Windows 10: Why do my .sln files randomly start loading up blank in Visual Studio?

I just recently started C++, and when I first started a project, I saved the project to my computer. Then, I begin coding and press save when I make any major changes. Today after making large changes to my 3 projects, I pressed save and then closed the documents. Now, when I press "Open Project or Solution," I press on the solution .sln . Nothing loads; I just get a blank screen where my code usually is. I have restarted Visual Studio twice with no change, and the files say they have not been accessed in a couple of days... This is not true because I opened them and edited them today. My so

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Why do my .sln files randomly start loading up blank in Visual Studio?

Hi, I am Dave, I will help you with this.

SLN files do not contain code, they contain references to all the other files in your programming project, including the CPP files

Do you have the Solution Explorer open on the left side of Visual Studio and when you load the SLN file, do you see the other files in your project in the Solution Explorer?

 

Why do my .sln files randomly start loading up blank in Visual Studio?

I just recently started C++, and when I first started a project, I saved the project to my computer. Then, I begin coding and press save when I make any major changes. Today after making large changes to my 3 projects, I pressed save and then closed the documents. Now, when I press "Open Project or Solution," I press on the solution (.sln) . Nothing loads; I just get a blank screen where my code usually is. I have restarted Visual Studio twice with no change, and the files say they have not been accessed in a couple of days... This is not true because I opened them and edited them today. My source file (.cpp) still has my code but I cannot debug or compile (f5) in my source file, only my solution file. My source file shows that I have worked on it today, which I assume is because I hit save and not save all (why is that an option...). But regardless, why does my solution file not have my old code, and how do I upload my new code into the .sln file...

 

Unable to load .sln from zipped file into Visual Studio 2015

I downloaded the file "dotnet462RS1.zip" which is the reference source for .NET Framework 4.6.2. I saved the zipped file in a directory - 'D:\Rod's Documents\Visual Studio Reference Source Add In' on a hard drive on my Windows 10 Professional laptop. I
unzipped the file. I opened the unzipped .sln file in Visual Studio 2015. I get an error message that says:

C:\Users\Rod\AppData\Local\Temp\Temp5_dotnet462RS1.zip\Source\ndp\cdf\src\WCF\Tools\comsvcutil\ComSvcConfig.csproj : error : The project file could not be loaded. Could not find a part of the path 'C:\Users\Rod\AppData\Local\Temp\Temp5_dotnet462RS1.zip\Source\ndp\cdf\src\WCF\Tools\comsvcutil\ComSvcConfig.csproj'.
C:\Users\Rod\AppData\Local\Temp\Temp5_dotnet462RS1.zip\Source\ndp\cdf\src\WCF\Tools\comsvcutil\ComSvcConfig.csproj

I have this problem - 'Could not find part of the path...' and for some reason Visual Studio is looking in a 'user\temp' directory for files every time I try to load a .sln file that has been zipped and unzipped. Is there a setting to correct this path
error?

Thanks for any suggestions.