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get/write exif dates and other dates

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T O P I C R E V I E W
lorife	Posted - May 30 2023 : 05:44:23 Hello, I need to get all the available dates of an image, then choose the minor one and set the exif date of image taken from a camera to the minor one. How many dates are there, and how can I get them? For example: I tried these 3 but they are all empty: Memo1.Lines.Add(io.Params.EXIF_DateTime); Memo1.Lines.Add(io.Params.EXIF_DateTimeOriginal); Memo1.Lines.Add(io.Params.EXIF_DateTimeDigitized); I don't know if there are others, for example: creation date, modify date.. can you help me? also to set the new date
3 L A T E S T R E P L I E S (Newest First)
xequte	Posted - May 31 2023 : 02:16:53 Please see the example for writing those values at: http://www.imageen.com/help/TIOParams.EXIF_HasEXIFData.html To determine when an image has changed in another application, you should just check the File Change Date. Nigel Xequte Software www.imageen.com
lorife	Posted - May 30 2023 : 15:12:34 Hello, thanks. Is there a function to write those 3 dates? Also, in your experience which is the field used by softwares to "see" that an image changed? For example, if I rotate an image what field do you think that synology photos uses to reload the image in the cache because it changed?
xequte	Posted - May 30 2023 : 12:31:59 Hi The EXIF dates will only be set for images from digital cameras and mobile phones. All files will have a creation and modify date: http://www.imageen.com/help/IEGetFileDetails.html Nigel Xequte Software www.imageen.com