DTWAIN_IsIndicatorSupported

The DTWAIN_IsIndicatorSupported function checks if a Source supports turning on or off the progress indicator during image acquisition.

DTWAIN_BOOL DTWAIN_IsIndicatorSupported ( DTWAIN_SOURCE Source );

Parameters

Source

Specifies an open TWAIN Source.

Return Values

If the Source supports turning on / off the progress indicator, TRUE is returned.  Otherwise FALSE is returned.

Comments

The DTWAIN_IsIndicatorSupported function takes the open Source Source, and checks to see if turning on or off the progress indicator is supported.  If the Source supports turning on or off the progress indicator, the DTWAIN_EnableIndicator function allows an application to turn on / off the progress indicator.

TWAIN State Transitions

The source must be opened in State 4

Prerequisite Function Call(s)

DTWAIN_SysInitialize

DTWAIN Source Selection Function