private void addNewBooksToolStripMenuItem_Click(object sender, EventArgs e) { bool Isopen = false; foreach (Form f in Application.OpenForms) { if (f.Text == "add_books") { Isopen = true; f.BringToFront(); break; } } if (Isopen == false) { add_books ab = new add_books(); ab.Show(); } }
private void addNewBooksToolStripMenuItem_Click(object sender, EventArgs e) { add_books ab = new add_books(); ab.Show(); }
private void addBooks_Click(object sender, EventArgs e) { add_books addBooksForm = new add_books(); addBooksForm.Show(); }