private void BtnEmpresa_Click(object sender, EventArgs e) { var o = new FrmEmpresa(); o.MdiParent = MdiParent; o.Show(); }
private void menuEmpresa_Click(object sender, EventArgs e) { bool found = false; foreach (Form form in Application.OpenForms) { if (form is FrmEmpresa) { form.Focus(); found = true; } } if (!found) { FrmEmpresa frmEmpresa = new FrmEmpresa(); frmEmpresa.MdiParent = this; frmEmpresa.Show(); } }