void ShowBackupForm()
{
frmbackup main = new frmbackup();
main.WindowState = FormWindowState.Maximized;
main.ShowDialog();
}
private void btiTXBackup_Click(object sender, EventArgs e)
{
if (activeFrom[13] == 13)
{
activeFrom[13] = 0;
frmbackup frm = new frmbackup();
frm.MdiParent = this;
frm.WindowState = FormWindowState.Maximized;
frm.Show();
}
//frmShow(new frmbackup(),13);
}