Extension methods

It was not that difficult to create extension after all.

At one moment I found out that String type do not allow me to surround a string with double quotas.

So I wrote the following extension to String type:

public static class Extensions
{
    public static String SurroundWith(this String str, Char chr)

    {

        return chr + str + chr;

    }

}

This extension I can then use in my program:
String fileName =

@"C:\Program Files (x86)\Microsoft Office\OFFICE11\Excel.exe";

fileName = fileName.SurroundWith('"');

fileName = Path.Combine(

Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Test.csv");

Process.Start(new ProcessStartInfo("Excel.exe", fileName.SurroundWith('"')));

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