System.ComponentModel.Win32Exception：“访问被拒绝” - c#

Question

今天我尝试为gta sa写一个简单的训练器。

这个程序应该定义播放器的位置

由于某种原因启动此程序后，我收到了这样的错误：

System.ComponentModel.Win32Exception: "Access is denied"

为什么会这样？

我做错了什么？

可能需要以 root 身份运行？或者我有什么不明白的......但是错误仍然存​​在

完整代码：

namespace projSanAndreasTrainer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        Process[] SA;
        ProcessModule mainModule;
        ProcessMemoryReader mem = new ProcessMemoryReader();

        struct offsets
        {
            static public int health, baseAddr;
            static public int[] xPos, zPos, yPos;
            // the game which uses XZY and not XYZ
        }

        bool gameFound = false;

        float[,] teleCoords = new float[2 , 3];

        private void btnAttach_Click(object sender , EventArgs e)
        {
            try
            {
                SA = Process.GetProcessesByName("gta_sa");
                mainModule = SA[0].MainModule; // - this line causes an error
                mem.ReadProcess = SA[0];
                mem.OpenProcess();
                gameFound = true;

                offsets.baseAddr = 0xB6F5F0;
                offsets.health = 0x540;
                offsets.xPos = new int[] { 0x14 , 0x30 };
                offsets.zPos = new int[] { 0x14 , 0x34 };
                offsets.yPos = new int[] { 0x14 , 0x38 };

                btnAttach.BackColor = Color.Green; //User Feedback
                btnAttach.Enabled = false;
            }
            catch (IndexOutOfRangeException ex)
            {
                MessageBox.Show("Game not found!");
                //throw ex;
            }
        }

        private void tmrProcess_Tick(object sender , EventArgs e)
        {
            if (gameFound && !SA[0].HasExited)
            {
                // Only the base address or multiLevel addresses need to be established first
                int playerBaseAddress = mem.ReadInt(offsets.baseAddr);
                // Stores an address which is the base address of the player struct.
                int XAddress = mem.ReadMultiLevelPointer(offsets.baseAddr , 4 , offsets.xPos);
                // Multi level pointer with 2 offsets is needed to find the address of X position,
                // then this address can be read as a float.
                int ZAddress = mem.ReadMultiLevelPointer(offsets.baseAddr , 4 , offsets.zPos);
                int YAddress = mem.ReadMultiLevelPointer(offsets.baseAddr , 4 , offsets.yPos);


                lblX.Text = mem.ReadFloat(XAddress).ToString();
                lblZ.Text = mem.ReadFloat(ZAddress).ToString();
                lblY.Text = mem.ReadFloat(YAddress).ToString();

                lblHealth.Text = mem.ReadFloat(playerBaseAddress + offsets.health).ToString();

                int Hotkey = ProcessMemoryReaderApi.GetKeyState(0x74);//F5
                if ((Hotkey & 0x8000) != 0)
                {
                    // Teleport to Grove Street
                    mem.WriteFloat(XAddress , 2495);
                    mem.WriteFloat(ZAddress , -1668);
                    mem.WriteFloat(YAddress , 13);
                }

                int Hotkey2 = ProcessMemoryReaderApi.GetKeyState(0x75);//F6
                if ((Hotkey2 & 0x8000) != 0)
                {
                    // Teleport to Dome Stadium Roof
                    mem.WriteFloat(XAddress , 2737);
                    mem.WriteFloat(ZAddress , -1760);
                    mem.WriteFloat(YAddress , 44);
                }

                int Hotkey3 = ProcessMemoryReaderApi.GetKeyState(0x76);//F7
                if ((Hotkey3 & 0x8000) != 0)
                {
                    // Teleport to Skyscraper
                    mem.WriteFloat(XAddress , 1544);
                    mem.WriteFloat(ZAddress , -1353);
                    mem.WriteFloat(YAddress , 330);
                }
            }
            else
            {
                // Game has ended so stop performing readMemory etc
                gameFound = false;
                btnAttach.BackColor = Color.Red;
                btnAttach.Enabled = true;
            }
        }//tmrProcess

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}

你能帮帮我吗？

P.S 对不起我的英语不好：D

Answer 1

尝试在项目的属性下方添加一个 app.manifest，内容如下（替换）：

<?xml version="1.0" encoding="utf-8"?>
<asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <assemblyIdentity version="1.0.0.0" name="<yourProjectName>" />
  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
    <security>
      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
        <requestedExecutionLevel level="highestAvailable" uiAccess="false" />
      </requestedPrivileges>
      <applicationRequestMinimum>
        <defaultAssemblyRequest permissionSetReference="Custom" />
        <PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true" ID="Custom" SameSite="site" />
      </applicationRequestMinimum>
    </security>
  </trustInfo>
</asmv1:assembly>

然后在项目属性 -> 应用程序 -> 下面的图标和清单文本框中的清单中引用清单：Properties\app.manifest

因此，您的应用程序确实需要您可以拥有的最高权限。开始调试时，Visual Studio 还会提示您以管理员身份重新启动以运行项目。

如果您仍然遇到此错误，则可能是您尝试在受保护的内存中写入。在其他进程内存中写入是一项艰巨的任务，并且由于安全原因可能会受到限制。