CA_VariantHasCString
HRESULT CA_VariantHasCString (const VARIANT *variant);
Purpose
Determines whether a variant contains a value that can be converted into a C-style string. Variants do not contain C-style strings, but you can convert the strings they contain to C-style strings.
Parameters
| Input | ||
| Name | Type | Description |
| variant | const VARIANT * | Pointer to the variant variable to inspect. |
Return Value
| Name | Type | Description |
| result | HRESULT | 1 if the variant contains a string value. 0 if variant does not contain a string value. < 0 if variant is invalid. Negative error codes indicate function failure. Refer to <Program Files>\National Instruments\Shared\MSDTRedistributables\SDKHeaderFiles\8.1\winerror.h for Windows SDK error codes. |
Additional Information
Library: ActiveX Library
Include file: cviauto.h
LabWindows/CVI compatibility: LabWindows/CVI 5.0 and later