QPix Command Reference TWAIN Acquisition |

### QPx_GetTWAINVersion

QPx_GetTWAINVersion(versionString):error
| versionString | String8 | TWAIN version
| error | Longint | Error result

Returns an encoded string value that expresses the TWAIN version number:

Characters | Description
1 | F = final, B = beta, A = alpha, D = development
2-3-4 | Internal number
5-6 | Version number
7 | Update number
8 | Revision number

For example, the string "F0000150" stands for the Final release of version 1.5

If TWAIN is not installed, an error code is returned and versionString is set to empty.

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