//双击公告
private void listBox1_MouseDoubleClick(object sender, MouseEventArgs e)
{
FmNewsDetail fmNewsDetail = new FmNewsDetail("公告内容", newsModelList[this.listBox1.SelectedIndex]);
fmNewsDetail.ShowDialog();
}
//修改公告
private void button4_Click(object sender, EventArgs e)
{
//bug:未选中之前点击会空指针
FmNewsDetail fmNewsDetail = new FmNewsDetail("修改内容", newsModelList[this.checkedListBox1.SelectedIndex],true);
fmNewsDetail.ShowDialog();
}