This property refers to the number of pixels per resolution unit in the thumbnail images.
Reference
The ThumbYResolution is the number of pixels per ThumbResolutionUnit in the thumbnail image in the vertical direction.
The ThumbYResolution0 is the numerator for the ThumbResolutionUnit.
The ThumbYResolution1 is the denominator for the ThumbResolutionUnit.
The ThumbResolutionUnit = ThumbYResolution0 / ThumbYResolution1
Explanation
The ThumbYResolution1 property refers to the number of pixels per resolution unit in the thumbnail images. The property value is derived from the image tags relating to image data structure. The property value can be set or retrieved by executing the FileIO.GetImageFileType or the FileIO.GetImageFileTypeMem methods.
Setting this value
This value can be set at runtime.
Retrieving this value
This value can be retrieved at runtime.
[Differences from the ImageKit7 ActiveX]
In the IK7 this was a read only property. It can now be set.