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WIA_DPC_EXPOSURE_METERING_MODE

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The WIA_DPC_EXPOSURE_METERING_MODE property specifies the mode that a camera uses to automatically adjust the exposure setting.

Property Type: VT_I4

Valid Values: WIA_PROP_LIST

Access Rights: Read/write

Remarks

The following table describes the constants that are valid with the WIA_DPC_EXPOSURE_METERING_MODE property.

Value Definition
EXPOSUREMETERING_AVERAGE Set the exposure based on an average of the entire scene.
EXPOSUREMETERING_CENTERSPOT Set the exposure based on a center spot.
EXPOSUREMETERING_CENTERWEIGHT Set the exposure based on a center-weighted average.
EXPOSUREMETERING_MULTISPOT Set the exposure based on a multispot pattern.

Requirements

Version: Obsolete in Windows Vista and later operating systems and should not be used.

Header: wiadef.h (include Wiadef.h)