private void btnAddSupplier_Click(object sender, EventArgs e) { using (M_Suppilier ms = new M_Suppilier()) { ms.ShowDialog(); } }
private void bunifuFlatButton1_Click(object sender, EventArgs e) { foreach (Form form in Application.OpenForms) { if (form.GetType().Name == "M_Suppilier") { MetroMessageBox.Show(this, "Form is already opened", "System Message!", MessageBoxButtons.OKCancel, MessageBoxIcon.Error); return; } } using (M_Suppilier ms = new M_Suppilier()) { ms.ShowDialog(); } }