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ApplicationGesture Enumeration

Defines values for the set of available application-specific gestures.

Namespace:  Microsoft.Ink
Assembly:  Microsoft.Ink (in Microsoft.Ink.dll)

public enum ApplicationGesture

Member nameDescription
AllGesturesRecognizes all application-specific gestures.
NoGestureRecognizes no application-specific gestures.
ScratchoutThis gesture must be drawn as a single stroke that has at least three back-and-forth motions.
TriangleThe triangle must be drawn in a single stroke, without lifting the pen.
SquareThe square can be drawn in one or two strokes. In one stroke, draw the entire square without lifting the pen. In two strokes, draw three sides of the square and use another stroke to draw the remaining side. Do not use more than two strokes to draw the square.
StarThe star must have exactly five points and be drawn in a single stroke without lifting the pen.
CheckThe upward stroke must be twice as long as the smaller downward stroke.
CurlicueStart the curlicue where you want an action to occur.
DoubleCurlicueStart the double-curlicue where you want an action to occur.
CircleThe circle must be drawn in a single stroke without lifting the pen.
DoubleCircleThe two circles must overlap each other and be drawn in a single stroke without lifting the pen.
SemiCircleLeftThe semicircle must be drawn from left to right. The two ends of the semicircle should be as horizontally even as possible.
SemiCircleRightThe semicircle must be drawn from right to left. The two ends of the semicircle should be as horizontally even as possible.
ChevronUpBoth sides of the chevron must be drawn as equal as possible. The angle must be sharp and end in a point.
ChevronDownBoth sides of the chevron must be drawn as equal as possible. The angle must be sharp and end in a point.
ChevronLeftBoth sides of the chevron must be drawn as equal as possible. The angle must be sharp and end in a point.
ChevronRightBoth sides of the chevron must be drawn as equal as possible. The angle must be sharp and end in a point.
ArrowUpThe arrow can be drawn in single stroke or in two strokes where one stroke is the line and the other is the arrow head. Do not use more than two strokes to draw the arrow.
ArrowDownThe arrow can be drawn in a single stroke or in two strokes where one stroke is the line and the other is the arrow head. Do not use more than two strokes to draw the arrow.
ArrowLeftThe arrow can be drawn in a single stroke or in two strokes where one stroke is the line and the other is the arrow head. Do not use more than two strokes to draw the arrow.
ArrowRightThe arrow can be drawn in a single stroke or in two strokes where one stroke is the line and the other is the arrow head. Do not use more than two strokes to draw the arrow.
UpThis gesture must be drawn as a single fast flick in the upward direction.

This gesture is used by Flicks Gestures.

DownThis gesture must be drawn as a single fast flick downward.

This gesture is used by Flicks Gestures.

LeftThis gesture must be drawn as a single fast flick to the left.

This gesture is used by Flicks Gestures.

RightThis gesture must be drawn as a single fast flick to the right.

This gesture is used by Flicks Gestures.

UpDownThis gesture must be drawn in a single stroke starting with the up stroke. The two strokes must be as close to each other as possible.
DownUpThis gesture must be drawn in a single stroke starting with the down stroke. The two strokes must be as close to each other as possible.
LeftRightThis gesture must be drawn in a single stroke starting with the left stroke. The two strokes must be as close to each other as possible.
RightLeftThis gesture must be drawn in a single stroke starting with the right stroke. The two strokes must be as close to each other as possible.
UpLeftLongThis gesture must be drawn in a single stroke starting with the up stroke. The left stroke must be about twice as long as the up stroke, and the two strokes must be at a right angle.
UpRightLongThis gesture must be drawn in a single stroke starting with the up stroke. The right stroke must be about twice as long as the up stroke, and the two strokes must be at a right angle.
DownLeftLongThis gesture must be drawn in a single stroke starting with the down stroke. The left stroke is about twice as long as the up stroke, and the two strokes must be at a right angle.
DownRightLongSignifies pressing the spacebar. This gesture must be drawn in a single stroke starting with the down stroke. The right stroke must be about twice as long as the up stroke, and the two strokes must be at a right angle.
UpLeftThis gesture must be drawn in a single stroke starting with the up stroke. The two sides must be as equal in length as possible and at a right angle.
UpRightThis gesture must be drawn in a single stroke starting with the up stroke. The two sides must be as equal in length as possible and at a right angle.
DownLeftThis gesture must be drawn in a single stroke starting with the down stroke. The two sides must be as equal in length as possible and at a right angle.
DownRightThis gesture must be drawn in a single stroke starting with the down stroke. The two sides must be as equal in length as possible and at a right angle.
LeftUpThis gesture must be drawn in a single stroke starting with the left stroke. The two sides must be as equal in length as possible and at a right angle.
LeftDownThis gesture must be drawn in a single stroke starting with the left stroke. The two sides are as equal in length as possible and at a right angle.
RightUpThis gesture must be drawn in a single stroke starting with the right stroke. The two sides must be as equal in length as possible and at a right angle.
RightDownThis gesture must be drawn in a single stroke starting with the right stroke. The two sides must be as equal in length as possible and at a right angle.
ExclamationThe line must be drawn first and then the dot drawn quickly and as close to the line as possible.
TapSignifies a mouse click. For the least amount of slippage, tap quickly.
DoubleTapSignifies a mouse double-click. Tap quickly and in as close to the same place for best results.

Application gestures are gestures you can choose to have your application support. Applications that are specifically designed to work with a pen are more likely to use these gestures. For a list containing the shapes of the gestures and their suggested semantic behavior in an application, see Application Gestures and Semantic Behavior.

The Tap and DoubleTap gestures are supported as application gestures and system gestures (system gestures are defined in the SystemGesture enumeration type). This means you can incorporate an application gesture that has a component that may be construed as a Tap or DoubleTap (such as the Exclamation gesture). In this case, enable the Tap application gesture and disable the Tap system gesture in your application. When a user taps, the application gesture is recognized. This allows your application to listen for a single component that can both identify and distinguish a Tap from a Tap within the application gesture.

In addition to the following gestures, Microsoft intends to support many gesture glyphs as part of the Microsoft gesture recognizer. For more information about these unimplemented gesture glyphs, see Unimplemented Glyphs.

For more information about application gestures and system gestures, see Using Gestures.

The default value is NoGesture, which is actually a cutoff line that represents the gesture recognizer's minimum suggested confidence. It does not actually represent a gesture or lack of gesture, just the point at which the gesture recognizer lacks enough confidence in the result accuracy to recommend anything below that point.

For example, assume that a gesture array consists of the following values: Circle, LeftRight, NoGesture, RightLeft, and Triangle. In this case, the gesture recognizer has a great degree of confidence in Circle and less confidence in LeftRight. The recognizer has very low confidence in RightLeft and Triangle because they come after NoGesture in the array order.

The confidence level at which the gesture recognizer returns NoGesture cannot be changed.

If NoGesture is the first element in the array (which means every recognized gesture is below the suggested confidence threshold), then the platform cancels the gesture event by default; otherwise, the platform accepts the gesture by default. To alter the default behavior, capture the InkCollector.Gesture, InkOverlay.Gesture, InkPicture.Gesture, or InkEdit.Gesture event. When a gesture is accepted, the stroke is not added to the Microsoft.Ink.Ink object. When a gesture is canceled, the stroke is added to the Microsoft.Ink.Ink object.

Windows 7, Windows Vista, Windows Server 2008 R2, Windows Server 2008

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.0

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