private void comprasToolStripMenuItem_Click(object sender, EventArgs e)
{
Buys buys = new Buys {
MdiParent = this.MdiParent
};
buys.Show();
}
private void button4_Click(object sender, EventArgs e)
{
Buys buys = new Buys {
MdiParent = this.MdiParent
};
buys.Show();
}
private void button2_Click(object sender, EventArgs e)
{
Buys b = new Buys();
b.Show();
}