VSCMD_START_DIR
vsdevcmd.bat
, . , %USERPROFILE%\source
( , ).
"" " VS 2017" , :
%comspec% /k "set VSCMD_START_DIR=C:\temp && "C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\Tools\VsDevCmd.bat""
, vsdevcmd.bat
.
%USERPROFILE%\source
( , , , - "" ), vsdevcmd.bat
"Start In" (.. ").