Delphi中方法定义
function CoDoorIntfFactory: IDoorIntfFactory; stdcall;
接口定义
IDoorIntfFactory = interface(IInterface)
['{F573C1C3-E0FD-44F4-8A32-4337B2FCF680}']
function CreateDDB(_host: wideString; _port: Integer): IDoorIntf; stdcall; end;
C#中实现
接口定义
[DllImport("DoorIntf.dll", EntryPoint = "CoDoorIntfFactory", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
//public static extern IDoorIntfFactory CoDoorIntfFactory();
public static extern void CoDoorIntfFactory([MarshalAs(UnmanagedType.Interface)] out IDoorIntfFactory instance);
方法调用
IDoorIntfFactory factory;
IAPApi.CoDoorIntfFactory(out factory);//调用成功,并返回IDoorIntfFactory
IDoorIntf xxx = factory.CreateDDB(dataIP, 0); //执行CreateDDB的时候无法执行。
报错了,调用不了,求大神助攻。
备注:1、无法直接引用com的dll
2、通过注册的方式也不行(regsvr32.exe DelphiCom.dll )