나는 같은 문제가 있었다 .WebBrowser는 이전 버전의 IE를 사용하고 있었고, 인터넷 검색을 통해 레지스트리를 변경하고 WebBrowser가 가능한 최신 IE 버전을 사용하도록하는 다음 코드를 발견했다.

 public enum BrowserEmulationVersion
    {
        Default = 0,
        Version7 = 7000,
        Version8 = 8000,
        Version8Standards = 8888,
        Version9 = 9000,
        Version9Standards = 9999,
        Version10 = 10000,
        Version10Standards = 10001,
        Version11 = 11000,
        Version11Edge = 11001
    }
    public static class WBEmulator
    {
        private const string InternetExplorerRootKey = @"Software\Microsoft\Internet Explorer";

        public static int GetInternetExplorerMajorVersion()
        {
            int result;

            result = 0;

            try
            {
                RegistryKey key;

                key = Registry.LocalMachine.OpenSubKey(InternetExplorerRootKey);

                if (key != null)
                {
                    object value;

                    value = key.GetValue("svcVersion", null) ?? key.GetValue("Version", null);

                    if (value != null)
                    {
                        string version;
                        int separator;

                        version = value.ToString();
                        separator = version.IndexOf('.');
                        if (separator != -1)
                        {
                            int.TryParse(version.Substring(0, separator), out result);
                        }
                    }
                }
            }
            catch (SecurityException)
            {
                // The user does not have the permissions required to read from the registry key.
            }
            catch (UnauthorizedAccessException)
            {
                // The user does not have the necessary registry rights.
            }

            return result;
        }
        private const string BrowserEmulationKey = InternetExplorerRootKey + @"\Main\FeatureControl\FEATURE_BROWSER_EMULATION";

        public static BrowserEmulationVersion GetBrowserEmulationVersion()
        {
            BrowserEmulationVersion result;

            result = BrowserEmulationVersion.Default;

            try
            {
                RegistryKey key;

                key = Registry.CurrentUser.OpenSubKey(BrowserEmulationKey, true);
                if (key != null)
                {
                    string programName;
                    object value;

                    programName = Path.GetFileName(Environment.GetCommandLineArgs()[0]);
                    value = key.GetValue(programName, null);

                    if (value != null)
                    {
                        result = (BrowserEmulationVersion)Convert.ToInt32(value);
                    }
                }
            }
            catch (SecurityException)
            {
                // The user does not have the permissions required to read from the registry key.
            }
            catch (UnauthorizedAccessException)
            {
                // The user does not have the necessary registry rights.
            }

            return result;
        }
        public static bool SetBrowserEmulationVersion(BrowserEmulationVersion browserEmulationVersion)
        {
            bool result;

            result = false;

            try
            {
                RegistryKey key;

                key = Registry.CurrentUser.OpenSubKey(BrowserEmulationKey, true);

                if (key != null)
                {
                    string programName;

                    programName = Path.GetFileName(Environment.GetCommandLineArgs()[0]);

                    if (browserEmulationVersion != BrowserEmulationVersion.Default)
                    {
                        // if it's a valid value, update or create the value
                        key.SetValue(programName, (int)browserEmulationVersion, RegistryValueKind.DWord);
                    }
                    else
                    {
                        // otherwise, remove the existing value
                        key.DeleteValue(programName, false);
                    }

                    result = true;
                }
            }
            catch (SecurityException)
            {
                // The user does not have the permissions required to read from the registry key.
            }
            catch (UnauthorizedAccessException)
            {
                // The user does not have the necessary registry rights.
            }

            return result;
        }

        public static bool SetBrowserEmulationVersion()
        {
            int ieVersion;
            BrowserEmulationVersion emulationCode;

            ieVersion = GetInternetExplorerMajorVersion();

            if (ieVersion >= 11)
            {
                emulationCode = BrowserEmulationVersion.Version11;
            }
            else
            {
                switch (ieVersion)
                {
                    case 10:
                        emulationCode = BrowserEmulationVersion.Version10;
                        break;
                    case 9:
                        emulationCode = BrowserEmulationVersion.Version9;
                        break;
                    case 8:
                        emulationCode = BrowserEmulationVersion.Version8;
                        break;
                    default:
                        emulationCode = BrowserEmulationVersion.Version7;
                        break;
                }
            }

            return SetBrowserEmulationVersion(emulationCode);
        }
        public static bool IsBrowserEmulationSet()
        {
            return GetBrowserEmulationVersion() != BrowserEmulationVersion.Default;
        }
    } 

클래스를 만들고이 코드를 넣은 다음 프로그램이 시작될 때 다음 코드를 실행하면됩니다.

 if (!WBEmulator.IsBrowserEmulationSet())
            {
                WBEmulator.SetBrowserEmulationVersion();
            }

VB.NET :

Imports Microsoft.Win32
Imports System
Imports System.Collections.Generic
Imports System.IO
Imports System.Linq
Imports System.Security
Imports System.Text
Imports System.Threading.Tasks

Public Enum BrowserEmulationVersion
    [Default] = 0
    Version7 = 7000
    Version8 = 8000
    Version8Standards = 8888
    Version9 = 9000
    Version9Standards = 9999
    Version10 = 10000
    Version10Standards = 10001
    Version11 = 11000
    Version11Edge = 11001
End Enum


Public Class WBEmulator
    Private Const InternetExplorerRootKey As String = "Software\Microsoft\Internet Explorer"
    Public Shared Function GetInternetExplorerMajorVersion() As Integer

        Dim result As Integer

        result = 0

        Try
            Dim key As RegistryKey
            key = Registry.LocalMachine.OpenSubKey(InternetExplorerRootKey)
            If key IsNot Nothing Then
                Dim value As Object = If(key.GetValue("svcVersion", Nothing), key.GetValue("Version", Nothing))

                Dim Version As String
                Dim separator As Integer
                Version = value.ToString()
                separator = Version.IndexOf(".")
                If separator <> -1 Then
                    Integer.TryParse(Version.Substring(0, separator), result)
                End If
            End If

        Catch ex As SecurityException
            'The user does Not have the permissions required to read from the registry key.
        Catch ex As UnauthorizedAccessException
            'The user does Not have the necessary registry rights.
        Catch

        End Try
        GetInternetExplorerMajorVersion = result
    End Function
    Private Const BrowserEmulationKey = InternetExplorerRootKey + "\Main\FeatureControl\FEATURE_BROWSER_EMULATION"

    Public Shared Function GetBrowserEmulationVersion() As BrowserEmulationVersion

        Dim result As BrowserEmulationVersion
        result = BrowserEmulationVersion.Default

        Try
            Dim key As RegistryKey = Registry.CurrentUser.OpenSubKey(BrowserEmulationKey, True)
            If key IsNot Nothing Then
                Dim programName As String
                Dim value As Object
                programName = Path.GetFileName(Environment.GetCommandLineArgs()(0))
                value = key.GetValue(programName, Nothing)
                If value IsNot Nothing Then
                    result = CType(Convert.ToInt32(value), BrowserEmulationVersion)
                End If
            End If
        Catch ex As SecurityException
            'The user does Not have the permissions required to read from the registry key.
        Catch ex As UnauthorizedAccessException
            'The user does Not have the necessary registry rights.
        Catch

        End Try

        GetBrowserEmulationVersion = result
    End Function
    Public Shared Function SetBrowserEmulationVersion(BEVersion As BrowserEmulationVersion) As Boolean

        Dim result As Boolean = False

        Try
            Dim key As RegistryKey = Registry.CurrentUser.OpenSubKey(BrowserEmulationKey, True)
            If key IsNot Nothing Then
                Dim programName As String = Path.GetFileName(Environment.GetCommandLineArgs()(0))
                If BEVersion <> BrowserEmulationVersion.Default Then
                    'if it's a valid value, update or create the value
                    key.SetValue(programName, CType(BEVersion, Integer), RegistryValueKind.DWord)
                Else
                    'otherwise, remove the existing value
                    key.DeleteValue(programName, False)
                End If
                result = True
            End If
        Catch ex As SecurityException

            ' The user does Not have the permissions required to read from the registry key.

        Catch ex As UnauthorizedAccessException

            ' The user does Not have the necessary registry rights.

        End Try

        SetBrowserEmulationVersion = result
    End Function


    Public Shared Function SetBrowserEmulationVersion() As Boolean
        Dim ieVersion As Integer
        Dim emulationCode As BrowserEmulationVersion
        ieVersion = GetInternetExplorerMajorVersion()

        If ieVersion >= 11 Then

            emulationCode = BrowserEmulationVersion.Version11
        Else

            Select Case ieVersion
                Case 10
                    emulationCode = BrowserEmulationVersion.Version10
                Case 9
                    emulationCode = BrowserEmulationVersion.Version9
                Case 8
                    emulationCode = BrowserEmulationVersion.Version8
                Case Else
                    emulationCode = BrowserEmulationVersion.Version7
            End Select
        End If

        SetBrowserEmulationVersion = SetBrowserEmulationVersion(emulationCode)
    End Function

    Public Shared Function IsBrowserEmulationSet() As Boolean
        IsBrowserEmulationSet = GetBrowserEmulationVersion() <> BrowserEmulationVersion.Default
    End Function
End Class

다음과 같이 사용할 수 있습니다.

If Not WBEmulator.IsBrowserEmulationSet() Then
    WBEmulator.SetBrowserEmulationVersion()
End If

답변

<meta http-equiv="X-UA-Compatible" content="IE=Edge" />