WindowsLibrary.h

[詳解]

// ----------------------------------------------------------------------------
 
#pragma once
 
#include <Windows.h>
#include <tchar.h>
 
#ifdef WINDOWSLIBRARY_EXPORTS
#pragma message("DLL EXPORTING...")
#ifndef DLL_DECLSPEC
#define DLL_DECLSPEC __declspec(dllexport)
#endif
#else
#ifndef DLL_DECLSPEC
#define DLL_DECLSPEC __declspec(dllimport)
#endif
#pragma comment(lib, "WindowsLibrary")
#pragma message("WindowsLibrary is now importing...")
#endif
 
BOOL APIENTRY DllMain (
    HMODULE hModule, DWORD dwReasonForCall, LPVOID lpvReserved);
 
namespace alt
{
    class DLL_DECLSPEC WindowsLibrary
    {
    public:
        APIENTRY WindowsLibrary () { _dwErrorNo = ERROR_SUCCESS; };
 
        virtual APIENTRY ~WindowsLibrary () {};
 
        virtual VOID APIENTRY SetErrNo ();
 
        virtual DWORD APIENTRY GetErrNo () const { return _dwErrorNo; };
 
    protected:
        DWORD _dwErrorNo;
    };
 
    class DLL_DECLSPEC HandleLibrary : public WindowsLibrary
    {
    public:
        APIENTRY HandleLibrary ();
 
        APIENTRY ~HandleLibrary ();
 
        HANDLE APIENTRY GetHandle () const;
 
        BOOL APIENTRY Close ();
 
    protected:
        HANDLE _hObject;
    };
 
    class DLL_DECLSPEC ReadWriteHandleLibrary : public HandleLibrary
    {
    public:
        DWORD APIENTRY Read (LPVOID lpvBuffer, DWORD dwSize) const;
 
        DWORD APIENTRY Write (LPCVOID lpcvBuffer, DWORD dwSize) const;
 
        BOOL APIENTRY Flush () const;
    };
 
    class DLL_DECLSPEC WaitableHandleLibrary : public HandleLibrary
    {
    public:
        DWORD APIENTRY Wait (DWORD dwWaitTime = INFINITE) const;
    };
}