在.NET 2.0 c#应用程序中,我使用以下代码来检测操作系统平台:
string os_platform = System.Environment.OSVersion.Platform.ToString();
返回“Win32NT”。问题是即使在Windows Vista 64位上运行,它也会返回“Win32NT”。
有没有其他方法来知道正确的平台(32位或64位)?
注意,当在Windows 64位上作为32位应用程序运行时,它也应该检测64位。
在.NET 2.0 c#应用程序中,我使用以下代码来检测操作系统平台:
string os_platform = System.Environment.OSVersion.Platform.ToString();
返回“Win32NT”。问题是即使在Windows Vista 64位上运行,它也会返回“Win32NT”。
有没有其他方法来知道正确的平台(32位或64位)?
注意,当在Windows 64位上作为32位应用程序运行时,它也应该检测64位。
当前回答
使用此命令获取已安装的Windows体系结构:
string getOSArchitecture()
{
string architectureStr;
if (Directory.Exists(Environment.GetFolderPath(
Environment.SpecialFolder.ProgramFilesX86))) {
architectureStr ="64-bit";
}
else {
architectureStr = "32-bit";
}
return architectureStr;
}
其他回答
来自Chriz Yuen的博客
介绍了两个新的环境属性 Environment.Is64BitOperatingSystem; Environment.Is64BitProcess;
当你使用这两种属性时请小心。 在Windows 7 64位机器上测试
//Workspace: Target Platform x86
Environment.Is64BitOperatingSystem True
Environment.Is64BitProcess False
//Workspace: Target Platform x64
Environment.Is64BitOperatingSystem True
Environment.Is64BitProcess True
//Workspace: Target Platform Any
Environment.Is64BitOperatingSystem True
Environment.Is64BitProcess True
微软为此提供了一个代码示例:
http://1code.codeplex.com/SourceControl/changeset/view/39074#842775
它是这样的:
/// <summary>
/// The function determines whether the current operating system is a
/// 64-bit operating system.
/// </summary>
/// <returns>
/// The function returns true if the operating system is 64-bit;
/// otherwise, it returns false.
/// </returns>
public static bool Is64BitOperatingSystem()
{
if (IntPtr.Size == 8) // 64-bit programs run only on Win64
{
return true;
}
else // 32-bit programs run on both 32-bit and 64-bit Windows
{
// Detect whether the current process is a 32-bit process
// running on a 64-bit system.
bool flag;
return ((DoesWin32MethodExist("kernel32.dll", "IsWow64Process") &&
IsWow64Process(GetCurrentProcess(), out flag)) && flag);
}
}
/// <summary>
/// The function determins whether a method exists in the export
/// table of a certain module.
/// </summary>
/// <param name="moduleName">The name of the module</param>
/// <param name="methodName">The name of the method</param>
/// <returns>
/// The function returns true if the method specified by methodName
/// exists in the export table of the module specified by moduleName.
/// </returns>
static bool DoesWin32MethodExist(string moduleName, string methodName)
{
IntPtr moduleHandle = GetModuleHandle(moduleName);
if (moduleHandle == IntPtr.Zero)
{
return false;
}
return (GetProcAddress(moduleHandle, methodName) != IntPtr.Zero);
}
[DllImport("kernel32.dll")]
static extern IntPtr GetCurrentProcess();
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
static extern IntPtr GetModuleHandle(string moduleName);
[DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)]
static extern IntPtr GetProcAddress(IntPtr hModule,
[MarshalAs(UnmanagedType.LPStr)]string procName);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool IsWow64Process(IntPtr hProcess, out bool wow64Process);
还有一个可用的WMI版本(用于测试远程机器)。
一切都很好,但这也应该在env中工作:
PROCESSOR_ARCHITECTURE=x86
..
PROCESSOR_ARCHITECTURE=AMD64
可能太简单了;-)
下面是Windows管理规范(WMI)方法:
string _osVersion = "";
string _osServicePack = "";
string _osArchitecture = "";
ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_OperatingSystem");
ManagementObjectCollection collection = searcher.Get();
foreach (ManagementObject mbo in collection)
{
_osVersion = mbo.GetPropertyValue("Caption").ToString();
_osServicePack = string.Format("{0}.{1}", mbo.GetPropertyValue("ServicePackMajorVersion").ToString(), mbo.GetPropertyValue("ServicePackMinorVersion").ToString());
try
{
_osArchitecture = mbo.GetPropertyValue("OSArchitecture").ToString();
}
catch
{
// OSArchitecture only supported on Windows 7/Windows Server 2008
}
}
Console.WriteLine("osVersion : " + _osVersion);
Console.WriteLine("osServicePack : " + _osServicePack);
Console.WriteLine("osArchitecture: " + _osArchitecture);
/////////////////////////////////////////
// Test on Windows 7 64-bit
//
// osVersion : Microsoft Windows 7 Professional
// osservicePack : 1.0
// osArchitecture: 64-bit
/////////////////////////////////////////
// Test on Windows Server 2008 64-bit
// --The extra r's come from the registered trademark
//
// osVersion : Microsoftr Windows Serverr 2008 Standard
// osServicePack : 1.0
// osArchitecture: 64-bit
/////////////////////////////////////////
// Test on Windows Server 2003 32-bit
// --OSArchitecture property not supported on W2K3
//
// osVersion : Microsoft(R) Windows(R) Server 2003, Standard Edition
// osServicePack : 2.0
// osArchitecture:
我需要这样做,但我也需要能够作为一个管理员远程做到这一点,无论是哪种情况下,这似乎很适合我:
public static bool is64bit(String host)
{
using (var reg = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, host))
using (var key = reg.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\"))
{
return key.GetValue("ProgramFilesDir (x86)") !=null;
}
}