openFileDialog.ShowDialog() 无法正常跳出！急!急!

Question

开发环境是win7，实施环境是xp

Answer 1

我已经确认过，肯定是执行了。但是，我在Form_load()里面有一个
while (true)
{/*其他执行*/;
Thread.Sleep(100);},Thread.是不是影响showDialog().

Answer 2

private void Form1_Load(object sender, EventArgs e)
        {
YjInOutThread = new Thread(YjInAndOut);
            YjInOutThread.Start();
}
private void YjInAndOut()
        {
            try
            {
                   /*其他执行*/
                    Thread.Sleep(100);
                }
            }
            catch (System.Threading.ThreadInterruptedException)
            {
            }
        }

Answer 3

private void Button1_Click(object sender, EventArgs e)
        {
openFileDialog1.Filter = "txt|*txt";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
}
}

Answer 4

怎样解决呢，出现同样问题
OpenFileDialog.ShowDialog()无法显示

Answer 5

我这也出现过。。用的.NET 2.0。。装上SP2就好了。