touch-support.md

title	page_title	description	slug	tags	published	position
Touch Support	Touch Support	This article will describe the build-in touch support.	touch-support	touch,support	true	3

Touch Support

Telerik UI for {{ site.framework_name }} now provides touch support. The functionality is built on top of our [TouchManager]({%slug touchmanager-overview%}) framework which provides the needed extensibility and the ability for each of the specific controls in the suite to support only the needed for it gestures.

Gestures

Touch gestures describe gestures in which you use a finger or stylus to a movement over a control or object on the screen. These are the commonly supported ones for the suite:

Gesture	-	Description
	Swipe	The user presses and holds on the screen and then drags the finger / stylus in any direction.
	Pinch	The user touches the screen with two (or more) fingers and moves them inwards or outwards.
	Tap	The user touches the screen.
	Tap and Move	The user presses and holds the screen for a short period of time (between 600ms and 800ms) and drags his finger / stylus in any direction.
	Tap and Hold	The user presses and holds the screen for a short period of time (more than 800ms).

As of version Q2 2015, the TouchIndicator is represented by a single circle.

Controls Behavior

Below are listed the controls and their behavior with the different gestures:

Control	Swipe	Pinch	Tap	Tap and Move	Tap and Hold	Custom
RadCalendar	Next/Previous	Semantic zoom (only outwards)	Click	-	-	-{% if site.site_name == 'WPF' %}
RadCarousel	Next/Previous	-	Click/Selection	-	-	-{% endif %}
RadChartView	Scroll	Zoom	Click/Selection/Tooltip	Trackball	Show ToolTip	-
RadComboBox	Scroll DropDown	-	Click	-	-	-{% if site.site_name == 'Silverlight' %}
RadCoverFlow	Scroll with inertia	-	Click	Scroll (if possible)	-	-{% endif %}
RadDiagram	Pan with Inertia	Zoom	Select	Scroll	Shows circle for Rectangle Selection	Tap and Hold and Move will start a rectangle Selection
RadGanttView	Scroll with inertia	Zoom	Click	On item - Drag&Drop; on slot - Scroll	-	-
RadGauge	-	-	Click	Moves indicators	Shows tooltip	-
RadGridView	Scroll	-	Click/Selection	HeaderCell/GroupPanelItem - Drag&Drop	-	-
RadImageEditor	Scroll	Zoom	-	-	-	-
RadListBox	Scroll with inertia	-	Click	Drag&Drop	-	-
RadMap	Pan	Zoom	Click/Selection	-	-	Double Tap -> Zoom
RadPdfViewer	Scroll	Zoom	Click	-	-	Selection markers to extend the selection
RadRropertyGrid	Scroll	-	Click/Selection	-	-	-
RadRichTextBox	Scroll	Zoom	Click (move caret to position)	-	Show context menu	Selection markers to extend the selection
RadScheduleView	Horizontally - Previous/Next; Vertically - Scroll	Timeline - Zoom, others - switching the views	Click/Selection	On item - Drag&Drop; on slot - multiple slots selection	-	-
RadSpreadsheet	Scroll	Zoom	Click	-	-	Selection markers to extend the selection
RadTimeBar	Scroll	Zoom	Click/Selection	Moves Selection	Selection	Double Tap -> Extends selection
RadTimeline	Scroll	Zoom	Click/Selection	Selection	Shows tooltip	-
RadTreeListView	Scroll	-	Click	-	Shows a circle to be dragged	-
RadTreeMap	-	-	Selection	-	Shows tooltip	-
RadTreeView	Scroll with Inertia	-	Click/Selection/Expand	-	Shows touch Indicator	Tap and Hold and Move will Start Drag operation
RadTileList	Scroll	-	Selection	-	-	-
RadTileView	Scroll	-	Selection	-	On header - Drag and Drop	-
RadSyntaxEditor	Scroll	Zoom	Click (move caret to position)	Selection markers to extend the selection	-	-

TouchManager States

As of version Q2 2014, we have introduced a new IsTouchEnabled property, which controls the state of TouchManager on application level. It is enabled by default, but setting it to False will prevent any touch events to be fired.

[C#] Example 1: Disable touch support

{{region cs-touch-support-1}}
public App() { TouchManager.IsTouchEnabled = false; this.InitializeComponent(); } {{endregion}}

[VB.NET] Example 1: Disable touch support

{{region vb-touch-support-1}} Public Sub New() TouchManager.IsTouchEnabled = False Me.InitializeComponent() End Sub {{endregion}}

Disabling the IsTouchEnabled setting will unsubscribe only from the events provided by the TouchManager. The native events will still be triggered.

See Also

• [TouchManager Features]({%slug touchmanager-features%})
• [Touch Modes]({%slug touchmanager-touch-modes%})