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Pan on a zoomed-in image on a userform

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    Pan on a zoomed-in image on a userform

    This is going to be difficult for me to describe so if please let me know if any clarification is required.

    I have an image in a frame on a userform. I want to be able to:
    1. click on the image to zoom in
    2. to zoom out, I click on the image again (In other words, a left click works as a toggle. If image is already zoomed in, it will revert to full size. If image is currently displayed full size, it will zoom in)
    3. While I am zoomed into the image, I want to be able "grab" the image by holding down left click and, while grabbing, "pan" the image around. (So that a different section of the image is visible inside the frame)

    The first two objectives are easy. But I am stuck on the last one. Can anybody help?

    The closest to what I am looking for is Andy Pope's brilliant Magnify Image (see https://www.andypope.info/vba/magnifyimage.htm) The difference is that his has a 2nd image which acts as a magnifying glass on top of the first image. Whereas I want to zoom into the same image and then pan it around inside its frame.
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  2. #2
    Forum Guru Andy Pope's Avatar
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    Re: Pan on a zoomed-in image on a userform

    I don't think it will work as you expect if left button controls both zoom and pan.
    This example uses double-click to zoom and held left to pan.

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    The userform has 2 controls.
    Frame1 which contains Image1
    Image1 contains the image
    Cheers
    Andy
    www.andypope.info

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    Re: Pan on a zoomed-in image on a userform

    I didn't expect my question to be answered by Andy Pope himself Thank you very much and reps. That was what I was looking for.


    The only edits I made after were because I hadn't made these requirements clear in my opening post (1. While the image isn't zoomed in, I want the entire image to be visible (not cropped). 2. Logical consequence of that - panning should only be possible while the user is zoomed into the image) Thankfully these minor tweaks were easy to implement.

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