DTWAIN_OpenSourcesOnSelect

The DTWAIN_OpenSourcesOnSelect allows DTWAIN to either open or not open TWAIN Sources once selected.

DTWAIN_BOOL DTWAIN_OpenSourcesOnSelect ( DTWAIN_BOOL bOpenSources );

Parameters

bOpenSources

   Specifies whether TWAIN Sources will be opened when they are selected.

Return Values

If the function succeeds, TRUE is returned.  If unsuccessful, FALSE is returned.

Comments

DTWAIN_OpenSourcesOnSelect allows DTWAIN to open or not open Sources when they are selected with one of the Source Selection Functions.  If bOpenSources is TRUE, any Source that is selected will be automatically opened.  If bOpenSources is FALSE, the application must call DTWAIN_OpenSource to explicitly open any Source.

Opening a Source allows DTWAIN to negotiate the capabilities of the Source, plus other operations that will only work for Sources that are opened.