This tab lets you customize the build environment for all projects in the workspace. It also lets you control the environment variables used by the build.
Customizing the build environment for projects in the workspace on the Environment tab.
Click Variables to select variables to include in the value. Select Add to all configurations to make this new environment variable available to all configurations for the selected project; otherwise, the variable is only available for the currently selected configuration.
Select Opens the Select variables dialog where you can choose from a list of system variables.
Edit Modifies the name and value of the selected environment variable.
Remove Removes the selected environment variables from the list.