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devenv.exe

devenv.exe starts the IDE of Visual Studio and allows to control it from the command line (cmd.exe).

The path of this executable can be queried with vswhere.exe in PowerShell:

PS C:\> & 'C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe' -property productPath

devenv.exe directory

After running VsDevCmd.bat, the name of the directory that contains devenv.exe is stored in the Visual Studio environment variable %DevEnvDir%.

Building solutions or projects

Some options allow to build projects from the command line:

C:\…> devenv tq84.sln /Build
C:\…> devenv tq84.sln /Build        proj
C:\…> devenv tq84.sln /Build /Debug proj

Microsoft recommends to use MSBuild

Diffing files

With the /diff flag, devenv.exe compares two files:

C:\…> devenv /diff file1.cs file2.cs

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Windows/...', 1737228777, '13.58.199.20', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Windows/dirs/Program-Files-x86/Microsoft-Visual-Studio/version/edition/Common7/IDE/devenv_exe/index(57): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78