private void btn_edit_Click(object sender, EventArgs e)
{
btn_edit.Enabled = false;
form_element f = new form_element();
f.Owner = this;
f.Show();
}
private void form_main_LocationChanged(object sender, EventArgs e)
{
if (this.OwnedForms.Count() > 0)
{
form_element f = (form_element)this.OwnedForms[0];
f.Location = new Point(this.Location.X + this.Size.Width, this.Location.Y);
}
}