how to delete properties sae in c#

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Hi i using C# properties for save something in my program and it has setup file, but when i uninstalled program and then i install it later but the number i saved before uninstall are in the program and now i want when i uninstall the program those saved are going to delete, how can i do it?
and this is properties setting save i using

C#

properties.Setting.Default.a=12;
properties.Setting.Default.Save();

i don't want to it keep save when i deleted program
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Posted 11-Nov-14 5:15am

Avenger1

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OriginalGriff · Answer 1 · 2014-11-11T05:53:00

Two ways to do it:
1) Depending on your installation program, add a uninstallation step which removes the settings file. (I have no idea how you are handling install / uninstall so I can be specific)
2) Cheat. Set a "firstrun" flag on installation (or add a temporary file which you then delete on the first run of the app) which sets all settings to their default value when you run your application.