using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ExameClient.Common
{
public class TypewrititngHelper
{
/// <summary>
/// 是否是win7和xp系统
/// </summary>
/// <returns></returns>
public static bool IsWin7OrXP()
{
bool result = false;
try
{
string version = System.Environment.OSVersion.Version.ToString();
string str = version.Substring(0, version.IndexOf(".") + 2);
if (Convert.ToDouble(str) < 6.2)
{
result = true;
}
}
catch
{
result = false;
}
return result;
}
/// <summary>
/// 绑定输入法选择下拉框
/// </summary>
/// <param name="comboBox"></param>
public static void BindTypewriteingList(System.Windows.Controls.ComboBox comboBox)
{
comboBox.Items.Clear();
if (IsWin7OrXP())
{
InputLanguageCollection ilc = InputLanguage.InstalledInputLanguages;
foreach (InputLanguage il in ilc)
{
comboBox.Items.Add(il.LayoutName);
}
comboBox.SelectedIndex =
InputLanguage.InstalledInputLanguages.IndexOf(InputLanguage.CurrentInputLanguage);
}
else
{
IList<short> langIDs = TSFWrapper.GetLangIDs();
if (langIDs.Count > 0)
{
string[] list = TSFWrapper.GetInputMethodList(langIDs[0]);
foreach (string desc in list)
{
comboBox.Items.Add(desc);
}
comboBox.SelectedItem = TSFWrapper.GetCurrentInputMethodDesc(langIDs[0]);
}
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
using System.Threading.Tasks;
namespace ExameClient.Common
{
public interface ITSFHelper
{
short[] GetLangIDS();
bool ActiveInputMethodWithDesc(short langID, string desc);
string[] GetInputMethodList(short langID);
string GetCurrentInputMethodDesc(short langID);
bool DeActiveInputMethod(short langID);
}
public class TSFHelper : ITSFHelper
{
public short[] GetLangIDS()
{
return TSFWrapper.GetLangIDs();
}
public bool ActiveInputMethodWithDesc(short langID, string desc)
{
return TSFWrapper.ActiveInputMethodWithDesc(langID, desc);
}
public string[] GetInputMethodList(short langID)
{
return TSFWrapper.GetInputMethodList(langID);
}
public string GetCurrentInputMethodDesc(short langID)
{
return TSFWrapper.GetCurrentInputMethodDesc(langID);
}
public bool DeActiveInputMethod(short langID)
{
return TSFWrapper.DeActiveInputMethod(langID);
}
}
public static class TSFWrapper
{
public static short[] GetLangIDs()
{
List<short> langIDs = new List<short>();
ITfInputProcessorProfiles profiles;
if (TSF_NativeAPI.TF_CreateInputProcessorProfiles(out profiles) == 0)
{
IntPtr langPtrs;
int fetchCount = 0;
if (profiles.GetLanguageList(out langPtrs, out fetchCount) == 0)
{
for (int i = 0; i < fetchCount; i++)
{
short id = Marshal.ReadInt16(langPtrs, sizeof(short) * i);
langIDs.Add(id);
}
}
Marshal.ReleaseComObject(profiles);
}
return langIDs.ToArray();
}
public static bool ActiveInputMethodWithDesc(short langID, string desc)
{
ITfInputProcessorProfiles profiles;
if (TSF_NativeAPI.TF_CreateInputProcessorProfiles(out profiles) == 0)
{
try
{
IEnumTfLanguageProfiles enumerator = null;
if (profiles.EnumLanguageProfiles(langID, out enumerator) == 0)
{
if (enumerator != null)
{
TF_LANGUAGEPROFILE[] langProfile = new TF_LANGUAGEPROFILE[1];
int fetchCount = 0;
while (enumerator.Next(1, langProfile, out fetchCount) == 0)
{
IntPtr ptr;
if (profiles.GetLanguageProfileDescription(ref langProfile[0].clsid, langProfile[0].langid, ref langProfile[0].guidProfile, out ptr) == 0)
{
bool enabled;
if (profiles.IsEnabledLanguageProfile(ref langProfile[0].clsid, langProfile[0].langid, ref langProfile[0].guidProfile, out enabled) == 0)
{
if (enabled)
{
string s = Marshal.PtrToStringBSTR(ptr);
if (s.Equals(desc))
return profiles.ActivateLanguageProfile(ref langProfile[0].clsid, langProfile[0].langid, ref langProfile[0].guidProfile) == 0;
}
}
Marshal.FreeBSTR(ptr);
//Marshal.FreeCoTaskMem(ptr);
}
}
}
}
}
finally
{
Marshal.ReleaseComObject(profiles);
}
}
return false;
}
public static string[] GetInputMethodList(short langID)
{
List<string> imeList = new List<string>();
ITfInputProcessorProfiles profiles;
if (TSF_NativeAPI.TF_CreateInputProcessorProfiles(out profiles) == 0)
{
try
{
IEnumTfLanguageProfiles enumerator = null;
if (profiles.EnumLanguageProfiles(langID, out enumerator) == 0)
{
if (enumerator != null)
{
TF_LANGUAGEPROFILE[] langProfile = new TF_LANGUAGEPROFILE[1];
int fetchCount = 0;
while (enumerator.Next(1, langProfile, out fetchCount) == 0)
{
IntPtr ptr;
if (profiles.GetLanguageProfileDescription(ref langProfile[0].clsid, langProfile[0].langid, ref langProfile[0].guidProfile, out ptr) == 0)
{
bool enabled;
if (profiles.IsEnabledLanguageProfile(ref langProfile[0].clsid, langProfile[0].langid, ref langProfile[0].guidProfile, out enabled) == 0)
{
if (enabled)
imeList.Add(Marshal.PtrToStringBSTR(ptr));
}
}
Marshal.FreeBSTR(ptr);
//in windows 2008, it will crash.
//Marshal.FreeCoTaskMem(ptr);
}
}
}
}
finally
{
Marshal.ReleaseComObject(profiles);
}
}
return imeList.ToArray();
}
public static string GetCurrentInputMethodDesc(short langID)
{
ITfInputProcessorProfiles profiles;
if (TSF_NativeAPI.TF_CreateInputProcessorProfiles(out profiles) == 0)
{
try
{
Guid clsid;
Guid profileid;
Guid catid = new Guid(TSF_NativeAPI.GUID_TFCAT_TIP_KEYBOARD.ToByteArray());
if (profiles.GetDefaultLanguageProfile(langID, ref catid, out clsid, out profileid) == 0)
{
if (profiles.GetActiveLanguageProfile(ref clsid, out langID, out profileid) == 0)
{
IntPtr ptr;
try
{
if (profiles.GetLanguageProfileDescription(ref clsid, langID, ref profileid, out ptr) == 0)
{
string s = Marshal.PtrToStringBSTR(ptr);
Marshal.FreeBSTR(ptr);
//in windows 2008 , it will carsh.
//Marshal.FreeCoTaskMem(ptr);
return s;
}
}
catch (Exception ex)
{
int i = 0;
}
}
}
}
finally
{
Marshal.ReleaseComObject(profiles);
}
}
return string.Empty;
}
public static bool DeActiveInputMethod(short langID)
{
List<string> imeList = new List<string>();
ITfInputProcessorProfiles profiles;
if (TSF_NativeAPI.TF_CreateInputProcessorProfiles(out profiles) == 0)
{
try
{
Guid clsid = Guid.Empty;
return profiles.ActivateLanguageProfile(ref clsid, langID, ref clsid) == 0;
}
finally
{
Marshal.ReleaseComObject(profiles);
}
}
return false;
}
}
[StructLayout(LayoutKind.Sequential)]
internal struct TF_LANGUAGEPROFILE
{
internal Guid clsid;
internal short langid;
internal Guid catid;
[MarshalAs(UnmanagedType.Bool)]
internal bool fActive;
internal Guid guidProfile;
}
[ComImport, SecurityCritical, SuppressUnmanagedCodeSecurity,
Guid("1F02B6C5-7842-4EE6-8A0B-9A24183A95CA"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface ITfInputProcessorProfiles
{
[SecurityCritical]
void Register(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
void Unregister(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
void AddLanguageProfile(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
void RemoveLanguageProfile(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
void EnumInputProcessorInfo(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
int GetDefaultLanguageProfile(short langid, ref Guid catid, out Guid clsid, out Guid profile);
[SecurityCritical]
void SetDefaultLanguageProfile(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
int ActivateLanguageProfile(ref Guid clsid, short langid, ref Guid guidProfile);
[PreserveSig, SecurityCritical]
int GetActiveLanguageProfile(ref Guid clsid, out short langid, out Guid profile);
[SecurityCritical]
int GetLanguageProfileDescription(ref Guid clsid, short langid, ref Guid profile, out IntPtr desc);
[SecurityCritical]
void GetCurrentLanguage(out short langid); //non-implement!! may be is wrong declaration.
[PreserveSig, SecurityCritical]
int ChangeCurrentLanguage(short langid); //non-implement!! may be is wrong declaration.
[PreserveSig, SecurityCritical]
int GetLanguageList(out IntPtr langids, out int count);
[SecurityCritical]
int EnumLanguageProfiles(short langid, out IEnumTfLanguageProfiles enumIPP);
[SecurityCritical]
int EnableLanguageProfile();
[SecurityCritical]
int IsEnabledLanguageProfile(ref Guid clsid, short langid, ref Guid profile, out bool enabled);
[SecurityCritical]
void EnableLanguageProfileByDefault(); //non-implement!! may be is wrong declaration.
[SecurityCritical]
void SubstituteKeyboardLayout(); //non-implement!! may be is wrong declaration.
}
[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
Guid("3d61bf11-ac5f-42c8-a4cb-931bcc28c744")]
internal interface IEnumTfLanguageProfiles
{
void Clone(out IEnumTfLanguageProfiles enumIPP);
[PreserveSig]
int Next(int count, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)]
TF_LANGUAGEPROFILE[] profiles, out int fetched);
void Reset();
void Skip(int count);
}
internal static class TSF_NativeAPI
{
public static readonly Guid GUID_TFCAT_TIP_KEYBOARD;
static TSF_NativeAPI()
{
GUID_TFCAT_TIP_KEYBOARD = new Guid(0x34745c63, 0xb2f0,
0x4784, 0x8b, 0x67, 0x5e, 0x12, 200, 0x70, 0x1a, 0x31);
}
[SecurityCritical, SuppressUnmanagedCodeSecurity, DllImport("msctf.dll")]
public static extern int TF_CreateInputProcessorProfiles(out ITfInputProcessorProfiles profiles);
}
}
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