如何使用VC来检测系统上的.NetFrameWork版本呢，原理见我前面刚刚写过，不懂的可以去看一下，下面直接贴代码了，百度呀，为什么没有贴代码的功能呢，哎直接贴真恶心呀，那就恶心一下吧。
#include “stdio.h”#include “windows.h”#include “tchar.h”#include “strsafe.h”#include “stdafx.h”
// 为避免机器编译时候出现：SDK中某些值没有被定义的情况，先定义他们。
#ifndef SM_TABLETPC#define SM_TABLETPC 86#endif#ifndef SM_MEDIACENTER
#define SM_MEDIACENTER 87#endif// 用于检测注册表项的名称和值名称的常量
const TCHAR *g_szNetfx10RegKeyName = _T(“Software\\Microsoft\\.NETFramework\\Policy\\v1.0″);const TCHAR *g_szNetfx10RegKeyValue = _T(“3705″);const TCHAR *g_szNetfx10SPxMSIRegKeyName = _T(“Software\\Microsoft\\Active Setup\\Installed Components\\{78705f0d-e8db-4b2d-8193-982bdda15ecd}”);const TCHAR *g_szNetfx10SPxOCMRegKeyName = _T(“Software\\Microsoft\\Active Setup\\Installed Components\\{FDC11A6F-17D1-48f9-9EA3-9051954BAA24}”);const TCHAR *g_szNetfx11RegKeyName = _T(“Software\\Microsoft\\NET Framework Setup\\NDP\\v1.1.4322″);const TCHAR *g_szNetfx20RegKeyName = _T(“Software\\Microsoft\\NET Framework Setup\\NDP\\v2.0.50727″);const TCHAR *g_szNetfx30RegKeyName = _T(“Software\\Microsoft\\NET Framework Setup\\NDP\\v3.0\\Setup”);const TCHAR *g_szNetfx30SpRegKeyName = _T(“Software\\Microsoft\\NET Framework Setup\\NDP\\v3.0″);const TCHAR *g_szNetfx30RegValueName = _T(“InstallSuccess”);const TCHAR *g_szNetfx35RegKeyName = _T(“Software\\Microsoft\\NET Framework Setup\\NDP\\v3.5″);const TCHAR *g_szNetfxStandardRegValueName = _T(“Install”);const TCHAR *g_szNetfxStandardSPxRegValueName = _T(“SP”);const TCHAR *g_szNetfxStandardVersionRegValueName = _T(“Version”);// .NET Framework 3.0最终版本的版本信息
const int g_iNetfx30VersionMajor = 3;const int g_iNetfx30VersionMinor = 0;const int g_iNetfx30VersionBuild = 4506;const int g_iNetfx30VersionRevision = 26;// .NET Framework 3.5最终版本的版本信息
const int g_iNetfx35VersionMajor = 3;const int g_iNetfx35VersionMinor = 5;const int g_iNetfx35VersionBuild = 21022;const int g_iNetfx35VersionRevision = 8;// 函数原型声明
bool CheckNetfxBuildNumber(const TCHAR*, const TCHAR*, const int, const int, const int, const int);int GetNetfx10SPLevel();int GetNetfxSPLevel(const TCHAR*, const TCHAR*);bool IsCurrentOSTabletMedCenter();bool IsNetfx10Installed();bool IsNetfx11Installed();bool IsNetfx20Installed();bool IsNetfx30Installed();bool IsNetfx35Installed();bool RegistryGetValue(HKEY, const TCHAR*, const TCHAR*, DWORD, LPBYTE, DWORD);/******************************************************************
Function Name: 判断.NET Framework 1.0是否安装Description: Uses the detection method recommended at[url]http://msdn.microsoft.com/library/ms994349.aspx[/url]to determine whether the .NET Framework 1.0 isinstalled on the machineInputs: NONEResults: .NET Framework 1.0已安装返回TRUE否则返回FALSE******************************************************************/bool IsNetfx10Installed(){ TCHAR szRegValue[MAX_PATH];return (RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx10RegKeyName, g_szNetfx10RegKeyValue, NULL, (LPBYTE)szRegValue, MAX_PATH));}/******************************************************************
Function Name: 判断.NET Framework 1.1是否安装Description: Uses the detection method recommended at[url]http://msdn.microsoft.com/library/ms994339.aspx[/url]to determine whether the .NET Framework 1.1 isinstalled on the machineInputs: NONEResults: .NET Framework 1.1已安装返回TRUE否则返回FALSE******************************************************************/bool IsNetfx11Installed(){ bool bRetValue = false;DWORD dwRegValue=0;if (RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx11RegKeyName, g_szNetfxStandardRegValueName, NULL, (LPBYTE)&dwRegValue, sizeof(DWORD)))
{ if (1 == dwRegValue)bRetValue = true;}return bRetValue;
}/******************************************************************
Function Name: 判断.NET Framework 2.0是否安装Description: Uses the detection method recommended at[url]http://msdn.microsoft.com/library/aa480243.aspx[/url]to determine whether the .NET Framework 2.0 isinstalled on the machineInputs: NONEResults: .NET Framework 2.0已安装返回TRUE否则返回FALSE******************************************************************/bool IsNetfx20Installed(){ bool bRetValue = false;DWORD dwRegValue=0;if (RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx20RegKeyName, g_szNetfxStandardRegValueName, NULL, (LPBYTE)&dwRegValue, sizeof(DWORD)))
{ if (1 == dwRegValue)bRetValue = true;}return bRetValue;
}/******************************************************************
Function Name: 判断.NET Framework 3.0是否安装Description: Uses the detection method recommended at[url]http://msdn.microsoft.com/library/aa964979.aspx[/url]to determine whether the .NET Framework 3.0 isinstalled on the machineInputs: NONEResults: .NET Framework 3.0已安装返回TRUE否则返回FALSE******************************************************************/bool IsNetfx30Installed(){ bool bRetValue = false;DWORD dwRegValue=0;// 检查InstallSuccess注册表值存在，等于1
if (RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx30RegKeyName, g_szNetfx30RegValueName, NULL, (LPBYTE)&dwRegValue, sizeof(DWORD))){ if (1 == dwRegValue)bRetValue = true;}//补充核查，检查版本列出的版本号在注册表中，是否已有预发布版的 .NET Framework 3.0 InstallSuccess值。
return (bRetValue && CheckNetfxBuildNumber(g_szNetfx30RegKeyName, g_szNetfxStandardVersionRegValueName, g_iNetfx30VersionMajor, g_iNetfx30VersionMinor, g_iNetfx30VersionBuild, g_iNetfx30VersionRevision));}/******************************************************************
Function Name: 判断.NET Framework 3.5是否安装Description: Uses the detection method recommended at[url]http://msdn.microsoft.com/library/cc160716.aspx[/url]to determine whether the .NET Framework 3.5 isinstalled on the machineInputs: NONEResults: .NET Framework 3.5已安装返回TRUE否则返回FALSE******************************************************************/bool IsNetfx35Installed(){ bool bRetValue = false;DWORD dwRegValue=0;// 检查安装的注册表值存在，等于1
if (RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx35RegKeyName, g_szNetfxStandardRegValueName, NULL, (LPBYTE)&dwRegValue, sizeof(DWORD))){ if (1 == dwRegValue)bRetValue = true;}// 补充核查，检查版本列出的版本号在注册表中，是否已有预发布版的 .NET Framework 3.5 InstallSuccess值。
return (bRetValue && CheckNetfxBuildNumber(g_szNetfx35RegKeyName, g_szNetfxStandardVersionRegValueName, g_iNetfx35VersionMajor, g_iNetfx35VersionMinor, g_iNetfx35VersionBuild, g_iNetfx35VersionRevision));}/******************************************************************
Function Name: 获取.NET Framework 1.0 SP 的版本Description: Uses the detection method recommended at[url]http://blogs.msdn.com/astebner/archive/2004/09/14/229802.aspx[/url]to determine what service pack for the.NET Framework 1.0 is installed on the machineInputs: NONEResults: integer representing SP level for .NET Framework 1.0******************************************************************/int GetNetfx10SPLevel(){ TCHAR szRegValue[MAX_PATH];TCHAR *pszSPLevel = NULL;int iRetValue = -1;bool bRegistryRetVal = false;//需要检测操作系统上注册表项SP的版本
if (IsCurrentOSTabletMedCenter())bRegistryRetVal = RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx10SPxOCMRegKeyName, g_szNetfxStandardVersionRegValueName, NULL, (LPBYTE)szRegValue, MAX_PATH);elsebRegistryRetVal = RegistryGetValue(HKEY_LOCAL_MACHINE, g_szNetfx10SPxMSIRegKeyName, g_szNetfxStandardVersionRegValueName, NULL, (LPBYTE)szRegValue, MAX_PATH);if (bRegistryRetVal)
{ // 格式化SP版本号： #,#,#####,#pszSPLevel = _tcsrchr(szRegValue, _T(‘,’));if (NULL != pszSPLevel){ // 增量指针跳过逗号pszSPLevel++;// 转换值为整数
iRetValue = _tstoi(pszSPLevel);}}return iRetValue;
}/******************************************************************
Function Name: 获取.NET Framework SP 的版本Description: 确定哪些已安装Service Pack的版本。 NET框架使用基于注册表检测方法的记载。 NET Framework的部署指南。Inputs: pszNetfxRegKeyName – registry key name to use for detectionpszNetfxRegValueName – registry value to use for detectionResults: integer representing SP level for .NET Framework******************************************************************/int GetNetfxSPLevel(const TCHAR *pszNetfxRegKeyName, const TCHAR *pszNetfxRegValueName){ DWORD dwRegValue=0;if (RegistryGetValue(HKEY_LOCAL_MACHINE, pszNetfxRegKeyName, pszNetfxRegValueName, NULL, (LPBYTE)&dwRegValue, sizeof(DWORD)))
{ return (int)dwRegValue;}// 从注册表检索 .NET框架未安装或有某种错误的数据
return -1;}/******************************************************************
Function Name: 获取.NET Framework 编译版本Description: 从注册表检索 .NET Framework 的版本号，验证这不是一个预发布版本号Inputs: NONEResults: true if the build number in the registry is greaterthan or equal to the passed in version; false otherwise******************************************************************/bool CheckNetfxBuildNumber(const TCHAR *pszNetfxRegKeyName, const TCHAR *pszNetfxRegKeyValue, const int iRequestedVersionMajor, const int iRequestedVersionMinor, const int iRequestedVersionBuild, const int iRequestedVersionRevision){ TCHAR szRegValue[MAX_PATH];TCHAR *pszToken = NULL;TCHAR *pszNextToken = NULL;int iVersionPartCounter = 0;int iRegistryVersionMajor = 0;int iRegistryVersionMinor = 0;int iRegistryVersionBuild = 0;int iRegistryVersionRevision = 0;bool bRegistryRetVal = false;// 尝试建立一些注册表值
bRegistryRetVal = RegistryGetValue(HKEY_LOCAL_MACHINE, pszNetfxRegKeyName, pszNetfxRegKeyValue, NULL, (LPBYTE)szRegValue, MAX_PATH);if (bRegistryRetVal)
{ // 此注册表值应的格式#.#.#####.##.尝试解析4部分版本浏览pszToken = _tcstok_s(szRegValue, _T(“.”), &pszNextToken);while (NULL != pszToken){ iVersionPartCounter++;switch (iVersionPartCounter)
{ case 1:// 转换主要版本为整数iRegistryVersionMajor = _tstoi(pszToken);
break;case 2:// 转换次要版本值为整数iRegistryVersionMinor = _tstoi(pszToken);break;case 3:// 转换编译版本值为整数iRegistryVersionBuild = _tstoi(pszToken);break;case 4:// 转换版本号值为整数iRegistryVersionRevision = _tstoi(pszToken);break;default:break;}
// 获取其它部分的版本号
pszToken = _tcstok_s(NULL, _T(“.”), &pszNextToken);}}// Compare the version number retrieved from the registry with
// the version number of the final release of the .NET Framework 3.0//从注册表中检索最后发布的 .NET Framework 3.0 的版本号码，比较版本号码if (iRegistryVersionMajor > iRequestedVersionMajor){ return true;}else if (iRegistryVersionMajor == iRequestedVersionMajor){ if (iRegistryVersionMinor > iRequestedVersionMinor){ return true;}else if (iRegistryVersionMinor == iRequestedVersionMinor){ if (iRegistryVersionBuild > iRequestedVersionBuild){ return true;}else if (iRegistryVersionBuild == iRequestedVersionBuild){ if (iRegistryVersionRevision >= iRequestedVersionRevision){ return true;}}}}// If we get here, the version in the registry must be less than the
// version of the final release of the .NET Framework we are checking,// so return falsereturn false;}bool IsCurrentOSTabletMedCenter()
{ // Use GetSystemMetrics to detect if we are on a Tablet PC or Media Center OSreturn ( (GetSystemMetrics(SM_TABLETPC) != 0) || (GetSystemMetrics(SM_MEDIACENTER) != 0) );}/******************************************************************
Function Name: RegistryGetValueDescription: Get the value of a reg keyInputs: HKEY hk – The hk of the key to retrieveTCHAR *pszKey – Name of the key to retrieveTCHAR *pszValue – The value that will be retrievedDWORD dwType – The type of the value that will be retrievedLPBYTE data – A buffer to save the retrieved dataDWORD dwSize – The size of the data retrievedResults: true if successful, false otherwise******************************************************************/bool RegistryGetValue(HKEY hk, const TCHAR * pszKey, const TCHAR * pszValue, DWORD dwType, LPBYTE data, DWORD dwSize){ HKEY hkOpened;// Try to open the key
if (RegOpenKeyEx(hk, pszKey, 0, KEY_READ, &hkOpened) != ERROR_SUCCESS){ return false;}// If the key was opened, try to retrieve the value
if (RegQueryValueEx(hkOpened, pszValue, 0, &dwType, (LPBYTE)data, &dwSize) != ERROR_SUCCESS){ RegCloseKey(hkOpened);return false;}// Clean up
RegCloseKey(hkOpened);return true;
}int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,LPTSTR lpCmdLine,int nCmdShow){ int iNetfx10SPLevel = -1;int iNetfx11SPLevel = -1;int iNetfx20SPLevel = -1;int iNetfx30SPLevel = -1;int iNetfx35SPLevel = -1;TCHAR szMessage[MAX_PATH];// Determine whether or not the .NET Framework
// 1.0, 1.1, 2.0 or 3.0 are installedbool bNetfx10Installed = IsNetfx10Installed();bool bNetfx11Installed = IsNetfx11Installed();bool bNetfx20Installed = IsNetfx20Installed();// The .NET Framework 3.0 is an add-in that installs
// on top of the .NET Framework 2.0. For this version// check, validate that both 2.0 and 3.0 are installed.bool bNetfx30Installed = (IsNetfx20Installed() && IsNetfx30Installed());// The .NET Framework 3.5 is an add-in that installs
// on top of the .NET Framework 2.0 and 3.0. For this version// check, validate that 2.0, 3.0 and 3.5 are installed.bool bNetfx35Installed = (IsNetfx20Installed() && IsNetfx30Installed() && IsNetfx35Installed());// If .NET Framework 1.0 is installed, get the
// service pack levelif (bNetfx10Installed){ iNetfx10SPLevel = GetNetfx10SPLevel();if (iNetfx10SPLevel > 0)
_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 1.0 service pack %i is installed.”), iNetfx10SPLevel);else_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 1.0 is installed with no service packs.”));MessageBox(NULL, szMessage, _T(“.NET Framework 1.0″), MB_OK | MB_ICONINFORMATION);
}else{ MessageBox(NULL, _T(“.NET Framework 1.0 is not installed.”), _T(“.NET Framework 1.0″), MB_OK | MB_ICONINFORMATION);}// If .NET Framework 1.1 is installed, get the
// service pack levelif (bNetfx11Installed){ iNetfx11SPLevel = GetNetfxSPLevel(g_szNetfx11RegKeyName, g_szNetfxStandardSPxRegValueName);if (iNetfx11SPLevel > 0)
_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 1.1 service pack %i is installed.”), iNetfx11SPLevel);else_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 1.1 is installed with no service packs.”));MessageBox(NULL, szMessage, _T(“.NET Framework 1.1″), MB_OK | MB_ICONINFORMATION);
}else{ MessageBox(NULL, _T(“.NET Framework 1.1 is not installed.”), _T(“.NET Framework 1.1″), MB_OK | MB_ICONINFORMATION);}// If .NET Framework 2.0 is installed, get the
// service pack levelif (bNetfx20Installed){ iNetfx20SPLevel = GetNetfxSPLevel(g_szNetfx20RegKeyName, g_szNetfxStandardSPxRegValueName);if (iNetfx20SPLevel > 0)
_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 2.0 service pack %i is installed.”), iNetfx20SPLevel);else_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 2.0 is installed with no service packs.”));MessageBox(NULL, szMessage, _T(“.NET Framework 2.0″), MB_OK | MB_ICONINFORMATION);
}else{ MessageBox(NULL, _T(“.NET Framework 2.0 is not installed.”), _T(“.NET Framework 2.0″), MB_OK | MB_ICONINFORMATION);}// If .NET Framework 3.0 is installed, get the
// service pack levelif (bNetfx30Installed){ iNetfx30SPLevel = GetNetfxSPLevel(g_szNetfx30SpRegKeyName, g_szNetfxStandardSPxRegValueName);if (iNetfx30SPLevel > 0)
_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 3.0 service pack %i is installed.”), iNetfx30SPLevel);else_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 3.0 is installed with no service packs.”));MessageBox(NULL, szMessage, _T(“.NET Framework 3.0″), MB_OK | MB_ICONINFORMATION);
}else{ MessageBox(NULL, _T(“.NET Framework 3.0 is not installed.”), _T(“.NET Framework 3.0″), MB_OK | MB_ICONINFORMATION);}// If .NET Framework 3.5 is installed, get the
// service pack levelif (bNetfx35Installed){ iNetfx35SPLevel = GetNetfxSPLevel(g_szNetfx35RegKeyName, g_szNetfxStandardSPxRegValueName);if (iNetfx35SPLevel > 0)
_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 3.5 service pack %i is installed.”), iNetfx35SPLevel);else_stprintf_s(szMessage, MAX_PATH, _T(“.NET Framework 3.5 is installed with no service packs.”));MessageBox(NULL, szMessage, _T(“.NET Framework 3.5″), MB_OK | MB_ICONINFORMATION);
}else{ MessageBox(NULL, _T(“.NET Framework 3.5 is not installed.”), _T(“.NET Framework 3.5″), MB_OK | MB_ICONINFORMATION);}return 0;
}