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