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- Overview
- Multi-touch: Specific WLanguage functions
A "multi-touch" feature is a technique allowing the user to interact with a device via several contact points (the fingers are used in most cases). One of the most common applications of the multi-touch feature is used to handle images. The display size on a phone being reduced, it is often necessary to perform a zoom and/or to move in an image. This technology allows you to zoom images with a pinch gesture. WINDEV Mobile allows you to manage the multi-touch in the Android and iPhone/iPad applications via:
Multi-touch: Specific WLanguage functions Several WLanguage functions can be used to manage the multi-touch in the following processes of controls: - Pressed/Left button down (optional process)
- Released/Left button up (optional process)
- Tap/Click
- Double tap/Double click with left button (optional process)
- Move (optional process).
These functions are as follows:
| | | GestureCurrentPointer | Devuelve el índice del puntero (dedo o lápiz óptico) que activó la llamada a un Process específico de la función multitáctil en un control Imagen. | | GestureNbPointer | Returns the number of pointers in contact with the screen. | | GesturePosX | Returns the horizontal position of the pointer (finger or stylus). | | GesturePosY | Devuelve la posición vertical del puntero (dedo o lápiz). |
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