TWAIN Functionality:
Containers
CreateNumericContainerArray method
CreateNumericContainerEnum method
CreateNumericContainerOneValue method
CreateNumericContainerRange method
GetNumericContainerBOOLValue method
GetNumericContainerFIX32Value method
GetNumericContainerFRAMEValue method
GetNumericContainerINTValue method
GetNumericContainerSTRINGValue method
GetNumericContainerItemType method
GetNumericContainerUINTValue method