mtapi/MtApiSetupActions/CustomAction.cs

using WixToolset.Dtf.WindowsInstaller;

namespace MtApiSetupActions
{
    public class CustomActions
    {
        private const string MtApiFile = "MtApi.ex4";
        private const string TerminalFolder = @"\MetaQuotes\Terminal";
        private const string Mql4Folder = "MQL4";
        private const string InstalledExpertFolderProperty = "ExpertFolder";
        private const string DestinationExpertFolder = @"\Experts\";

        [CustomAction]
        public static ActionResult InstallEx4File(Session session)
        {
            session.Log("Begin action InstallEx4File...");

            //Directory.CreateDirectory("c:\\dw");

            //var appDataFolder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);

            //var metaquotesFolder = appDataFolder + TerminalFolder;

            //if (Directory.Exists(metaquotesFolder))
            //{
            //    var foldersFound = Directory.GetDirectories(metaquotesFolder, Mql4Folder, SearchOption.AllDirectories);
            //    Console.WriteLine(string.Join("\n", foldersFound));

            //    foreach (var folder in foldersFound)
            //    {
            //        var srcFile = session[InstalledExpertFolderProperty] + MtApiFile;
            //        var destFile = folder + DestinationExpertFolder + MtApiFile;

            //        session.Log(string.Format("Try to copy from {0} to {1}", srcFile, destFile));

            //        try
            //        {
            //            File.Copy(srcFile, destFile, true);
            //        }
            //        catch (Exception e)
            //        {
            //            session.Log(string.Format("Failed to copy MtApi4.ex4. {0}", e.Message));
            //        }

            //        session.Log(string.Format("MtApi.ex4 has been coppied to {0}", destFile));
            //    }
            //}
            //else
            //{
            //    session.Log("MetaTrader is not installed");
            //}

            return ActionResult.Success;
        }
    }
}