Procedure WindowCallback(hWnd, Msg, wParam, lParam)
  Shared hButton

  Select Msg
    Case #WM_COMMAND
       If hButton = lParam
         MessageBox_(hWnd,"Ну что ж за день сегодня такой?"+Chr(10)+"Все меня закликали бедную!","Бедная я кнопко!",64)
       EndIf
    Case #WM_CLOSE
      DestroyWindow_(hWnd)
    Case #WM_DESTROY
      PostQuitMessage_(0) : Result  = 0
    Default
      Result  = DefWindowProc_(hWnd, Msg, wParam, lParam)
  EndSelect

  ProcedureReturn Result
EndProcedure

InitCommonControls_()
DefaultFont = GetStockObject_(#DEFAULT_GUI_FONT)

WindowClass.s    = "PureBasic_Win"
wc.WNDCLASSEX
wc\cbsize        = SizeOf(WNDCLASSEX)
wc\lpfnWndProc   = @WindowCallback()
wc\hCursor       = LoadCursor_(0, #IDC_ARROW)
wc\hbrBackground = #COLOR_WINDOW
wc\lpszClassName = @WindowClass
RegisterClassEx_(@wc)

Win_x=GetSystemMetrics_(#SM_CXSCREEN)/2-100
Win_y=GetSystemMetrics_(#SM_CYSCREEN)/2-50

hWndMain  = CreateWindowEx_(0, WindowClass, "Мелкая прога API", #WS_SYSMENU | #WS_MINIMIZEBOX, Win_x, Win_y, 200, 120, 0, 0, 0, 0)

Text.s="Бинарник этой проги довольно мелкий и не требует дополнительных DLL для своей работы"
hText=CreateWindowEx_(0,"Static", Text, #WS_CHILD | #WS_VISIBLE, 10,10,180,54, hWndMain, 0, 0, 0)
SendMessage_(hText, #WM_SETFONT, DefaultFont, 1)

hButton=CreateWindowEx_(0, "Button", "Типа кнопко", #WS_CHILD | #WS_VISIBLE, 100,64,80,24, hWndMain, 0, 0, 0)
SendMessage_(hButton, #WM_SETFONT, DefaultFont, 1)


ShowWindow_(hWndMain,  #SW_SHOWDEFAULT)
UpdateWindow_(hWndMain);

While GetMessage_(msg.MSG, #Null, 0, 0 )
  TranslateMessage_(msg)
  DispatchMessage_(msg)
Wend
End