CA_VariantGetULongLong
- Updated2023-02-21
- 1 minute(s) read
CA_VariantGetULongLong
HRESULT CA_VariantGetULongLong (const VARIANT *variant, unsigned long long *value);
Purpose
Copies the value in a variant into an unsigned long long integer variable.
CA_VariantGetULongLong returns an error if the variant does not contain an unsigned long long integer value.
Parameters
Input | ||
Name | Type | Description |
variant | const VARIANT * | Pointer to a variant that contains an unsigned long long integer value. |
Output | ||
Name | Type | Description |
value | unsigned long long | Unsigned long long integer value CA_VariantGetULongLong copies from the variant. |
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 9.0 and later