private void btCheck_Click(object sender, EventArgs e)
{
if (f == null)
{
f = new FCheckKnowLedge();
f.MdiParent = this;
f.FormClosed += new FormClosedEventHandler(Check_Close);
HideElement();
f.Show();
}
else
{
f.Activate();
}
f.WindowState = FormWindowState.Maximized;
}
private void Check_Close(object sender, FormClosedEventArgs e)
{
ShowElement();
f = null;
}