在.NET中，当我在另一个线程中运行表单时，如何设置STAThread？

I'm running a form in a second thread. If I do Ctrl-C to copy text on the clipboard, I get an Exception, "Current thread must be set to a single thread apartment (STA) before OLE calls can be made. (Using the clipboard involves OLE apparently).I'm running a form in a second thread. If I do