private void btnSubjects_Click(object sender, EventArgs e)
{
frmSubjects frm = new frmSubjects();
frm.Show();
this.Hide();
}
private void toolStripMenuItem4_Click(object sender, EventArgs e)
{
try
{
frmSubjects frm = new frmSubjects();
frmSubjects open = Application.OpenForms["frmSubjects"] as frmSubjects;
if (open == null)
{
frm.MdiParent = this;
frm.Show();
}
else
{
open.Activate();
if (open.WindowState == FormWindowState.Minimized)
{
open.WindowState = FormWindowState.Normal;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}