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    <p>Hey I have the same problem, I am evaluating if i really have to use C++ for doing the job. You can of course create a COM Server in any COM compatible environment, so also in .NET. I am by far not in any usable state, but I can tell you what I did so far. First, the msctf.dll only has a header and an IDL file (in Windows SDK 7.0), which has to be modified such that you get a type library (tlb). I used the tlbimp2 from codeplex, it has an xml based rewriting mechanism (that eases the heavy use of pointers in the type library: Here is my batch file</p> <pre><code>set sdk7=C:\Program Files\Microsoft SDKs\Windows\v7.0 set imported=msctf rem call "%sdk7%\Bin\SetEnv.cmd" midl "%sdk7%\Include\%imported%.idl" rem i copied the tlbimp2 into the sdk bin tlbimp2 /keyfile:TextService.snk %imported%.tlb /config:msctf.xml rem tlbimp /keyfile:TextService.snk %imported%.tlb rem not sure about this gacutil /u %imported% gacutil /i %imported%.dll </code></pre> <p>And here my XML rule file (to be expanded of course) <a href="http://clrinterop.codeplex.com/" rel="nofollow noreferrer">http://clrinterop.codeplex.com/</a></p> <pre class="lang-XML prettyprint-override"><code>&lt;Rules&gt; &lt;Rule Name="addlangprofile string 1" Category="Signature"&gt; &lt;Condition&gt; &lt;And&gt; &lt;NativeParentFunctionName Operator="Equal" Value="AddLanguageProfile" /&gt; &lt;NativeParameterIndex Operator="Equal" Value="4" /&gt; &lt;/And&gt; &lt;/Condition&gt; &lt;Action Name="ConvertTo"&gt; &lt;Parameter Key="Direction" Value="[In]" /&gt; &lt;Parameter Key="ByRef" Value="False" /&gt; &lt;Parameter Key="ManagedType" Value="LPArray" /&gt; &lt;Parameter Key="MarshalAs" Value="(default)" /&gt; &lt;Parameter Key="Attributes" Value="[SizeParamIndexOffset=+1]" /&gt; &lt;/Action&gt; &lt;/Rule&gt; &lt;Rule Name="addlanguageprofile string2" Category="Signature"&gt; &lt;Condition&gt; &lt;And&gt; &lt;NativeParentFunctionName Operator="Equal" Value="AddLanguageProfile" /&gt; &lt;NativeParameterIndex Operator="Equal" Value="6" /&gt; &lt;/And&gt; &lt;/Condition&gt; &lt;Action Name="ConvertTo"&gt; &lt;Parameter Key="Direction" Value="[In]" /&gt; &lt;Parameter Key="ByRef" Value="False" /&gt; &lt;Parameter Key="ManagedType" Value="LPArray" /&gt; &lt;Parameter Key="MarshalAs" Value="(default)" /&gt; &lt;Parameter Key="Attributes" Value="[SizeParamIndexOffset=+1]" /&gt; &lt;/Action&gt; &lt;/Rule&gt; &lt;Rule Name="GUID" Category="Type"&gt; &lt;Condition&gt; &lt;And&gt; &lt;NativeName Operator="Equal" Value="GUID" /&gt; &lt;/And&gt; &lt;/Condition&gt; &lt;Action Name="ResolveTo"&gt; &lt;Parameter Key="AssemblyName" Value="mscorlib" /&gt; &lt;Parameter Key="ManagedTypeFullName" Value="System.Guid" /&gt; &lt;/Action&gt; &lt;/Rule&gt; &lt;/Rules&gt; </code></pre> <p>Then I was trying to wrap the interfaces to be more .NET friendly:</p> <p>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Globalization;</p> <pre><code>using MSCTF; using System.Runtime.InteropServices; namespace TextService { public class LanguageProfiles { private ITfInputProcessorProfiles instance; public LanguageProfiles() { instance = new COMIFace&lt;ITfInputProcessorProfiles&gt;().CreateInstance(); } public CultureInfo CurrentLanguage { get { ushort plangid; instance.GetCurrentLanguage(out plangid); return CultureInfo.GetCultureInfo(plangid); } set { instance.ChangeCurrentLanguage((ushort) value.LCID); } } public IEnumerable&lt;TF_LANGUAGEPROFILE&gt; ProfilesOfLanguage(CultureInfo culture) { IEnumTfLanguageProfiles ppenum; instance.EnumLanguageProfiles( (ushort) culture.LCID, out ppenum); TF_LANGUAGEPROFILE profile; uint fetch; do { ppenum.Next(1, out profile, out fetch); yield return profile; } while (fetch == 1 &amp;&amp; profile.fActive != -1); } public void Register(ref Guid rclsid) { instance.Register(ref rclsid); } public void Unregister(ref Guid rclsid) { instance.Unregister(ref rclsid); } public void Add(ref Guid rclsid, CultureInfo info, string name, string icon) { var empty = Guid.Empty; instance.AddLanguageProfile(ref empty, (ushort)info.LCID, ref rclsid, name.ToUShortArray(), name.ULength(), icon.ToUShortArray(), icon.ULength(), 0); } public void Remove(ref Guid rclsid, CultureInfo info) { instance.RemoveLanguageProfile(ref rclsid, (ushort)info.LCID, ref rclsid); } } } </code></pre> <p>The COMIFace class is just a helper to fetch the IIDs from registry, as I only found them in the .c file generated with the IDL compiler. Better would be to parse that file I think, but this works fine too. The given class works fine, I can register the service with following batch (check if regasm enabled in the C# project Options)</p> <pre><code>set outtype=Debug set asmname=TextService cd bin\%outtype% gacutil /u %asmname% gacutil /i %asmname%.dll cd ..\.. </code></pre> <p>The problem I had is with all this that its a huge effort and there are many issues that are not worth the pain i think. I am not sure and wish anybody had some guidance. A point is, one always needs to follow some great site like this: <a href="http://blogs.msdn.com/tsfaware/default.aspx" rel="nofollow noreferrer">TSF Aware blog</a> but then u can write it in C++ anyways. One option might be C++/CLR, doing all the COM stuff and registration in C++ and the logic in C#, possible I guess</p> <p>A here is some test code which shows it basically works:</p> <p>var profiles = new LanguageProfiles();</p> <pre><code>var ko_KR = CultureInfo.GetCultureInfo("ko-KR"); foreach (var profile in profiles.ProfilesOfLanguage(ko_KR)) { Console.WriteLine("clsid: " + profile.clsid + " lid: " + CultureInfo.GetCultureInfo(profile.langid) + " catid: " + profile.catid + " active: " + profile.fActive + " guidProf: " + profile.guidProfile); var id = profile.clsid; } </code></pre>
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    1. COhey thanks a lot....i will try this...:)
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    2. COhey i can also give u my solution folder, but I dont know where there would be the best place to upload
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    3. CO@SebastianGodelet, this is great. I have been looking for a solution like this for ages. I'd really like to get my hands on anything you have that can help me with making a wrapper for TSF. Any chance you could stick some code on mediafire or some other place for us who are interested in this kind of development?
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