ConvertITcUnknownToITcVnImage

Convert an ITcUnknown interface pointer to an ITcVnImage interface pointer. The destination pointer will be released (if existing) and set to the source pointer. The source pointer will be set to 0.

Syntax

Definition:

HRESULT ConvertITcUnknownToITcVnImage(
    HRESULT      hrPrev,
    ITcUnknown*& ipSrc,
    ITcVnImage*& ipDest
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipSrc

ITcUnknown*&

Source pointer

ipDest

ITcVnImage*&

Destination pointer

ConvertITcUnknownToITcVnImage 1: Return value

HRESULT

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