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1 pmbaty 1 
// dialog_load.cpp
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#include "../common.h"
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// local prototypes
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static void StartThread_ThisDialog (void *thread_parms);
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void DialogBox_Load (void)
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{
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   // helper function to fire up the modeless dialog box
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   _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
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   return; // return as soon as the thread is fired up
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}
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void DialogBox_Load_Validated (void)
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{
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   // callback function called by the main game thread when the dialog box is validated
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   wchar_t fen_string[128];
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   int length;
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   // remember this callback is no longer to be called
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   is_dialogbox_load_validated = false;
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   length = wcslen (load_pathname); // get pathname length
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   // is it a FEN or a PGN filename ?
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   if ((length > 4) && (_wcsicmp (&load_pathname[length - 4], L".fen") == 0))
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   {
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      //////////////////////////////
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      // load the requested FEN game
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      if (FENFile_Load (load_pathname, fen_string, WCHAR_SIZEOF (fen_string))
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          && Board_Reset (&the_board, fen_string))
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      {
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         animation_endtime = current_time + ANIMATION_DURATION; // start with an animation
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         sound_playtime = current_time + ANIMATION_DURATION - 0.1f; // play sound near the end of animation
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         the_board.reevaluate = true; // evaluate the new board
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         the_scene.update = true; // update scene
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      }
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      else
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      {
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         messagebox.hWndParent = hMainWnd;
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         wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
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         wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
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         messagebox.flags = MB_ICONWARNING | MB_OK;
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         DialogBox_Message (&messagebox); // on error, display a modeless error message box
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      }
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   }
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   else
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   {
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      //////////////////////////////
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      // load the requested PGN file
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      if (PGNFile_Load (load_pathname))
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      {
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         // is there only one game in this PGN file ?
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         if (game_count == 1)
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         {
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            if (PGNFile_LoadGame (&the_board, load_pathname, &games[0])) // then automatically choose the first one
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            {
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               animation_endtime = current_time + ANIMATION_DURATION; // start with an animation
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               sound_playtime = current_time + ANIMATION_DURATION - 0.1f; // play sound near the end of animation
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               the_board.reevaluate = true; // evaluate the new board
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               the_scene.update = true; // update scene
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            }
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            else
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            {
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               messagebox.hWndParent = hMainWnd;
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               wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
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               wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
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               messagebox.flags = MB_ICONWARNING | MB_OK;
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               DialogBox_Message (&messagebox); // on error, display a modeless error message box
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            }
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         }
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         // else is there more than one game in this PGN file ?
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         else if (game_count > 1)
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            Window_Games (); // if so, show the PGN games window
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      }
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      else
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      {
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         messagebox.hWndParent = hMainWnd;
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         wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
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         wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
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         messagebox.flags = MB_ICONWARNING | MB_OK;
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         DialogBox_Message (&messagebox); // on error, display a modeless error message box
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      }
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   }
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   return; // finished, game is loaded
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}
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static void StartThread_ThisDialog (void *thread_parms)
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{
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   // this function runs in a separate thread, for that's the only way (seemingly)
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   // to implement a non-modal Open dialog box using the Common Controls library.
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   OPENFILENAME ofn;
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   // reset and prepare the open file name structure
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   memset (&ofn, 0, sizeof (ofn));
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   ofn.lStructSize = sizeof (ofn);
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   ofn.hwndOwner = hMainWnd;
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   ofn.lpstrFilter = LOCALIZE (L"GameFileFilter");
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   ofn.nFilterIndex = 1; // first filter (list is 1-based)
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   ofn.lpstrFile = load_pathname;
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   ofn.nMaxFile = WCHAR_SIZEOF (load_pathname);
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   ofn.Flags = OFN_ENABLESIZING | OFN_EXPLORER | OFN_ENABLEHOOK | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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   // display the dialog box and get the file name
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   if (GetOpenFileName (&ofn) != 0)
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      is_dialogbox_load_validated = true;
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   the_board.reevaluate = true; // refresh the GUI buttons if needed
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   return; // _endthread() implied
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}