Tuesday, August 16, 2016

Error: Icon file is not set to be published...

Today while working on one of the application that was for ClickOnce deployment I faced a small issue which took almost my half an hour. My task was to associate a default icon to my application. So, in order to do this, I went to my project properties and simply set the icon as shown below:
















As you can see in above screenshot, it is showing an error icon which states: 'Icon file is not set to be published with the application, or is not part of the required download group'

Then I build my application and land up with below error message which was more clear:






After hitting my head for many minutes, I thought, let's check out what is this 'download group'.

On surfing net, I got the clue that download group is nothing but a collection of files which are going to be part of our publish activity.
So, I quickly opened Application Files dialog using Project properties >> Publish. The Application Files dialog looks like:















I noticed that my icon file is not listed above. Then I got an idea on what went wrong :)
I immediately changed the to build action to 'Content' and force it to 'Copy Always'. And guess what?
My error is gone :)

After fixing this issue, I realized that it was very silly. As it wasted my many minutes, I thought to add it to my repository, so that it can be useful for all others who got stuck like me :(

Happy troubleshooting !!! 

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