+WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str)
+{
+ return wxBasicString(str).Get();
+}
+
+WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
+{
+#if wxUSE_UNICODE
+ wxString str(bStr);
+#else
+ int len = SysStringLen(bStr) + 1;
+ char *buf = new char[len];
+ (void)wcstombs( buf, bStr, len);
+ wxString str(buf);
+ delete[] buf;
+#endif
+ return str;
+}
+
+// ----------------------------------------------------------------------------
+// wxBasicString
+// ----------------------------------------------------------------------------
+
+// ctor takes an ANSI string and transforms it to Unicode
+wxBasicString::wxBasicString(const char *sz)
+{
+ Init(sz);
+}
+
+// ctor takes an ANSI or Unicode string and transforms it to Unicode
+wxBasicString::wxBasicString(const wxString& str)
+{
+#if wxUSE_UNICODE
+ m_wzBuf = new OLECHAR[str.length() + 1];
+ memcpy(m_wzBuf, str.c_str(), str.length()*2);
+ m_wzBuf[str.length()] = L'\0';
+#else
+ Init(str.c_str());
+#endif
+}
+
+// Takes an ANSI string and transforms it to Unicode
+void wxBasicString::Init(const char *sz)
+{
+ // get the size of required buffer
+ UINT lenAnsi = strlen(sz);
+#ifdef __MWERKS__
+ UINT lenWide = lenAnsi * 2 ;
+#else
+ UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
+#endif
+
+ if ( lenWide > 0 ) {
+ m_wzBuf = new OLECHAR[lenWide + 1];
+ mbstowcs(m_wzBuf, sz, lenAnsi);
+ m_wzBuf[lenWide] = L'\0';
+ }
+ else {
+ m_wzBuf = NULL;
+ }
+}
+
+// dtor frees memory
+wxBasicString::~wxBasicString()
+{
+ delete [] m_wzBuf;
+}
+
+#if wxUSE_DATAOBJ