private void btnTypeOfBookManage_Click(object sender, EventArgs e) { TypeOfBookGUI typeOfBookGUI = new TypeOfBookGUI(); if (IsFormAlreadyOpen(typeof(TypeOfBookGUI)) == null) { typeOfBookGUI = new TypeOfBookGUI(); typeOfBookGUI.Show(); } }
private void mnuiTypeOfBook_Click(object sender, EventArgs e) { TypeOfBookGUI typeOfBookGUI = new TypeOfBookGUI(); typeOfBookGUI.Show(); }