Touch

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

User input is the means by which the user communicates with a device. The OEM determines the specific combination of input devices that are supported by the Windows Mobile device. Different devices support different input devices. For example, some devices support a touch screen for text entry, instead of a keyboard. Other platforms might include handwriting recognition software in place of or in addition to a keyboard.

Windows Mobile devices support touch screens. Users can touch the screen with either a stylus or their fingers. Touch is used to move to new screens, interact with common controls, and input text by using an on–screen keyboard or handwriting recognition.

A stylus is recommended (for a resistive display device) when the display screen is smaller than the minimum size shown in this table:

Screen Type Resolution Logical DPI Minimum Size Recommended Size

QVGA

320 X 240 or 240 X 320

96

2.8

3.2

WQVGA

400 X 240 or 240 X 400

96

3.2

3.6

320 Square

320 X 320

128

2.3

2.7

480 Square

480 X 480

192

2.3

2.7

HVGA

480 X 320 or 320 X 480

128

3.0

3.4

VGA

640 X 480 or 480 X 640

192

2.8

3.2

WVGA

800 X 480 or 480 X 800

192

3.2

3.6

FWVGA

854 X 480 or 480 X 854

192

3.4

3.8

There are two kinds of touch events recognized in Windows Mobile. The first is a standard touch event in which you use your finger or stylus to select, drag, or manipulate an object on the screen. Examples of this are typing by using a Software-based Input Panel, clicking a link, opening an e-mail by selecting it, or scrolling by using a scrollbar. The second kind of touch event is a gesture. Specific, short, directional motions with the finger or stylus, called touch gestures, are mapped to different kinds of behavior such as pan, and select and hold.

The stylus or finger generates an input event when the user touches the screen. To an application, touch input is a subset of mouse input. When the user presses and releases the stylus on the screen, the application processes these events as a click of the left mouse button. When the user moves the stylus across the screen, the application processes this action as a movement of a mouse.

Using Gestures in Windows Mobile 6.5

Provides a description of the Touch Screen Gesture programming elements.

User Interface

Provides information on the ways that a user can interact with a Windows Mobile device and its applications.

Mouse

Provides information about support for mouse input in Windows Mobile.

Software-based Input Panel

Provides information about how to input data through the Software Input Panel.

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