使用C#语言类似于实现VC++的CWnd类，对非托管的窗体进行控制的实现代理。有时候C#要对非托管代码或其它进程进行互操作，这个类很有帮助。-Using the C# language is similar to VC++ implementation of CWnd classes, the form of non-managed the realization of control agents. Sometimes, C# to unmanaged code, or other proce