错误:名称空间不能直接包含诸如字段或方法之类的成员 [英] Error: A namespace cannot directly contain members such as fields or methods

问题描述

我是C#的新手，我无法解决此错误，有人可以帮助我吗?该脚本用于删除不需要的快捷方式，然后在尚未安装新程序的情况下安装它.

I'm new to C# and I'm having trouble solving this error can anyone help me please? This script is to delete an un-needed shortcut then install a new program if it hasn't been installed already.

using System;
using WindowsInstaller;


string startMenuDir = Environment.GetFolderPath(Environment.SpecialFolder.StartMenu);
string shortcutold = Path.Combine(startMenuDir, @"Ohal\TV AMP (Windows XP Mode).lnk");
if (File.Exists(shortcutold))
File.Delete(shortcutold);


string startMenuDir = Environment.GetFolderPath(Environment.SpecialFolder.StartMenu);
string shortcut = Path.Combine(startMenuDir, @"Ohal\TV AMP.lnk");
if (File.Exists(shortcut))
{
    Console.WriteLine("Already installed...");
}
else
{
Type type = Type.GetTypeFromProgID("WindowsInstaller.Installer");
            Installer installer = (Installer)Activator.CreateInstance(type);
            installer.InstallProduct(@"Y:\LibSetup\TVAMP313\TVAmp v3.13.msi");
}

推荐答案

您的代码应在类中，然后在方法中.您不能在名称空间下使用代码.像下面这样.

Your code should be in a class and then a method. You can't have code under namespace. Something like following.

using System;
using WindowsInstaller;

class MyClass //Notice the class 
{
 //You can have fields and properties here

    public void MyMethod() // then the code in a method
    {
        string startMenuDir = Environment.GetFolderPath(Environment.SpecialFolder.StartMenu);
        string shortcutold = Path.Combine(startMenuDir, @"Ohal\TV AMP (Windows XP Mode).lnk");
        if (File.Exists(shortcutold))
            File.Delete(shortcutold);
       // your remaining code .........


    }
}

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