private void ShowNewForm(object sender, EventArgs e)
{
AddCategory ac = new AddCategory();
ac.MdiParent = this;
ac.StartPosition = FormStartPosition.Manual;
ac.Location = new Point(Location.X + (Width - ac.Width) / 2, Location.Y + (Height - ac.Height) / 2);
ac.Show();
}
private void button1_Click(object sender, EventArgs e)
{
AddCategory ac = new AddCategory();
ac.Show();
}
