TWAIN Functionality:
Property Functions
L_IsTwainAvailable
L_TwainAcquire
L_TwainAcquireList
L_TwainAcquireMulti
L_TwainCancelAcquire
L_TwainFreePropQueryStructure
L_TwainGetJPEGCompression
L_TwainGetProperties
L_TwainGetSources
L_TwainSelectSource
L_TwainSetJPEGCompression
L_TwainSetProperties
L_TwainStopFeeder
L_TwainQueryProperty
LTWAINACQUIRECALLBACK