获取某个进程的主窗口以及创建此进程的程序名。获取主窗口的目的是向窗口发送各种消息。获取启动进程的程序名可以控制对进程的操作。但是有些进程往往有多个主窗口。资源管理器（Explorer.exe）也有不止一个主窗口。如图一所示，资源管理器有两个主窗口。一般来讲，想要获取主窗口，凭窗口的式样或类名，你没有什么办法知道哪一个窗口是真正意义上的主窗口。-Get the main window as well as a process of creating this process, the program name. The purpose is to get the main window to send various messages to the window. Get the name of the program to start the process to control the operation of the process. However, some processes are often more than one main window. Explorer (Explorer.exe) also have more than one main window. Figure 1 below, the Explorer has two main window. In general, you want to get the main window, with the style or class name of the window, you do not have any way to know which window is the main window in the true sense.