Turning on / off Progress Indicator
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When acquiring images, some Sources display a progress indicator or some other graphical component that indicates the progress of the acquisition. If a Source supports a progress indicator, your application can determine whether the progress indicator should be turned on or off. A program may decide to not show the progress indicator if no Source user-interface is to be used when acquiring images.
Note that not all Sources support progress indicators, or allow a program to turn on or off the progress indicator, so your application should call DTWAIN_IsIndicatorSupported before attempting to turn off the progress indicator.
Enabling / Disabling Progress Indicator
Testing for Progress Indicator |