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I have a Winform project i want to use icon overlays like dropbox.There is Exampla at the top of what i want to achieve, when i use a function to modify a file i want to show different icon when the process is done i want to show a tick as overlay icon hopefully this made it more clear, and I used this code from :https://www.codeproject.com/Articles/545781/NET-Shell-Extensions-Shell-Icon-Overlay-Handlers

But i didn't understand how does it work ? or how should i call it. I created a class library file and use this then referenced the dll on my winform project but i can't see functions from my project because the functions are protected maybe ? (what i need to do get pass it?) and what parameters should i send to canShowOverlay function. And again i don't understand this simple code is overlaying icon where does it exactly happens ?

Herion
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  • Show us the application you are doing and give us a sample output on what you desire to do. So that we can have an idea on what you are doing. – tontonsevilla Sep 04 '20 at 03:13
  • @tontonsevilla i just added more information – Herion Sep 04 '20 at 06:11
  • Where are you viewing your files that has an icon overlay, is it from your App? Because the link above with a sample project is a shell extension of the windows. It means it will be used by all the files in someones computer. – tontonsevilla Sep 04 '20 at 23:16

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