private void cadastroMarcaToolStripMenuItem_Click(object sender, EventArgs e) { if (Application.OpenForms.OfType<FrmCadastroMarcas>().Count() > 0) { Application.OpenForms.OfType<FrmCadastroMarcas>().First().Focus(); } else { FrmCadastroMarcas CadastroMarcas = new FrmCadastroMarcas(); CadastroMarcas.MdiParent = this; CadastroMarcas.Show(); } }
private void cadastroMarcaToolStripMenuItem_Click(object sender, EventArgs e) { if (Application.OpenForms.OfType <FrmCadastroMarcas>().Count() > 0) { Application.OpenForms.OfType <FrmCadastroMarcas>().First().Focus(); } else { FrmCadastroMarcas CadastroMarcas = new FrmCadastroMarcas(); CadastroMarcas.MdiParent = this; CadastroMarcas.Show(); } }