private void init第四步() { if (tForm选定常用菜肴 == null) { tForm选定常用菜肴 = new Form选定常用菜肴(); } }
private void button6_Click(object sender, EventArgs e) { if (tForm选定常用菜肴 == null) { tForm选定常用菜肴 = new Form选定常用菜肴(); } DialogResult tDialogResult = tForm选定常用菜肴.ShowDialog(); }