private void buttonRemove_Click(object sender, EventArgs e) { if (listBoxTypeOfPosts.SelectedIndex != -1) { string typeOfPost = listBoxTypeOfPosts.SelectedItem.ToString(); var directoryTypeOfPost = _qt.GetDirectoryTypeOfPost(typeOfPost); if (IsValidateRemove(directoryTypeOfPost)) { _qt.RemoveDirectoryTypeOfPost(directoryTypeOfPost); _qt.Save(); FormFill(); } } }