CrystalMpq.Explorer.MainForm.OpenArchive C# (CSharp) Method

        private void OpenArchive(string filename)
        {
            ClearView();

            if (fileSystem != null) fileSystem.Dispose();
            fileSystem = null;

            try
            {

                var mpqFileSystem = new MpqFileSystem();

                mpqFileSystem.Archives.Add(new MpqArchive(filename));

                fileSystem = mpqFileSystem;

                SetTitle(filename);
                FillTreeView();

                saveAsToolStripMenuItem.Enabled = true;
                saveAsToolStripButton.Enabled = true;
            }
            catch (Exception ex) { ErrorDialog(ex.ToString()); }
        }