private void btProdVet_Click(object sender, EventArgs e) { Vetor3D vetorC = new Vetor3D(); Double xa = double.Parse(tbx1.Text); Double ya = double.Parse(tby1.Text); Double za = double.Parse(tbz1.Text); Vetor3D vetorA = new Vetor3D(xa, ya, za); Double xb = double.Parse(tbx2.Text); Double yb = double.Parse(tby2.Text); Double zb = double.Parse(tbz2.Text); Vetor3D vetorB = new Vetor3D(xb, yb, zb); vetorC = vetorA.prod_vet(vetorB); tbResultado.Text = "(" + vetorC.getX() + "," + vetorC.getY() + "," + vetorC.getZ() + ")"; }