public static void Run()
{
// ExStart:AddVotingButtonToExistingMessage
// The path to the File directory.
string dataDir = RunExamples.GetDataDir_Outlook();
MapiMessage mapi = MapiMessage.FromFile(dataDir + "message.msg");
FollowUpManager.AddVotingButton(mapi, "Indeed!");
mapi.Save(dataDir + "AddVotingButtonToExistingMessage_out.msg");
// ExEnd:AddVotingButtonToExistingMessage
}
}