This property refers to the lens aperature value. This is the numerator.

[C++Builder]   imagekitcontrolname->FileIO->Exif->ApertureValue0[ = int ]
[Delphi]   imagekitcontrolname.FileIO.Exif.ApertureValue0[ = Integer ]

Reference

ApertureValue0 is the numerator for the lens aperature value

ApertureValue1 is the denominator for the lens aperature value

The lens aperature value (unit is the APEX value) = ApertureValue0 / ApertureValue1


*APEX is the Additive System of Photographic Exposure, a standard unit for expressing exposure.

Explanation

The property value can be set or retrieved by executing the FileIO.GetImageFileType or the FileIO.GetImageFileTypeMem methods.

The property value is derived from the image tags related to the picture taking conditions.

Setting this value

This value can be set at runtime.

Retrieving this value

This value can be retrieved at run-time.

[Differences from the ImageKit7 ActiveX]

In the IK7 this was a read only property. It can now be set.

 

The ImageKit10 VCL is a product created by Newtone Corporation