delphi中apllication的processmessage方法的必要性

Application.ProcessMessages的作用是让Application去处理消息队伍中的消息。举例说明它的用处：你有一程序，要做一循环，

You probably ought to ask in a Borland forum.  But it sounds exactly like MFC's AfxPumpMessage() or .NET's Application::DoEvents().  In other words, dispatch messages while PeekMessage() returns TRUE.Hans Passant.

详细文档英文资料：http://www.hur.cn/special/delphiprogram/08097.htm