private void btnLoadModpack_Click(object sender, EventArgs e) { string path; using (OpenFileDialog file = new OpenFileDialog()) { file.Filter = "AA2 Modpack file (*.a2m)|*.a2m|All Files (*.*)|*.*"; if (file.ShowDialog() != DialogResult.OK) return; path = file.FileName; } Modpack pack = new Modpack(path); using (formLoadModpack f = new formLoadModpack(pack)) f.ShowDialog(); }