關閉程式使程式最小化

       private void 顯示程序ToolStripMenuItem_Click(object sender, EventArgs e)
        ...{
            if (顯示程序ToolStripMenuItem.Checked==false)
            ...{
                this.Show();
                this.WindowState = System.Windows.Forms.FormWindowState.Normal;
                this.ShowInTaskbar = true;
                bclose = false;
                顯示程序ToolStripMenuItem.Checked = true;
            }
            else
            ...{
                this.Hide();
                this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
                bclose = true;
                顯示程序ToolStripMenuItem.Checked = false;
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        ...{
            if (!bclose)
            ...{
                this.Hide();
                this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
                e.Cancel = true;
                bclose = true;
                顯示程序ToolStripMenuItem.Checked = false;
            }
        }

       private void 退出程序ToolStripMenuItem_Click(object sender, EventArgs e)
        ...{
            bclose = true;
            Application.Exit();
        }