diff --git a/pykd/pykdver.h b/pykd/pykdver.h
index 5b87b1e..9e43c01 100644
--- a/pykd/pykdver.h
+++ b/pykd/pykdver.h
@@ -2,7 +2,7 @@
 #define PYKD_VERSION_MAJOR      0
 #define PYKD_VERSION_MINOR      3
 #define PYKD_VERSION_SUBVERSION 2
-#define PYKD_VERSION_BUILDNO    6
+#define PYKD_VERSION_BUILDNO    7
 
 #define __VER_STR2__(x) #x
 #define __VER_STR1__(x) __VER_STR2__(x)
diff --git a/pykd/pymod.cpp b/pykd/pymod.cpp
index 98629ec..f9eb93f 100644
--- a/pykd/pymod.cpp
+++ b/pykd/pymod.cpp
@@ -418,6 +418,7 @@ BOOST_PYTHON_MODULE( pykd )
         "Define custom function prototype" ) );
     python::def( "callFunctionByPtr", python::raw_function(pykd::callFunctionByVar, 1) );
     python::def( "callFunctionByAddr", python::raw_function(pykd::callFunctionByOffset, 2) );
+    python::def( "callFunctionRaw", python::raw_function(pykd::callFunctionRaw, 1) );
 
     python::def( "getTypeFromSource", &pykd::getTypeFromSource, getTypeFromSource_( python::args("sourceCode", "typeName", "compileOptions"),
         "Create typeInfo class from C/C++ source code") );
diff --git a/pykd/pytypeinfo.cpp b/pykd/pytypeinfo.cpp
index f891722..632bd6d 100644
--- a/pykd/pytypeinfo.cpp
+++ b/pykd/pytypeinfo.cpp
@@ -159,6 +159,7 @@ python::list TypeInfoAdapter::getElementDir(kdlib::TypeInfo &typeInfo)
 
 ///////////////////////////////////////////////////////////////////////////////
 
+
 python::object  callTypedVar(kdlib::TypedVarPtr& funcobj, python::tuple& args)
 {
     kdlib::TypedValue   retVal;
@@ -176,6 +177,30 @@ python::object  callTypedVar(kdlib::TypedVarPtr& funcobj, python::tuple& args)
             continue;
         }
 
+        python::extract<std::wstring>   getStrVar(args[i]);
+        if ( getStrVar.check() )
+        {
+            std::wstringstream  sstr;
+
+            if ( funcobj->getType()->getElement(i)->getName() == L"Char*" )
+            {
+                std::string  strArg = _bstr_t( getStrVar().c_str() );
+                sstr << "Char[" << std::dec << strArg.size() + 1 << ']';
+                argLst.push_back( kdlib::loadTypedVar(sstr.str(), kdlib::getCacheAccessor( strArg.c_str(), strArg.size() + 1 ) ) );
+                continue;
+            }
+
+            if ( funcobj->getType()->getElement(i)->getName() == L"WChar*" )
+            {
+                std::wstring  strArg = getStrVar();
+                sstr << "WChar[" << std::dec << strArg.size() + 1 << ']';
+                argLst.push_back( kdlib::loadTypedVar(sstr.str(), kdlib::getCacheAccessor( strArg.c_str(), 2*(strArg.size() + 1) ) ) );
+                continue;
+            }
+
+            throw kdlib::TypeException(L"failed convert string argument");
+        }
+
         python::extract<kdlib::NumBehavior>  getNumVar(args[i]);
         if ( getNumVar.check() )
         {
@@ -184,8 +209,15 @@ python::object  callTypedVar(kdlib::TypedVarPtr& funcobj, python::tuple& args)
             continue;
         }
 
-        kdlib::NumVariant  var= NumVariantAdaptor::convertToVariant(args[i]);
-        argLst.push_back( var );
+
+        if ( python::extract<int>(args[i]).check() )
+        {
+            kdlib::NumVariant  var= NumVariantAdaptor::convertToVariant(args[i]);
+            argLst.push_back( var );
+            continue;
+        }
+
+        throw kdlib::TypeException(L"failed convert argument");
     }
 
     {
@@ -227,4 +259,77 @@ python::object callFunctionByOffset( python::tuple& args, python::dict& kwargs)
 
 ///////////////////////////////////////////////////////////////////////////////
 
+python::object callFunctionRaw( python::tuple& args, python::dict& kwargs)
+{
+    kdlib::MEMOFFSET_64  funcaddr = python::extract<kdlib::MEMOFFSET_64>(args[0]);
+
+    kdlib::CallingConventionType   callingConvention = kdlib::CallingConventionType::CallConv_NearC;
+        
+    if ( kwargs.has_key("callingConvention") )
+        callingConvention = python::extract<kdlib::CallingConventionType>(kwargs["callingConvention"]);
+
+    size_t  argCount  = python::len(args);
+
+    kdlib::TypedValueList  argLst;
+
+    for ( size_t  i = 0; i < argCount; ++i )
+    {
+        python::extract<kdlib::TypedVarPtr>   getTypedVar(args[i]);
+        if ( getTypedVar.check() )
+        {
+            argLst.push_back( getTypedVar() );
+            continue;
+        }
+
+        python::extract<std::string>  getStrVar(args[i]);
+        if ( getStrVar.check() )
+        {
+            std::string  strArg  = getStrVar();
+            std::wstringstream  sstr;
+            sstr << L"Char[" << std::dec << strArg.size() + 1 << L']';
+            argLst.push_back( kdlib::loadTypedVar(sstr.str(), kdlib::getCacheAccessor( strArg.c_str(), strArg.size() + 1 ) ) );
+            continue;
+        }
+
+        python::extract<std::wstring>  getWStrVar(args[i]);
+        if ( getWStrVar.check() )
+        {
+            std::wstring  strArg  = getWStrVar();
+            std::wstringstream  sstr;
+            sstr << L"WChar[" << std::dec << strArg.size() + 1 << L']';
+            argLst.push_back( kdlib::loadTypedVar(sstr.str(), kdlib::getCacheAccessor( strArg.c_str(), 2*(strArg.size() + 1) ) ) );
+            continue;
+        }
+
+        python::extract<kdlib::NumBehavior>  getNumVar(args[i]);
+        if ( getNumVar.check() )
+        {
+            kdlib::NumVariant   var = getNumVar();
+            argLst.push_back( var );
+            continue;
+        }
+
+        if ( python::extract<int>(args[i]).check() )
+        {
+            kdlib::NumVariant  var= NumVariantAdaptor::convertToVariant(args[i]);
+            argLst.push_back( var );
+            continue;
+        }
+
+        throw kdlib::TypeException(L"failed convert argument");
+    }
+
+    kdlib::NumVariant  retVal;
+
+    {
+        AutoRestorePyState  pystate;
+        retVal = kdlib::callRaw(funcaddr, callingConvention, argLst);
+    }
+
+   return NumVariantAdaptor::convertToPython(retVal);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+
 } // pykd namespace
diff --git a/pykd/pytypeinfo.h b/pykd/pytypeinfo.h
index 54a1929..8f2543f 100644
--- a/pykd/pytypeinfo.h
+++ b/pykd/pytypeinfo.h
@@ -48,6 +48,8 @@ python::object callFunctionByVar( python::tuple& args, python::dict& kwargs );
 
 python::object callFunctionByOffset( python::tuple& args, python::dict& kwargs);
 
+python::object callFunctionRaw( python::tuple& args, python::dict& kwargs);
+
 
 inline kdlib::TypeInfoPtr getTypeInfoByName( const std::wstring &name )
 {
diff --git a/samples/um/createfile.py b/samples/um/createfile.py
index b4e6f5a..5916bee 100644
--- a/samples/um/createfile.py
+++ b/samples/um/createfile.py
@@ -1,4 +1,4 @@
-
+
 import pykd
 
 GENERIC_READ = 0x80000000
@@ -27,13 +27,10 @@ def main():
     CreateFileW_Type.append("dwFlagsAndAttributes", DWORD )
     CreateFileW_Type.append("hTemplateFile", HANDLE )
 
-    fileNameBuf = pykd.stackAlloc(100)
-    pykd.writeWStr(fileNameBuf, "C:\\temp\\testfile.txt")
-
     CreateFileW = pykd.typedVar( CreateFileW_Type, kernel32.CreateFileW )
 
     fileHandle = CreateFileW( 
-        fileNameBuf,
+        "C:\\temp\\testfile.txt",
         GENERIC_READ | GENERIC_WRITE,
         0,
         NULL,
@@ -43,7 +40,5 @@ def main():
 
     print "File Handle", hex(fileHandle)
 
-    pykd.stackFree(100)
-
 if __name__ == "__main__":
     main()