MFC AppWizard Notes 4 Page 4 of 19
soon as you click on the dialog box the image should appear, but you will need to position it with
the cursor keys or the mouse. Refer to Section 3 of the notes on the “Quadratic” example for more
information on the Center Image and Real Size Image options.
During the above editing, you were able to add the items in any order you wished. However, when
using the finished dialog, it is convenient if successive presses on the Tab key move the focus from
Edit Box “a” through to “b”, then to the “Solve” button, and on to the “Finished” button. To ensure
this happens, the items need to be numbered in an ascending sequence. Therefore, go to the Layout
menu and select “Tab order” to display the item numbers, then click on the items in the required
sequence, as indicated in the picture above.
All of the above steps should have been familiar from the previous examples. However, there is
one final item. You may have observed that “Quadratic” and other examples only had a Close
button at the right-hand end of the caption bar, whereas the above picture includes Minimize and
Maximize buttons (with the latter greyed out). If you are using your calculator-type program a lot,
it is convenient to keep it open and just Minimize it when not required. However, you never need
to Maximize or re-size it, as its size is fixed. To add these two extra buttons to the caption bar,
simply click somewhere in the bar to select the whole dialog, then go to the Properties box and
select Minimize Box under Styles. Do NOT select Maximize Box! Although you only want the
Minimize button, a greyed Maximize button is always added automatically and there is no way of
removing it. To see this in a standard Microsoft application, go and have a look at the Windows
Calculator included with the operating system: you will observe that it includes this greyed
Maximize button, just like the one shown above.
Note that even though you have only added a Minimize button, you are still able to Maximize your
dialog by going to the System Menu at the left-hand end of the caption bar. This menu includes
Maximize and Size items which are still active, since they have not been greyed out. Therefore, the
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