App - dlsym: /.../libTWAINDS_FreeImage.so: undefined symbol: DSM_Entry

[xiaoyudannew]

Is this "DSM_Entry" method not implemented in "Twain_DS_sample01"? I found the declare in twain.h, but the implements not in "Twain_DS_sample01".

This is my run (I changed the DSM lib path, my path is right, is not the problem!):

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Please enter an option

q - quit h - help cdsm - connect to the dsm xdsm - disconnect from the dsm lds - list data sources available pds# - print identity structure for data source with id#. ex: pds2 cds# - connect to data source with id#. ex: cds2 xds - disconnect from data source caps - negotiate capabilities scan - start the scan

(h for help) > cdsm

App - dlsym: /home/xyd/twain/lib/libTWAINDS_FreeImage.so: undefined symbol: DSM_Entry