Questions, comments and suggestions concerning VintaSoft Twain ActiveX.
2 posts • Page 1 of 1
If you want to detect that scanner is offline or not available, you need do the following steps:
- Try to open the scanner using the Device_Open method: https://www.vintasoft.com/docs/vstwain/ ... _Open.html
Scanner is not available if method fails.
- If the Device_Open method is executed successfully, try to get value of DeviceCapabilityId.DeviceOnline capability.
Scanner is offline if capability value is False.