private void button8_Click(object sender, EventArgs e)
{
hideUnwantedForms();
Sales_History sh = Sales_History.getSalesHistory(splitContainer1, this);
sh.Location = new Point((splitContainer1.Panel2.Width - sh.Width) / 2, (splitContainer1.Panel2.Height - sh.Height) / 2);
sh.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
sh.Show();
}
public static Sales_History getSalesHistory(SplitContainer s, Form f)
{
if (sh == null || sh.IsDisposed)
{
sh = new Sales_History();
sh.MdiParent = f;
s.Panel2.Controls.Add(sh);
return(sh);
}
else
{
return(sh);
}
}