize

ULINT

Output parameter containing the required buffer size

F_VN_ExportContainerSize 4: Return value

HRESULT

Related functions

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.54 or later

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

Tc3_Vision