寻找包含Ivi.Visa.Interop命名空间的NuGet包

尝试编译Keysight官网提供的仪器截图控制台程序，但无法找到包含代码中Ivi.Visa.Interop命名空间的公开NuGet包。搜索Ivi.Visa.Interop无结果，搜索Ivi.Visa得到以下包：

Kelary.Ivi.Visa
Ldx.Ni.Visa
IviFoundation.Visa
hyf.Ivi.Visa

但这些包均不含Ivi.Visa.Interop命名空间。程序代码如下：

using System;
using System.IO;
using System.Net.Mail;
using Ivi.Visa.Interop;

namespace GetScreenshot_CSharp
{
    class Program
    {
        // ***WARRANT DISCLAIMER*** --> This example is provided as an illustration "as is", and Keysight Technologies
        // makes no warranty of any kind with regard to this example.

        //This program uses the VISA-COM library which is installed with the Keysight IO Libraries Suite. 
        //The IO Suite can be found at www.keysight.com/find/iosuite
        //You must add a reference to the VISA COM 3.0 (OR 5.2 or newer depending on IO Suite version) Type library by 
        //right-clicking on the project and selecting Add Reference.

        //Modify the address to match your instrument. 
        //Address Examples (GPIB, RS-232, USB or LAN):
        //     GPIB0::22::INSTR
        //     ASRL1::INSTR
        //     USB0::0x0957::0x2007::MY49002286::0::INSTR
        //     TCPIP0::159.149.151.62::inst0::INSTR
        // Address can also be a VISA Alias
        // This example just saves the screenshot directly to your desktop and will overwrite any file with the same name.
        //
        // ****This example will work on the Keysight 3446xA DMM's, 33500/33600 ARB's and the 53200 series counters.****


        public static void Main()
        {
            Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager();
            Ivi.Visa.Interop.FormattedIO488 ioobj = new Ivi.Visa.Interop.FormattedIO488();
            string idnStr = null;
            byte[] myImage = null;
            string desktop = null;


            try
            {
                //Open a session and get the IDN string
                ioobj.IO = (Ivi.Visa.Interop.IMessage)rm.Open("USB0::0x0957::0x2C07::MY52814625::0::INSTR",
                        Ivi.Visa.Interop.AccessMode.EXCLUSIVE_LOCK, 0, "");
                ioobj.WriteString("*IDN?", true);
                idnStr = ioobj.ReadString();
                Console.WriteLine("IDN response = " + idnStr);
                Console.WriteLine("Hit Enter to Continue and get ARB screenshot");
                Console.ReadLine();

                //Upload the screenshot and write to a file on the desktop names test1.bmp
                ioobj.WriteString("HCOPy:SDUMp:DATA:FORMat BMP", true);
                ioobj.WriteString("HCOPy:SDUMp:DATA?", true);
                myImage = ioobj.ReadIEEEBlock(Ivi.Visa.Interop.IEEEBinaryType.BinaryType_UI1);
                desktop = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
                using (BinaryWriter writer = new BinaryWriter(File.Open((desktop + "\\test1.bmp"), FileMode.Create)))
                {
                    foreach (byte value in myImage)
                    {
                        writer.Write(value);
                    }
                }
                Console.WriteLine("Hit Enter to Exit");
                Console.ReadLine();
            }
            catch (Exception e)
            {
                Console.WriteLine("An error occurred: " + e.Message);
                Console.WriteLine("Ensure you have the correct address for your instrument");
                Console.WriteLine("Hit Enter to Exit");
                Console.ReadLine();
            }
            finally
            {
                try { ioobj.IO.Close(); }
                catch { }
                try
                {
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(ioobj);
                }
                catch { }
                try
                {
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(rm);
                }
                catch { }
            }
        }
    }
}

请问如何找到对应Ivi.Visa.Interop命名空间的NuGet包？

1. 明确：Ivi.Visa.Interop并非NuGet包提供 #

Ivi.Visa.Interop是VISA-COM库的COM互操作命名空间，这个库是Keysight IO Libraries Suite的组件之一，不会通过公开NuGet仓库分发。代码注释里已经明确提示了这一点：该程序依赖随Keysight IO Libraries Suite安装的VISA-COM库。

2. 正确的引用方式（无需NuGet） #

• 安装Keysight IO Libraries Suite（需从Keysight官方渠道获取）
• 在Visual Studio中操作：
  1. 右键你的项目 → 选择「添加」→「引用」
  2. 切换到「COM」标签页
  3. 找到并勾选「VISA COM 3.0」（或更高版本，比如5.2+，取决于你安装的IO Suite版本）
  4. 点击「确定」完成引用添加
• 添加后，Visual Studio会自动生成Ivi.Visa.Interop的互操作程序集，此时即可正常编译代码。

3. 为什么你找到的NuGet包不兼容？ #

你搜索到的Kelary.Ivi.Visa、IviFoundation.Visa等包都是VISA标准的.NET原生实现，它们的命名空间是Ivi.Visa，而非Ivi.Visa.Interop，和代码中基于COM的调用逻辑不兼容，因此无法直接替换使用。

4. 替代方案（改用.NET原生VISA） #

如果不想依赖COM组件，可以选择使用IviFoundation.Visa这类NuGet包，重构代码为原生.NET调用。例如：

• 替换Ivi.Visa.Interop.ResourceManager为Ivi.Visa.ResourceManager
• 调整IO操作的API（比如用MessageBasedSession替代FormattedIO488）
• 适配仪器命令的发送和数据读取逻辑

内容的提问来源于stack exchange，提问作者alok