F_VN_ConvertITcUnknownToITcVnBitmapExport
Convert an ITcUnknown interface pointer to an ITcVnBitmapExport 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:
FUNCTION F_VN_ConvertITcUnknownToITcVnBitmapExport : HRESULT
VAR_INPUT
ipSrc : Reference To ITcUnknown;
ipDest : Reference To ITcVnBitmapExport;
hrPrev : HRESULT;
END_VAR
Inputs
Name |
Type |
Description |
---|---|---|
ipSrc |
Reference To ITcUnknown |
Source pointer |
ipDest |
Reference To ITcVnBitmapExport |
Destination pointer |
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
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 |