C#判斷DLL文件是32位還是64位的示例代碼
c#判斷dll文件是32位還是64位,實例代碼如下所示:
using System; using System.IO; namespace GetDllVersionDemo { /// <summary> /// https://www.cnblogs.com/LifeDecidesHappiness/p/15711169.html /// C#判斷DLL文件是32位還是64位 /// LDH @ 2021-12-20 /// </summary> internal class Program { private static void Main() { Console.Title = "C#判斷DLL文件是32位還是64位"; GetDll32Or64(); Console.ReadKey(); } private static void GetDll32Or64() { var dllPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Dll\IBM.Data.Informix.dll"); var result = GetPeArchitecture(dllPath); //523 64位 267 32位 if (result == 523) Console.WriteLine(dllPath + "是【64】位的dll"); else if (result == 267) Console.WriteLine(dllPath + "是【32】位的dll"); else Console.WriteLine("執行錯誤!"); } /// <summary> /// 獲取dll文件是32位還是64位 /// 523 64位 267 32位 /// </summary> /// <param name="dllFilePath">dll文件路徑</param> /// <returns></returns> public static ushort GetPeArchitecture(string dllFilePath) { ushort architecture = 0; try { using (var fStream = new FileStream(dllFilePath, FileMode.Open, FileAccess.Read)) { using (var bReader = new BinaryReader(fStream)) { if (bReader.ReadUInt16() == 23117) //check the MZ signature { fStream.Seek(0x3A, SeekOrigin.Current); //seek to e_lfanew. fStream.Seek(bReader.ReadUInt32(), SeekOrigin.Begin); //seek to the start of the NT header. if (bReader.ReadUInt32() == 17744) //check the PE\0\0 signature. { fStream.Seek(20, SeekOrigin.Current); //seek past the file header, architecture = bReader.ReadUInt16(); //read the magic number of the optional header. } } } } } catch { // ignored } // if architecture returns 0, there has been an error. return architecture; } } }
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