[技术分享]C#中使用IFELanguage进行分词和注音处理

from
http://blog.sina.com.cn/s/blog_589d32f501000aya.html
IFELanguage这个接口MSDN里可以查到
但C#的例子没有搜索到过
这里贴一个和大家分享

效果是这样：
=qǐngnínduìníndeyánxíngfùzézūnshǒuzhōnghuárénmíngònghéguóyǒuguānfǎlǜfǎguīzūnzhòngwǎngshàngdàodé
请(qǐng)
您(nín)
对(duì)
您(nín)
的(de)
言行(yánxíng)
负责(fùzé)
，
遵守(zūnshǒu)
中华人民共和国(zhōnghuárénmíngònghéguó)
有关(yǒuguān)
法律(fǎlǜ)
、
法规(fǎguī)
,
尊重(zūnzhòng)
网上(wǎngshàng)
道德(dàodé)

using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

[DllImport("ole32.dll")]
public static extern int CLSIDFromString(
[MarshalAs(UnmanagedType.LPWStr)] string lpsz,
out Guid clsid);

[DllImport("ole32.dll")]
public static extern int CoCreateInstance(
[In, MarshalAs(UnmanagedType.LPStruct)] Guid clsid,
IntPtr pUnkOuter, uint dwClsContext,
[In, MarshalAs(UnmanagedType.LPStruct)] Guid iid,
out IntPtr pv);

[DllImport("ole32.dll", CallingConvention = CallingConvention.StdCall)]
public static extern int CoInitialize(IntPtr pvReserved);

public const int FELANG_REQ_REV = 0x00030000;
public const int FELANG_CMODE_PINYIN = 0x00000100;
public const int FELANG_CMODE_NOINVISIBLECHAR = 0x40000000;

[ComImport]
[Guid("019F7152-E6DB-11D0-83C3-00C04FDDB82E")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IFELanguage
{
[MethodImpl(MethodImplOptions.InternalCall,
MethodCodeType = MethodCodeType.Runtime)]
int Open();
[MethodImpl(MethodImplOptions.InternalCall,
MethodCodeType = MethodCodeType.Runtime)]
int Close();
[MethodImpl(MethodImplOptions.InternalCall,
MethodCodeType = MethodCodeType.Runtime)]
int GetJMorphResult(
[In] uint dwRequest,
[In] uint dwCMode,
[In] int cwchInput,
[In, MarshalAs(UnmanagedType.LPWStr)] string pwchInput,
[In] IntPtr pfCInfo,
[Out] out IntPtr ppResult
);
}

public const int CLSCTX_INPROC_SERVER = 1;
public const int CLSCTX_INPROC_HANDLER = 2;
public const int CLSCTX_LOCAL_SERVER = 4;
public const int CLSCTX_SERVER = CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER;

[DllImport("kernel32.dll")]
public static extern int FormatMessage(int dwFlags, IntPtr lpSource,
int dwMessageId, int dwLanguageId,
StringBuilder lpBuffer, int nSize, IntPtr va_list_arguments);
public const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x200;
public const int FORMAT_MESSAGE_FROM_SYSTEM = 0x1000;
public const int FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x2000;

[DllImport("kernel32.dll")]
public static extern int GetLastError();

[DllImport("ole32.dll")]
public static extern void CoTaskMemFree(IntPtr ptr);

public const int S_OK = 0x00000000;

public static string GetMessage(int errorCode)
{
StringBuilder lpBuffer = new StringBuilder(0x200);
if (FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ARGUMENT_ARRAY,
IntPtr.Zero, errorCode, 0, lpBuffer, lpBuffer.Capacity, IntPtr.Zero) != 0)
{
return lpBuffer.ToString();
}
return "Unknown";
}

private bool coInitialized = false;
private void button1_Click(object sender, EventArgs e)
{
if (!coInitialized)
{
CoInitialize(IntPtr.Zero);
coInitialized = true;
}

textBox2.Clear();
Guid vGuidIme;
int vError;
vError = CLSIDFromString("MSIME.China", out vGuidIme);
if (vError != S_OK)
{
MessageBox.Show(GetMessage(vError));
return;
}
Guid vGuidLanguage = new Guid("019F7152-E6DB-11D0-83C3-00C04FDDB82E");
IntPtr vPPV;
vError = CoCreateInstance(vGuidIme, IntPtr.Zero, CLSCTX_SERVER,
vGuidLanguage, out vPPV);
if (vError != S_OK)
{
MessageBox.Show(GetMessage(vError));
return;
}
IFELanguage vLanguage =
Marshal.GetTypedObjectForIUnknown(vPPV, typeof(IFELanguage)) as IFELanguage;
vError = vLanguage.Open();
if (vError != S_OK)
{
MessageBox.Show(GetMessage(vError));
return;
}
IntPtr vMorrslt;
string vInput = textBox1.Text;
vError = vLanguage.GetJMorphResult(FELANG_REQ_REV,
FELANG_CMODE_PINYIN | FELANG_CMODE_NOINVISIBLECHAR,
vInput.Length, vInput, IntPtr.Zero, out vMorrslt);
if (vError != S_OK)
{
MessageBox.Show(GetMessage(vError));
return;
}
string vPinYin = Marshal.PtrToStringUni(Marshal.ReadIntPtr(vMorrslt, 4),
Marshal.ReadInt16(vMorrslt, 8));
textBox2.AppendText("=" + vPinYin + "\r\n");
IntPtr vMonoRubyPos = Marshal.ReadIntPtr(vMorrslt, 28);
IntPtr vReadIdxWDD = Marshal.ReadIntPtr(vMorrslt, 24);
int iReadIdxWDD = 0;
int iMonoRubyPos = Marshal.ReadInt16(vMonoRubyPos);
vMonoRubyPos = (IntPtr)((int)vMonoRubyPos + 2);
int i = 0;
while (i < vInput.Length)
{
while (i < Marshal.ReadInt16(vReadIdxWDD))
{
i++;
if (i >= Marshal.ReadInt16(vReadIdxWDD))
{
Console.WriteLine(Marshal.ReadInt16(vMonoRubyPos));
string s = vPinYin.Substring(iMonoRubyPos,
Marshal.ReadInt16(vMonoRubyPos) - iMonoRubyPos);
if (s != string.Empty)
s = vInput.Substring(iReadIdxWDD, i - iReadIdxWDD) + "(" + s + ")";
else s = vInput.Substring(iReadIdxWDD, i - iReadIdxWDD);
textBox2.AppendText(s + "\r\n");
iReadIdxWDD = i;
iMonoRubyPos = Marshal.ReadInt16(vMonoRubyPos);
break;
}
vMonoRubyPos = (IntPtr)((int)vMonoRubyPos + 2);
vReadIdxWDD = (IntPtr)((int)vReadIdxWDD + 2);
}
vMonoRubyPos = (IntPtr)((int)vMonoRubyPos + 2);
vReadIdxWDD = (IntPtr)((int)vReadIdxWDD + 2);
}
CoTaskMemFree(vMorrslt);
vLanguage.Close();
}