c#判断操作系统是32位还是64位
2021-05-13 08:27
标签：dll eth runtime ret ops style err color itop 做一个c#项目时，遇到要获取操作系统位数的问题，在网上找了几个小时,都没有找到比较完整的解决方案。话不多说，直接上可以运行的代码（简单、粗暴） c#判断操作系统是32位还是64位 标签：dll eth runtime ret ops style err color itop 原文地址：http://www.cnblogs.com/zp900704/p/7553939.htmlusing System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
internal static class Win32Native
{
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
[DllImport("kernel32.dll", BestFitMapping = false, CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string moduleName);
[DllImport("kernel32.dll", BestFitMapping = false, CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
private static extern IntPtr GetProcAddress(IntPtr hModule, string methodName);
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool IsWow64Process([In] IntPtr hSourceProcessHandle, [MarshalAs(UnmanagedType.Bool)] out bool isWow64);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
internal static extern IntPtr GetCurrentProcess();
internal static bool DoesWin32MethodExist(string moduleName, string methodName)
{
IntPtr moduleHandle = Win32Native.GetModuleHandle(moduleName);
if (moduleHandle == IntPtr.Zero)
{
return false;
}
IntPtr procAddress = Win32Native.GetProcAddress(moduleHandle, methodName);
return procAddress != IntPtr.Zero;
}
public static bool Is64BitOperatingSystem
{
get
{
bool flag=default(bool);
return (Win32Native.DoesWin32MethodExist("kernel32.dll", "IsWow64Process") && Win32Native.IsWow64Process(Win32Native.GetCurrentProcess(), out flag)) & flag;
}
}
}