| title | description | ms.date |
|---|---|---|
WIA Diagnostic Log Macros |
WIA Diagnostic Log Macros |
04/20/2017 |
Note
For WIA error handling on modern Windows operating systems, see WIA Driver Error Recovery.
The Diagnostic Log Macros enable minidrivers to log trace, error, and warning messages to the Wiaservc.log diagnostic log file.
| Macro | Description |
|---|---|
| WIAS_LERROR | Writes a log statement of type ERROR to the Wiaservc.log diagnostic log file. |
| WIAS_LHRESULT | Translates an HRESULT value into a string and writes the string to the Wiaservc.log diagnostic log file. |
| WIAS_LTRACE | Writes a log statement of type TRACE to the Wiaservc.log diagnostic log file. |
| WIAS_LWARNING | Writes a log statement of type WARNING to the Wiaservc.log diagnostic log file. |
| WIAS_ERROR | Writes a log statement of type ERROR to the Wiatrace.log diagnostic log file. |
| WIAS_TRACE | Writes a log statement of type TRACE to the Wiatrace.log diagnostic log file. |