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在 Wix 设置中选择“删除”时，我创建了一个自定义操作来卸载 VS 包。

 public class CustomActions
{

    [CustomAction]
    public static ActionResult CustomAction1(Session session)
    {
        ActionResult result = ActionResult.Failure;

        try
        {
            session.Log("Begin CustomAction1");



            string VSIXInstallerPath = (string)Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\11.0_Config", "VSIXInstallerLocation", null);
            Process UninstallVSPackage = new Process();

            UninstallVSPackage = Process.Start(VSIXInstallerPath, "/u:GUID /quiet");

            result = ActionResult.Success;

        }

        catch (Exception ex)
        {
            session.Log("ERROR in custom action  {0}",
                    ex.ToString());
            return ActionResult.Failure;


        }

        return result;

    }
}
}

这是相关的 WIX 标记：

 <Binary Id="UninstallVSPackageAction"
        src="$(var.TargetDir)\SELA.TFS.MBWI.CustomAction1.CA.dll" />

<CustomAction Id="RemoveVsPackage" BinaryKey="UninstallVSPackageAction"
 DllEntry="DeleteVSPackage" Execute="deferred" Return="check" />


  <Custom Action="RemoveVsPackage" After="InstallInitialize">
        Installed AND NOT UPGRADINGPRODUCTCODE
      </Custom>

这将失败并显示下一个错误日志：

CustomAction RemoveVsPackage returned actual error code 1154 (note this may not be 100% accurate if translation happened inside sandbox)
MSI (s) (F8:60) [06:43:39:304]: Note: 1: 1723 2: RemoveVsPackage 3: DeleteVSPackage 4: C:\Windows\Installer\MSI1663.tmp 
MSI (s) (F8:60) [06:43:39:304]: Note: 1: 2205 2:  3: Error 
MSI (s) (F8:60) [06:43:39:304]: Note: 1: 2228 2:  3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1723 
Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor.  Action RemoveVsPackage, entry: DeleteVSPackage, library: C:\Windows\Installer\MSI1663.tmp 
MSI (s) (F8:60) [06:43:41:476]: Note: 1: 2205 2:  3: Error 
MSI (s) (F8:60) [06:43:41:476]: Note: 1: 2228 2:  3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1709 
MSI (s) (F8:60) [06:43:41:476]: Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor.  Action RemoveVsPackage, entry: DeleteVSPackage, library: C:\Windows\Installer\MSI1663.tmp
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