CA_VariantCopy
HRESULT CA_VariantCopy (const VARIANT *sourceVariant, VARIANT *destinationVariant);
Purpose
Copies the contents of one variant to another variant. CA_VariantCopy makes a deep copy of the source variant by duplicating any allocated data that it contains.
Parameters
| Input | ||
| Name | Type | Description |
| sourceVariant | const VARIANT * | Pointer to the variant that contains the value to copy. |
| Output | ||
| Name | Type | Description |
| destinationVariant | VARIANT | Variant into which CA_VariantCopy copies the sourceVariant contents. |
Return Value
| Name | Type | Description |
| status | HRESULT | A value indicating whether an error occurred. Negative error codes indicate function failure. Error codes are defined in CVIversion\include\cviauto.h and <Program Files>\National Instruments\Shared\MSDTRedistributables\SDKHeaderFiles\8.1\winerror.h. The LabWindows/CVI ActiveX Library explicitly returns error codes. Other error codes in winerror.h are generated by ActiveX servers and passed on to you by the LabWindows/CVI ActiveX Library. You can use CA_GetAutomationErrorString to get the description of an error code or CA_DisplayErrorInfo to display the description of the error code. |
Additional Information
Library: ActiveX Library
Include file: cviauto.h
LabWindows/CVI compatibility: LabWindows/CVI 5.0 and later