private void NewToolStripMenuItem_Click(object sender, EventArgs e) { if (textChanged) { DialogResult result; result = MessageBox.Show( "Czy chcesz zapisać zmiany", "Edytor", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1); if (result == DialogResult.Yes) { SaveToolStripMenuItem_Click(sender, e); textChanged = false; EditorTextBox.Clear(); } if (result == DialogResult.No) { EditorTextBox.Clear(); textChanged = false; } } else { EditorTextBox.Clear(); } }