Using the appSettings Section
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You can use the configuration tools to create and modify .NET Framework <appSettings> sections. Note that the <appSettings> sections must be included in a single file; they should not be distributed across multiple files. Examples of files that you cannot edit include the Machine.config file and <appSettings> sections that include the optional file attribute that specifies a relative path to an external configuration file.
To configure an <appSettings> section
- Open the configuration file. For more information, see Using the Configuration Tools.
- Add the Application Settings node to the App.config node.
- To add a setting, right-click the Application Settings node, click New Setting, and then set the name and value in the Properties pane.