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romkazvo
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Editor/XT/Include/XTOSVersionInfo.h
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176
Editor/XT/Include/XTOSVersionInfo.h
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// XTOSVersionInfo.h: interface for the CXTOSVersionInfo class.
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//
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// This file is a part of the Xtreme Toolkit for MFC.
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// <20>1998-2003 Codejock Software, All Rights Reserved.
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//
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// This source code can only be used under the terms and conditions
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// outlined in the accompanying license agreement.
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//
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// support@codejock.com
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// http://www.codejock.com
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(__XTOSVERSIONINFO_H__)
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#define __XTOSVERSIONINFO_H__
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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//////////////////////////////////////////////////////////////////////
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// Summary: CXTOSVersionInfo is a OSVERSIONINFO derived class. This class wraps
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// the Win32 API GetVersionEx(...), used to get the current Windows OS
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// version. CXTOSVersionInfo is a single instance, or "singleton" object,
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// that is accessed with the Get() method.
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class _XT_EXT_CLASS CXTOSVersionInfo : public OSVERSIONINFO
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{
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public:
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// Example: <pre>bool bIsWinNT = CXTOSVersionInfo::Get().IsWinNT4();</pre>
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// Summary: Call this member function to access the class members. Since this
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// class is designed as a single instance object you can only access version
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// info thru this static method. You <b>cannot</b> directly instantiate an object
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// of type CXTOSVersionInfo.
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static CXTOSVersionInfo &Get();
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// Returns: true if the OS is Windows 3.1, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows 3.1.
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bool IsWin31() const;
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// Returns: true if the OS is Windows 95, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows 95.
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bool IsWin95() const;
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// Returns: true if the OS is Windows 98, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows 98.
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bool IsWin98() const;
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// Returns: true if the OS is Windows ME, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows ME.
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bool IsWinME() const;
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// Returns: true if the OS is Windows NT 4, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows NT 4.
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bool IsWinNT4() const;
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// Returns: true if the OS is Windows 2000, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows 2000.
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bool IsWin2K() const;
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// Returns: true if the OS is Windows XP, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// Windows XP.
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bool IsWinXP() const;
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// Returns: true if the OS is greater than or equal to Windows 3.1, otherwise returns
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// false.
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// Summary: Call this member function to check to see if the operating system is
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// greater than or equal to Windows 3.1.
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bool IsWin31OrGreater() const;
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// Returns: true if the OS is of the Windows 9x family, and is Windows 95 or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows 9x family, and is Windows 95 or a later version.
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bool IsWin95OrGreater() const;
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// Returns: true if the OS is of the Windows 9x family, and is Windows 98 or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows 9x family, and is Windows 98 or a later version.
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bool IsWin98OrGreater() const;
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// Returns: true if the OS is of the Windows 9x family, and is Windows ME or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows 9x family, and is Windows ME or a later version.
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bool IsWinMEOrGreater() const;
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// Returns: true if the OS is of the Windows NT family, and is Windows NT 4 or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows NT family, and is Windows NT 4 or a later version.
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bool IsWinNT4OrGreater() const;
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// Returns: true if the OS is of the Windows NT family, and is Windows 2000 or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows NT family, and is Windows 2000 or a later version.
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bool IsWin2KOrGreater() const;
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// Returns: true if the OS is of the Windows NT family, and is Windows XP or
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// a later version, otherwise returns false.
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// Summary: Call this member function to check to see if the operating system is
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// of the Windows NT family, and is Windows XP or a later version.
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bool IsWinXPOrGreater() const;
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private:
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// greater or equal a version number
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inline bool gte_ver(const DWORD maj, const DWORD min) const;
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inline bool eq_ver(const DWORD maj, const DWORD min) const;
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// Constructs a CXTOSVersionInfo object.
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CXTOSVersionInfo();
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};
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//////////////////////////////////////////////////////////////////////
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AFX_INLINE bool CXTOSVersionInfo::IsWin31() const {
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return (dwPlatformId == VER_PLATFORM_WIN32s);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin95() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && (dwMajorVersion == 4) && (dwMinorVersion < 10);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin98() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && eq_ver(4, 10);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinME() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && eq_ver(4, 90);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinNT4() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_NT) && eq_ver(4, 0);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin2K() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_NT) && eq_ver(5, 0);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinXP() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_NT) && eq_ver(5, 1);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin95OrGreater() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && (dwMajorVersion >= 4);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin98OrGreater() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && gte_ver(4, 10);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinMEOrGreater() const {
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return (dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) && gte_ver(4, 90);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinNT4OrGreater() const {
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return (dwPlatformId >= VER_PLATFORM_WIN32_NT) && (dwMajorVersion >= 4);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWin2KOrGreater() const {
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return (dwPlatformId >= VER_PLATFORM_WIN32_NT) && (dwMajorVersion >= 5);
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}
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AFX_INLINE bool CXTOSVersionInfo::IsWinXPOrGreater() const {
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return (dwPlatformId >= VER_PLATFORM_WIN32_NT) && gte_ver(5, 1);
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}
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AFX_INLINE bool CXTOSVersionInfo::gte_ver(const DWORD maj, const DWORD min) const {
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return (dwMajorVersion > maj) || (dwMajorVersion == maj && dwMinorVersion >= min);
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}
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AFX_INLINE bool CXTOSVersionInfo::eq_ver(const DWORD maj, const DWORD min) const {
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return (dwMajorVersion == maj) && (dwMinorVersion == min);
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}
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//////////////////////////////////////////////////////////////////////
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#endif // !defined(__XTOSVERSIONINFO_H__)
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