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); } }