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This capability determines whether the device has a paper sensor that can detect documents on the ADF or Flatbed.
This is a read only capability.
If the source returns FALSE, the application should not rely on values such as CAP_FEEDERLOADED, and continue as if the paper is loaded.
If supported, the source is responsible for detecting whether document is loaded or not.
Type: TW_BOOL
Allowed Values: TRUE or FALSE
MSG_GET TW_ONEVALUE TW_ENUMERATION // 2.0 and higher
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET Not Allowed MSG_SETCONSTRAINT Not Allowed MSG_RESET Not Allowed MSG_QUERYSUPPORT TW_ONEVALUE
All Sources with feeder devices
Version 1.6
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The TWAIN Toolkit is distributed as is. The developer and distributors of the TWAIN Toolkit expressly disclaim all implied, express or statutory warranties including, without limitation, the implied warranties of merchantability, noninfringement of third party rights and fitness for a particular purpose. Neither the developers nor the distributors will be liable for damages, whether direct, indirect, special, incidental, or consequential, as a result of the reproduction, modification, distribution or other use of the TWAIN Toolkit.
