private void buttonBukuBesar_Click(object sender, EventArgs e) { Form form = Application.OpenForms["FormLaporanBukuBesar"]; if (form == null) { FormLaporanBukuBesar fp = new FormLaporanBukuBesar(); fp.MdiParent = this; fp.Show(); } else { form.Show(); form.BringToFront(); } }
private void buttonPelanggan_Click(object sender, EventArgs e) { Form form = Application.OpenForms["FormDaftarPelanggan"]; if (form == null) { FormLaporanBukuBesar frmPelanggan = new FormLaporanBukuBesar(); frmPelanggan.MdiParent = this; frmPelanggan.Show(); } else { form.Show(); form.BringToFront(); } }