public frmMain()
{
InitializeComponent();
frmBorrow b = new frmBorrow();
b.Show();
b.MdiParent = this;
b.WindowState = FormWindowState.Maximized;
}
private void borrowToolStripMenuItem_Click(object sender, EventArgs e)
{
bool exist = false;
foreach (Form b in this.MdiChildren)
{
if (b.Name == "frmBorrow")
{
b.Activate();
exist = true;
break;
}
}
if (!exist)
{
frmBorrow b = new frmBorrow();
b.MdiParent = this;
b.Show();
}
}