WIA_DPC_EXPOSURE_MODE
The WIA_DPC_EXPOSURE_MODE property indicates a camera's current exposure mode.
Property Type: VT_I4
Valid Values: WIA_PROP_LIST
Access Rights: Read/write
Remarks
An application changes the WIA_DPC_EXPOSURE_MODE property to control the exposure mode of the camera device.
The following table describes the constants that are valid with WIA_DPC_EXPOSURE_MODE.
Value | Definition |
---|---|
EXPOSUREMODE_APERTURE_PRIORITY | A user manually sets the aperture, and the camera device automatically sets the shutter speed. |
EXPOSUREMODE_AUTO | The camera device automatically sets the aperture and shutter speed. |
EXPOSUREMODE_MANUAL | A user manually sets the aperture and shutter speed. |
EXPOSUREMODE_PROGRAM_ACTION | The camera device automatically sets the aperture and shutter speed, and it optimizes them for moving subject matter (in other words, scenes that contain fast motion). |
EXPOSUREMODE_PROGRAM_CREATIVE | The camera device automatically sets the aperture and shutter speed, and it optimizes them for still subject matter. |
EXPOSUREMODE_PORTRAIT | The camera device automatically sets the aperture and shutter speed, and it optimizes them for portrait photography. |
EXPOSUREMODE_SHUTTER_PRIORITY | A user manually sets the shutter speed, and the camera device automatically sets the aperture. |
Requirements
Version: Obsolete in Windows Vista and later operating systems and should not be used.
Header: wiadef.h (include Wiadef.h)