Data Types for the NI Vision Builder AI ActiveX Component
| Visual Basic | C/C++ | Description |
| Boolean | VARIANT_BOOL | Has the value True (-1) or False (0). |
| Date | double | A VB date. |
| Long | long | 32-bit signed integer. |
| String | BSTR | A string. |
| Variant | LPVARIANT | A variant. |
| double | double | 64-bit floating point number. |