C / C++ / MFC

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

// import code

declspec(dllimport) void foo();
 
namespace A
{
  using foo;
}

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

class IEnumPLCDevices
{
public:
    virtual DWORD GetPLCList(int* nArray, int& nAmountOfDevices) = 0;
};<DIV>

class IConnectPLCDevice
{
public:
    virtual DWORD ConnectToDevice(int nIndex, IPLCDevice** plcDeviceInterface) = 0;
};<DIV>

class IPLCDevice
{
public:
    virtual DWORD Read(int nByteCount, void** pDestination) = 0;
    virtual DWORD Write(int nByteCount, void* pSource) = 0;
};<DIV>

class PrivatePLCCollection : public IEnumPLCDevices, public IConnectPLCDevice, public IPLCDevice
{
public:
   .
   // Implementation of the virtual methods to enumerate, connect and interact with the devices
   // A routine which will return the required interface pointer
   .
};