Defaulting my app's file extension in VS-2013 to open with my app - file-extension

So I was making my application in Visual Studio 2013 (Visual Basic), when I found out that I cant open my saved file (Document) with my application. It says: "Windows cannot open this file." My file was saved using a save file dialog, and the extension is ".asef" - plz help

I'm not entirely sure what the question is. Maybe this will help
https://social.msdn.microsoft.com/Forums/vstudio/en-US/630ed1d9-73f1-4cc0-bc84-04f29cffc13b/what-registry-keys-are-responsible-for-file-extension-association?forum=netfxbcl

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Android Studio file type extension definitions

I created a new file (with .frag extension) within Android Studio, and a window "Register New File Type Association" popped up. I wasn't paying attention and I selected "Open matching files in associated application" which now makes it so any time I try to open a *.frag file it opens in Gedit (which I had open at the time of the file creation). I checked file types in Settings but I didn't see an option to change the association definition. I want my *.frag files to open in Android Studio.
register-new-file-type-association-dialog
I just made the same mistake.
Go to Setting
write 'file types' on the search box
select the 'File types' under 'Editor'
find the one you assigned and delete it.
I ended up setting Android Studio back to default settings using this link: Reset Android Studio settings to default setting on linux

Installshield Keywords are changed automatically

I am new to installshield and I am trying to create my first installer with .ini file. But I got some problem when create .ini file in InstallShield 2013 Limited Edition with Visual Studio 2012 (Ultimate)
I import an .ini file to InstallShield (Configure the Target System >> INI File Changes). The file's content as below:
When I close this tab(Tab in VS 2012) and re-open it, I got problem as below:
The keywords are changed automatically.
I build project, these keywords will add to .ini file when I install
When I close all tabs, I re-open it again => No problem ???
Is there any mistake when creating .ini file? And What should I do to correct it?
Thank you very much!

Project that I just opened "could not be opened"?

I have a VS2012 C++ project. I can open the project by clicking on the .sln file, but when I open VS2012 and try to open the project from the Start Page, I get this message:
"TestApp2" could not be opened.
Do you want to remove the reference(s) to it from the Recent list(s)?
I don't get this message for all projects, just this one.
I'm trying to run it from the Start Page because I want to run the code as an Administrator. I can right-click the VS2012 icon in the Start Menu and click "Run as Administrator", but right-clicking the .sln doesn't provide this option.
Is there something I can do to fix the project so it can be opened from the Start Page? Or is there another way to open the project as an Administrator?
The link that is stored in the memory for Visual Studio, is now different. This is the only way that could happen. So, remove it from the pinned recent solutions, open it manually, and then it will have the correct linkage in the Visual Studio menu.
Sorry, didn't see prior post on same solution. :)

How can I open a Visual Studio Web Site in another PC without losing all my breakpoints?

At my office PC I am working on a web site using Visual Studio 2012. I created several breakpoints (using F9) in the code-behind of several pages.
I made a copy of the whole web site folder and then opened it again in another PC (using the same version of VS2012).
Now all my breakpoints are gone.
How can I open a Visual Studio Web Site in another PC without losing all my breakpoints?
Thanks in advance.
CD
The project's .suo file has the breakpoint information. Try copying the .suo and replacing the other pc's .suo file.
If you're unfamiliar with it, the project solution file (e.g. "MyProject.sln") has an associated file, the Solution User Options file (e.g. "MyProject.suo"), which stores various information, including breakpoints.

What's this file in Visual Studio 2012?

It is not really existing in the folder of the project but somewhere else, is it a refrence file?
That icon displayed means its a file referenced from a folder outside the Solution. Visual Studio C# Solutions generally show the file system directory that project file is in. Files outside of that are shown as being linked in, or referenced, by that icon you see there. See Adding as a Link.

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