cWndDesktop.h

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//
//
 
#ifndef _INC_cWndDesktop_H
#define _INC_cWndDesktop_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "../GrayLibBase.h"
 
#if defined(_WIN32) && ! defined(UNDER_CE)
#include "GrayCore/include/cOSHandle.h"
#include "GrayCore/include/cThreadLock.h" // cThreadId
#include "GrayCore/include/cHandlePtr.h"
 
namespace Gray
{
        template <> inline void cHandlePtr<HWINSTA>::CloseHandle(HWINSTA h) // static
        {
                ::CloseWindowStation(h); // ignored BOOL return.
        }
        template <> inline void cHandlePtr<HDESK>::CloseHandle(HDESK h) // static
        {
                ::CloseDesktop(h); // ignored BOOL return.
        }
}
 
namespace GrayLib
{
        template< typename _TYPE_HAND >
        class cWndDesktopT : public cHandlePtr<_TYPE_HAND>
        {
 
        public:
                bool SetUserObjectInformationX(void* pvInfo, DWORD nLength, int nIndex = 0)
                {
                        return _GTN(::SetUserObjectInformation)(this->get_Handle(), nIndex, pvInfo, nLength);
                }
        };
 
        class GRAYLIB_LINK cWndWinStation : public cWndDesktopT<HWINSTA>
        {
        public:
                cWndWinStation(void);
                ~cWndWinStation(void);
                HRESULT OpenWindowStationX(const FILECHAR_t* pszName, ACCESS_MASK dwDesiredAccess = STANDARD_RIGHTS_READ);
 
                bool SetProcessWindowStation()
                {
                        return ::SetProcessWindowStation(this->get_Handle());
                }
                static HWINSTA inline GetProcessWindowStation()
                {
                        return ::GetProcessWindowStation();
                }
        };
 
        class GRAYLIB_LINK cWndDesktop : public cWndDesktopT<HDESK>
        {
 
        public:
                cWndDesktop(void);
                ~cWndDesktop(void);
 
                HRESULT OpenDesktopX(const FILECHAR_t* pszName, ACCESS_MASK dwDesiredAccess = STANDARD_RIGHTS_READ);
                HRESULT OpenCreateDesktop(const FILECHAR_t* pszName);
 
                static HDESK inline GetThreadDesktop(THREADID_t dwThreadId) noexcept
                {
                        return ::GetThreadDesktop(dwThreadId);
                }
        };
};
#endif
#endif // _INC_cWndDesktop_H