You can enable or disable ‘strict mode’ compilation in Visual Studio .NET. Locate the CompileApplication.rsp file in your application folder:
…\<App Folder>\CompileApplication.rsp
CompileApplication.rsp may contain the “optionstrict” tag. To enable strict mode, change this setting to:
/optionstrict+
To disable strict mode, change the setting to:
/optionstrict-