private void backUpToolStripMenuItem_Click(object sender, EventArgs e)
{
if (FrmBackUp == null)
{
FrmBackUp = new frmBackUp();
FrmBackUp.MdiParent = this;
FrmBackUp.ClientSize = new System.Drawing.Size(2000, 800);
this.WindowState = FormWindowState.Maximized;
FrmBackUp.FormBorderStyle = FormBorderStyle.None;
FrmBackUp.ControlBox = false;
FrmBackUp.MaximizeBox = false;
FrmBackUp.MinimizeBox = false;
FrmBackUp.ShowIcon = false;
FrmBackUp.FormClosed += FrmBackUp_FormClosed;;;
FrmBackUp.Dock = DockStyle.Fill;
FrmBackUp.Show();
}
else
{
FrmBackUp.Activate();
}
}
private void FrmBackUp_FormClosed(object sender, FormClosedEventArgs e)
{
FrmBackUp = null;
}