text: // Copyright (c) 2009-2012, Andre Caron (andre.l.caron@gmail.com)
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //  * Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //
  //  * Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in the
  //    documentation and/or other materials provided with the distribution.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #include <w32.gdi/PropertySearch.hpp>
  #include <w32.gdi/Window.hpp>
  
  namespace {
  
      ::BOOL __stdcall EnumerationProcedure (
          ::HWND window, ::LPWSTR name, ::HANDLE value, ::ULONG_PTR data
          )
      {
          w32::gdi::PropertySearch *const search =
              reinterpret_cast<w32::gdi::PropertySearch*>(data);
          try {
              search->result(name,value);
          }
              // Consume exceptions before returning control to the system.
          catch ( ... ) {}
          return (TRUE);
      }
  
  }
  
  namespace w32 { namespace gdi {
  
      void PropertySearch::enumerate ( const Window& owner )
      {
          const ::ULONG_PTR data = reinterpret_cast<::ULONG_PTR>(this);
          ::EnumPropsExW(owner.handle(), &::EnumerationProcedure, data);
      }
  
  } }
  