public class DLLWrapper{///<summary>/// API LoadLibrary///</summary>[DllImport("Kernel32")]public static extern int LoadLibrary(String funcname);///<summary>/// API GetProcAddress///</summary>[DllImport("Kernel32")]public static extern int GetProcAddress(int handle, String funcname);///<summary>/// API FreeLibrary///</summary>[DllImport("Kernel32")]public static extern int FreeLibrary(int handle);///<summary>///通过非托管函数名转换为对应的委托, by jingzhongrong///</summary>///<param name="dllModule">Get DLL handle by LoadLibrary</param>///<param name="functionName">Unmanaged function name</param>///<param name="t">ManageR type对应的委托类型</param>///<returns>委托实例，可强制转换为适当的委托类型</returns>public static Delegate GetFunctionAddress(int dllModule, string functionName, Type t){int address = GetProcAddress(dllModule, functionName);if (address == 0)return null;elsereturn Marshal.GetDelegateForFunctionPointer(new IntPtr(address), t);}///<summary>///将表示函数地址的IntPtr实例转换成对应的委托, by jingzhongrong///</summary>public static Delegate GetDelegateFromIntPtr(IntPtr address, Type t){if (address == IntPtr.Zero)return null;elsereturn Marshal.GetDelegateForFunctionPointer(address, t);}///<summary>///将表示函数地址的int转换成对应的委托，by jingzhongrong///</summary>public static Delegate GetDelegateFromIntPtr(int address, Type t){if (address == 0)return null;elsereturn Marshal.GetDelegateForFunctionPointer(new IntPtr(address), t);}}

    delegate void _amDBRSetThermoModel(int mid, ref int errid);

    private int hModule(){int _hModule = DLLWrapper.LoadLibrary(DLLPATH);if (_hModule == 0){return 0;}return _hModule;}private void amDBRInitialize(){try{_amDBRInitialize amf = (_amDBRInitialize)DLLWrapper.GetFunctionAddress(hModule(), "amDBRInitialize", typeof(_amDBRInitialize));amf();}catch (Exception e){throw e;}}