wchar_t buffer[MSN_MAX_LENGTH];
//mbstowcs( buffer, psz_msg, MSN_MAX_LENGTH );
- int nLen = MultiByteToWideChar(CP_ACP, 0, psz_msg, -1, NULL, NULL);
+ int nLen = MultiByteToWideChar(CP_ACP, 0, psz_msg, -1, NULL, 0);
MultiByteToWideChar(CP_ACP, 0, psz_msg, -1, &buffer, nLen);
msndata.dwData = 0x547;