private void btn_alarm_Click(object sender, EventArgs e)
{
ButtonReset();
if (ActiveMdiChild != null)
{
if (this.ActiveMdiChild != mchildForm_Alarm)
{
//ActiveMdiChild.Close();
ActiveMdiChild.Hide();
}
mchildForm_Alarm = ShowActiveForm(mchildForm_Alarm, typeof(alarm)) as alarm;
mchildForm_Alarm.Show();
}
else
{
mchildForm_Alarm = ShowActiveForm(mchildForm_Alarm, typeof(alarm)) as alarm;
mchildForm_Alarm.Show();
}
btn_alarm.BackColor = Color.Red;
}
