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Posted 10 May 2009

Finger Gesture Support for the Compact Framework

, 10 May 2009
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An article on finger gesture support for a Pocket PC app.


Getting your Windows Mobile application to compete with the iPhone can be difficult. Here is a quick way to get the finger gesture support on your Windows Forms. This little snippet can integrate four way gesture support for your Mobile app.

Using the Code

Just copy and paste the class level variables and the two events, and instantly you will have gesture support.

public partial class Form1 :  Form

    private   int  startPositionY = 0;
    private   int  startPositionX = 0;
    //Configurable Points for your device so you can support 
    //different screen sizes . This would work on a 240x320 
    // To support a 320x240 you can switch the values
    // to support a 240x240 make them both 25
    private   const   int  Touch_ThresholdY = 100; 
    private   const   int  Touch_ThresholdX = 25;  

    public  Form1()

    private   void  Form1_MouseDown( object  sender,  MouseEventArgs  e)
        startPositionY = e.Y;
        startPositionX = e.X;

    private   void  Form1_MouseUp( object  sender,  MouseEventArgs  e)
        if  (startPositionX > e.X && startPositionY < e.Y) 
            if  ((e.Y - startPositionY) > Touch_ThresholdY)
                 MessageBox .Show(\cf4 "Finger Down" );
            else   if  ((startPositionX - e.X) > Touch_ThresholdX)
                 MessageBox .Show(\cf4 "Finger Left" );
        else   if  (startPositionX < e.X && startPositionY > e.Y) 
            if  ((startPositionY - e.Y) > Touch_ThresholdY)
                 MessageBox .Show(\cf4 "Finger Up" );
            else   if  ((e.X - startPositionX) > Touch_ThresholdX)
                 MessageBox .Show(\cf4 "Finger Right" );


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


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Comments and Discussions

GeneralMy vote of 2 Pin
toms21-Sep-09 22:45
membertoms21-Sep-09 22:45 
GeneralThis is great! Pin
gciochina20-May-09 23:05
membergciochina20-May-09 23:05 
GeneralRe: This is great! Pin
VbGuru61323-Jun-09 9:13
memberVbGuru61323-Jun-09 9:13 
GeneralMy vote of 1 Pin
Mark Nischalke11-May-09 3:09
memberMark Nischalke11-May-09 3:09 
GeneralSimilar solution but making use of the Unit Circle. Pin
M.K.A. Monster10-May-09 19:14
memberM.K.A. Monster10-May-09 19:14 
GeneralRe: Similar solution but making use of the Unit Circle. Pin
Mark Nischalke11-May-09 3:13
memberMark Nischalke11-May-09 3:13 
GeneralRe: Similar solution but making use of the Unit Circle. Pin
VbGuru61311-May-09 6:05
memberVbGuru61311-May-09 6:05 
GeneralMy vote of 1 Pin
MohammadAmiry10-May-09 18:39
memberMohammadAmiry10-May-09 18:39 
GeneralRe: My vote of 1 Pin
VbGuru61311-May-09 2:45
memberVbGuru61311-May-09 2:45 

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