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public partial class frmMain : Form
    {
        public string[] argparams;

        public frmMain()
        {
            argparams = Environment.GetCommandLineArgs();
            InitializeComponent();

        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            string vplocation;
            string defaultvp = Application.StartupPath + "default.vp1";

            try
            {
                if (argparams.Length > 1)
                {
                    if (File.Exists(Application.StartupPath + argparams[1]))
                    {
                        vplocation = Application.StartupPath + argparams[1];
                    }
                    else
                    {
                        //we couldnt find a default.vp1 or the file specified with args in our app.startuppath
                        //last resort, check if the full path is specified
                        if (File.Exists(argparams[1]))
                        {
                            vplocation = argparams[1];
                        }
                    }
                }
                else
                {
                    if (File.Exists(defaultvp))
                    {
                        //if our default.vp1 exists, continue loading it
                        vplocation = defaultvp;
                    }
                }
            }
            catch (Exception errordata)
            {
                MessageBox.Show("an error occured" + errordata.Message, "Error");
            }
        }

        public void vpScriptnotfound()
        {
            MessageBox.Show("No vpscript file found, or specified", "Error: VP terminated");
        }
    }