private void tsmenuItemSystem_Click(object sender, EventArgs e)
{
Form fc = Application.OpenForms["FormConnectionManager"];
if (fc == null)
{
FormConnectionManager connectionMan = new FormConnectionManager();
connectionMan.MdiParent = this;
connectionMan.Show();
}
else
{
fc.BringToFront();
}
}
private void connectionManageToolStripMenuItem_Click(object sender, EventArgs e)
{
FormConnectionManager connectionMan = new FormConnectionManager();
connectionMan.Show();
}