你可以声明一个c# class,其中一个成员是static 的RemotingYardDll成员。比如:class RemotingYardDll
{
   Draw();
}
class RemotingYardDllMgr
{
   static RemotingYardDll dll = new RemotingYardDll();
   Draw() { dll.Draw(); }
}...
//调用
RemotingYardDllMgr TmpRemotingDllClass = HuaObj.GetYardClass();
               ~~~
TmpRemotingDllClass.Draw();