private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form8 sistema = new Form8();

            sistema.ShowDialog();
            this.Close();
        }
Exemple #2
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        private void  择题删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Visible = false;


            Form8 f8 = new Form8();

            f8.ShowDialog();
            this.Hide();
            this.Visible = true;
        }