Get-ClipboardReverse.cs

using System;
using System.Management.Automation;
using System.Text;

namespace ClipboardReverse
{
    [Cmdlet(VerbsCommon.Get,"ClipboardReverse")]
    [OutputType(typeof(string))]
    public class ClipboardReverse : PSCmdlet
    {
        protected override void EndProcessing()
        {
            var ps = PowerShell.Create();
            ps.AddCommand("Get-Clipboard").AddParameter("Raw");
            var output = ps.Invoke<string>();
            if (ps.HadErrors)
            {
                WriteError(new ErrorRecord(ps.Streams.Error[0].Exception, "Get-Clipboard Error", ErrorCategory.NotSpecified, null));
            }
            else
            {
                var sb = new StringBuilder();
                foreach (var text in output)
                {
                    sb.Append(text);
                }

                var reversed = sb.ToString().ToCharArray();
                Array.Reverse(reversed);
                WriteObject(new string(reversed));
            }
        }
    }
}