Category » Capability Negotiation

There were 5 articles found in this category:

1. Error message: Capability not supported by source
   Symptoms: When you negotiate a capability, you may receive the following error message returned by the ErrorString property: Cause: The capability is not supported by the source. Resolution: Please make sure the capability is supported by the source before using it.You can use TWAIN sample ...
2. How to use custom capability in Dynamic Web TWAIN?
   Since version 7, Dynamic Web TWAIN supports custom capability. To use a custom capability, you need to know what the capability code is first. You can follow the steps below: 1. Install the TWAIN sample application (32-bit, 64-bit). 2. Use the TWAIN Sample App to open the source and then check ...
3. How to rotate the scanned image data prior to transfer?
   You can use the methods below to rotate the scanned image data prior to transfer. Note: Before using these methods, please make sure that the driver of your device supports rotating prior to transfer. Method 1: Use ICAP_ROTATION to rotate images. For information about this capability, please cl ...
4. How to detect and discard blank pages automatically?
   You can use the methods below to discard blank pages. Before using these methods, please make sure that the driver of your device supports discarding blank pages. Method 1: Use ICAP_AUTODISCARDBLANKPAGES to discard blank page automatically. For more information about this capability, please clic ...
5. How can I set resolution in the X and Y direction separately?
   You can use ICAP_XRESOLUTION and ICAP_YRESOLUTION to set resolution in the X and Y direction separately. Code (VB): Twain1.SelectSource Twain1.OpenSource 'Set XRESOLUTION current value. Twain1.Capability = ICAP_XRESOLUTION Twain1.CapType = TWON_ONEVALUE Twain1.CapValue = 300 If (Twain1.CapSet = ...