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Posted 17 Dec 2007

Visual Studio 2005 and the SmartPhone

, 17 Dec 2007
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Tips on SmartPhone coding the MFC way - Part 1


The SpinControl

I decided to write for the first time, a program for the SmartPhone and found that there are many differences that need to be overcome compared to the Pocket PC. However there is not a lot of help so I decided to share a few of the tricks I found with you. Hopefully it will make SmartPhone development a little easier. Because of the time I have available, I will share one tip at a time.


This article deals mainly with MFC and dialog based applications. There is not a lot of help when coding using the MFC classes and dialog based applications for the SmartPhone. I also found that in VS 2005 help files, they removed a lot of the sample code.

The Combobox

The SmartPhone does not have a touch screen and therefore it does not natively support the Combobox. The help files tell you to use a Spin-Box. You will not find this control in the tools drop down. It has to be created using a Spin Control and a Listbox.

A Spin control must be attached to the Listbox in the code.

Here is how it is done...

First you add a listbox to your dialog. Use the following attributes:

  • Border=TRUE
  • No Integral Height=TRUE
  • Notify=TRUE
  • Vertical Scrollbar=TRUE
  • Selection=Single

and give it an ID - we will use IDC_CONTROL1

Then you add a Spin Control. The control attributes are:

  • Alignment=Right
  • Arrow Keys=True
  • Orientation=Horizontal
  • Wrap=True
  • Set Buddy Integer=TRUE

Then you need to add control variables to the listbox and spin controls, we will add m_ctrlControl1 for the listbox and m_ctrlSpin1 for the Spin Control.

Next you need to add a string variable for the listbox, for this demo we will assign a CString called m_strControl1.

// In your header, you will have the following
CString m_strControl1;
CListBox m_ctrlControl1;
CSpinButtonCtrl m_ctrlSpin1;        

Next, you will need to tie the Spin control to the list box. In the InitDialog of your application, add the following code:

BOOL CSampleDlg::OnInitDialog()

//..... startup code such as menus and defaults from the registry


Now we are ready to populate the control:


Now you can set the text to default to the first entry like this:


There you have it... A SpinBox control for the SmartPhone.

In my next article, we will discuss how to set the back arrow key on a Smartphone to act as a Backspace key while in a textbox.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Software Developer (Senior) Pocketfleet
Canada Canada
I am a mechanic with a passion for software development. I am retired from the Canadian Military. I have been programming since as far back as the first IBM Clone although I have never had any formal education in the area of computer sciences.

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Comments and Discussions

QuestionHow can i attach CUpDownCtrl with CListBox in WTL? Pin
HlaingMin1-May-08 22:50
memberHlaingMin1-May-08 22:50 
AnswerRe: How can i attach CUpDownCtrl with CListBox in WTL? Pin
DRLaverdure2-May-08 8:50
memberDRLaverdure2-May-08 8:50 

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