WIA_DPC_EXPOSURE_METERING_MODE
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)
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