关于线程 Abort 导致的问题

 1 Thread t = null;
 2 
 3 t = new Thread(new ThreadStart(
 4 delegate
 5 {
 6 try
 7 {
 8 //...
 9 frm.ShowDialog();//报错
10 }
11 catch (ThreadAbortException ex)
12 {
13 Debug.WriteLine(ex.ToString());
14 }
15 catch (Exception ex)
16 {
17 Debug.WriteLine(ex.ToString());
18 }
19 
20 }
21 )
22 );

try
{
    if (one.thread.IsAlive)
    {
        one.thread.Abort();
        //one.thread.Join();
    }
}
catch (ThreadAbortException ex)
{
    Debug.WriteLine(ex.ToString());
}
catch (Exception ex)
{
    Debug.WriteLine(ex.ToString());
}