ImageGlass.frmMain.CopyMultiFile C# (CSharp) Method

        private void CopyMultiFile()
        {
            try
            {
                if (GlobalSetting.IsImageError || !File.Exists(GlobalSetting.ImageList.GetFileName(GlobalSetting.CurrentIndex)))
                {
                    return;
                }
            }
            catch { return; }

            //get filename
            string filename = GlobalSetting.ImageList.GetFileName(GlobalSetting.CurrentIndex);

            //exit if duplicated filename
            if (GlobalSetting.StringClipboard.IndexOf(filename) != -1)
            {
                return;
            }

            //add filename to clipboard
            GlobalSetting.StringClipboard.Add(filename);
            Clipboard.SetFileDropList(GlobalSetting.StringClipboard);

            DisplayTextMessage(
                string.Format(GlobalSetting.LangPack.Items["frmMain._CopyFileText"],
                GlobalSetting.StringClipboard.Count), 1000);
        }