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DTWAIN_IsLightSourceSupported |
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The DTWAIN_IsLightSourceSupported function checks if a Source supports setting the light source.
DTWAIN_BOOL DTWAIN_IsLightSourceSupported ( DTWAIN_SOURCE Source );
Parameters Source Specifies an open TWAIN Source.
Return Values If the Source supports a light source, TRUE is returned. Otherwise FALSE is returned.
Comments The DTWAIN_IsLightSourceSupported function takes the open Source Source, and checks to see if setting the light source is supported. If the Source supports setting the light source, the DTWAIN_SetLightSource function allows an application to set the light source.
Some scanners have the ability to use a different light source or lamp, and DTWAIN_IsLightSourceSupported checks for the ability to use a different lamp or set of lamps when acquiring images.
TWAIN State Transitions The source must be opened in State 4
Prerequisite Function Call(s) DTWAIN Source Selection Function
See Also Films, Transparancies, and Light Sources
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