#include <windows.h>
#include <commctrl.h>
#include "Example_res.h"

LRESULT CALLBACK MainDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);

HINSTANCE hInstance;

// WinMain

int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmdLine, int nCmdShow)
{
   hInstance=hInst;
        InitCommonControls();
   DialogBox(hInstance, (LPCTSTR)IDD_MAINWINDOW, HWND_DESKTOP, (DLGPROC)MainDlgProc);

   return 0;
}

// MainDlgProc

LRESULT CALLBACK MainDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
   switch (message)
   {
      case WM_INITDIALOG:
      {
         RECT r, r2;
         GetWindowRect(hDlg,&r);
         GetWindowRect(GetDesktopWindow(),&r2);
         MoveWindow(hDlg,(r2.right/2)-((r.right-r.left)/2),(r2.bottom/2)-((r.bottom-r.top)/2),r.right-r.left,r.bottom-r.top,TRUE);
         break;
      }

      case WM_COMMAND:
      {
         if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
         {
            EndDialog(hDlg, LOWORD(wParam));
            return TRUE;
         }
         break;
      }
   }
   return FALSE;
}

// Example : Resource File

#ifndef WS_VISIBLE
#include <windows.h>
#endif

#include "Example_res.h"

IDD_MAINWINDOW DIALOGEX DISCARDABLE 20, 20, 208, 86
STYLE WS_OVERLAPPEDWINDOW
CAPTION "Example"
FONT 8, "Tahoma"
BEGIN
    DEFPUSHBUTTON   "OK",IDOK,151,7,50,14,0
    PUSHBUTTON      "Cancel",IDCANCEL,151,24,50,14,0
    LTEXT           "This is a dialog box",IDC_STATIC,10,10,100,22
END

IDI_ICON1 ICON DISCARDABLE "C:/Example/icon.ico"

// Example : Resource Defs

#ifndef IDC_STATIC
#define IDC_STATIC -1
#endif

#define IDD_MAINWINDOW 1001
#define IDI_ICON1      1002