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Thread: Option to show image that is to be replaced

  1. #1
    IV Beginner
    Join Date
    May 2009
    IrfanView 4.40
    64-bit Win 7 Professional SP1

    Default Option to show image that is to be replaced

    Click, hold + Shift , drag to another folder.

    Are you sure you want to replace same named file ? (something like that).
    Excellent would be to see at that point visual comparison of files in question. Before making a decision.
    Last edited by Bhikkhu Pesala; 22.05.2020 at 02:48 PM.

  2. #2
    Moderator Enterprise User Bhikkhu Pesala's Avatar
    Join Date
    May 2007
    East London
    64-bit Win 10
    CPU Cores


    Rather tricky IMO. Since the thumbnail could be dragged to any folder, the thumbnails might not be available if the folder has not been viewed before, and currently, thumbnails are not cached anyway. You can see the problem if you select a folder with a lot of large images in the Thumbnail viewer, switch back to a smaller folder, then select the previous folder again. The Thumbnails have to be redrawn.

    There have been several previous requests to cache thumbnails, but even if that were to be implemented (it would increase RAM usage), any folders not previously viewed would make this process very slow.

    Windows Explorer does cache thumbnails, and does show tiny thumbnails on the Copy file dialogue, but the small thumbnails are not very useful for deciding what the difference is between similar versions of the same image.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Bhikkhu Pesala; 26.06.2016 at 06:10 PM.

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