UILongPressGestureRecognizer UILongPressGestureRecognizer Class

Definition

Gesture recognizer for long presses.

[Foundation.Register("UILongPressGestureRecognizer", true)]
public class UILongPressGestureRecognizer : UIKit.UIGestureRecognizer
type UILongPressGestureRecognizer = class
    inherit UIGestureRecognizer
Inheritance
UILongPressGestureRecognizerUILongPressGestureRecognizer
Attributes

Remarks

The long press gesture involves one or more (see NumberOfTouchesRequired) fingers to to press for a certain amount of time (see MinimumPressDuration). The fingers may not move more than AllowableMovement.

Constructors

UILongPressGestureRecognizer() UILongPressGestureRecognizer()

Default constructor that initializes a new instance of this class with no parameters.

UILongPressGestureRecognizer(Action) UILongPressGestureRecognizer(Action)
UILongPressGestureRecognizer(Action<UILongPressGestureRecognizer>) UILongPressGestureRecognizer(Action<UILongPressGestureRecognizer>)

Constructs a gesture recognizer and provides a method to invoke when the gesture is recognized.

UILongPressGestureRecognizer(IntPtr) UILongPressGestureRecognizer(IntPtr)

A constructor used when creating managed representations of unmanaged objects; Called by the runtime.

UILongPressGestureRecognizer(NSObject, Selector) UILongPressGestureRecognizer(NSObject, Selector)
UILongPressGestureRecognizer(NSObjectFlag) UILongPressGestureRecognizer(NSObjectFlag)

Constructor to call on derived classes to skip initialization and merely allocate the object.

Properties

AllowableMovement AllowableMovement

The maximum movement, in points, of the fingers before the gesture fails.

AllowedPressTypes AllowedPressTypes

An array of UIPressType that the gesture recognizer responds to.

(Inherited from UIGestureRecognizer)
AllowedTouchTypes AllowedTouchTypes

An array of UITouchType that the gesture recognizer responds to.

(Inherited from UIGestureRecognizer)
CancelsTouchesInView CancelsTouchesInView

Whether touches recognized as part of a gesture should be delivered to the underlying UIView.

(Inherited from UIGestureRecognizer)
Class Class Inherited from NSObject
ClassHandle ClassHandle

The handle for this class.

DebugDescription DebugDescription

A developer-meaningful description of this object.

(Inherited from NSObject)
DelaysTouchesBegan DelaysTouchesBegan

Whether this UIGestureRecognizer should delay sending touches to the underlying UIVew during the gesture's begin phase.

(Inherited from UIGestureRecognizer)
DelaysTouchesEnded DelaysTouchesEnded

Whether this UIGestureRecgonizer should delay sending touches to the underlying UIView during the gesture's end phase.

(Inherited from UIGestureRecognizer)
Delegate Delegate

An instance of the UIKit.IUIGestureRecognizerDelegate model class which acts as the class delegate.

(Inherited from UIGestureRecognizer)
Description Description

Description of the object, the Objective-C version of ToString.

(Inherited from NSObject)
Enabled Enabled

Whether the UIGestureRecognizer is enabled.

(Inherited from UIGestureRecognizer)
Handle Handle

Handle (pointer) to the unmanaged object representation.

(Inherited from NSObject)
IsDirectBinding IsDirectBinding Inherited from NSObject
IsProxy IsProxy Inherited from NSObject
MinimumPressDuration MinimumPressDuration

The minimum time, in seconds, fingers must press for the gesture to be recognized. Default is 0.5.

Name Name

Gets or set the name of the recognizer.

(Inherited from UIGestureRecognizer)
NumberOfTapsRequired NumberOfTapsRequired

The number of taps in the view required for the gesture to be recognized. Default is 0.

NumberOfTouches NumberOfTouches

The number of touches involved in the gesture.

(Inherited from UIGestureRecognizer)
NumberOfTouchesRequired NumberOfTouchesRequired

The number of fingers that must touch the view for the gesture to be recognized. Default is 1.

RequiresExclusiveTouchType RequiresExclusiveTouchType

Gets or sets whether the UIGestureRecognizer is only considering a single type of touch.

(Inherited from UIGestureRecognizer)
RetainCount RetainCount

Returns the current Objective-C retain count for the object.

(Inherited from NSObject)
Self Self Inherited from NSObject
ShouldBegin ShouldBegin

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
ShouldBeRequiredToFailBy ShouldBeRequiredToFailBy

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
ShouldReceivePress ShouldReceivePress

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
ShouldReceiveTouch ShouldReceiveTouch

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
ShouldRecognizeSimultaneously ShouldRecognizeSimultaneously

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
ShouldRequireFailureOf ShouldRequireFailureOf

Delegate invoked by the object to get a value.

(Inherited from UIGestureRecognizer)
State State

The current state of this UIGestureRecognizer.

(Inherited from UIGestureRecognizer)
Superclass Superclass Inherited from NSObject
SuperHandle SuperHandle

Handle used to represent the methods in the base class for this NSObject.

(Inherited from NSObject)
View View

The UIView to which this UIGestureRecognizer is attached. Read-only.

(Inherited from UIGestureRecognizer)
WeakDelegate WeakDelegate

An object that can respond to the delegate protocol for this type

(Inherited from UIGestureRecognizer)
Zone Zone Inherited from NSObject

Methods

AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr) AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr)

Registers an object for being observed externally (using NSString keyPath).   Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method.

(Inherited from NSObject)
AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr) AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr)

Registers an object for being observed externally (using string keyPath).   Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method.

(Inherited from NSObject)
AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>) AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>)

Registers an object for being observed externally using an arbitrary method.

(Inherited from NSObject)
AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>) AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>)

Registers an object for being observed externally using an arbitrary method.

(Inherited from NSObject)
AddTarget(Action) AddTarget(Action)

Registers a new callback for when the gesture has been recognized.

(Inherited from UIGestureRecognizer)
AddTarget(Action<NSObject>) AddTarget(Action<NSObject>)

Registers a new callback for when the gesture has been recognized.

(Inherited from UIGestureRecognizer)
AddTarget(NSObject, Selector) AddTarget(NSObject, Selector)

Low-level version of AddTarget.

(Inherited from UIGestureRecognizer)
AwakeFromNib() AwakeFromNib()

Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib().

(Inherited from NSObject)
BeginInvokeOnMainThread(Action) BeginInvokeOnMainThread(Action) Inherited from NSObject
BeginInvokeOnMainThread(Selector, NSObject) BeginInvokeOnMainThread(Selector, NSObject)

Invokes asynchrously the specified code on the main UI thread.

(Inherited from NSObject)
Bind(NSString, NSObject, String, NSDictionary) Bind(NSString, NSObject, String, NSDictionary) Inherited from NSObject
Bind(String, NSObject, String, NSDictionary) Bind(String, NSObject, String, NSDictionary) Inherited from NSObject
BindingInfo(String) BindingInfo(String) Inherited from NSObject
BindingOptionDescriptions(String) BindingOptionDescriptions(String) Inherited from NSObject
BindingValueClass(String) BindingValueClass(String) Inherited from NSObject
CanBePreventedByGestureRecognizer(UIGestureRecognizer) CanBePreventedByGestureRecognizer(UIGestureRecognizer)

When overridden, allows the specified UIGestureRecognizer to prevent this UIGestureRecognizer from recognizing a gesture.

(Inherited from UIGestureRecognizer)
CanPreventGestureRecognizer(UIGestureRecognizer) CanPreventGestureRecognizer(UIGestureRecognizer)

When overridden, indicates that this UIGestureRecognizer can prevent the specified UIGestureRecognizer from recognizing a gesture.

(Inherited from UIGestureRecognizer)
CommitEditing() CommitEditing() Inherited from NSObject
CommitEditing(NSObject, Selector, IntPtr) CommitEditing(NSObject, Selector, IntPtr) Inherited from NSObject
ConformsToProtocol(IntPtr) ConformsToProtocol(IntPtr)

Invoked to determine if this object implements the specified protocol.

(Inherited from NSObject)
Copy() Copy()

Performs a copy of the underlying Objective-C object.

(Inherited from NSObject)
DangerousAutorelease() DangerousAutorelease() Inherited from NSObject
DangerousRelease() DangerousRelease() Inherited from NSObject
DangerousRetain() DangerousRetain() Inherited from NSObject
DidChange(NSKeyValueChange, NSIndexSet, NSString) DidChange(NSKeyValueChange, NSIndexSet, NSString)

Indicates a change occurred to the indexes for a to-many relationship.

(Inherited from NSObject)
DidChange(NSString, NSKeyValueSetMutationKind, NSSet) DidChange(NSString, NSKeyValueSetMutationKind, NSSet) Inherited from NSObject
DidChangeValue(String) DidChangeValue(String)

Indicates that a change occurred on the specified key.

(Inherited from NSObject)
Dispose() Dispose()

Releases the resources used by the NSObject object.

(Inherited from NSObject)
Dispose(Boolean) Dispose(Boolean)

Releases the resources used by the UIGestureRecognizer object.

(Inherited from UIGestureRecognizer)
DoesNotRecognizeSelector(Selector) DoesNotRecognizeSelector(Selector)

Indicates that this object does not recognize the specified selector.

(Inherited from NSObject)
Equals(NSObject) Equals(NSObject) Inherited from NSObject
Equals(Object) Equals(Object) Inherited from NSObject
ExposedBindings() ExposedBindings() Inherited from NSObject
GetBindingInfo(NSString) GetBindingInfo(NSString) Inherited from NSObject
GetBindingOptionDescriptions(NSString) GetBindingOptionDescriptions(NSString) Inherited from NSObject
GetBindingValueClass(NSString) GetBindingValueClass(NSString) Inherited from NSObject
GetDictionaryOfValuesFromKeys(NSString[]) GetDictionaryOfValuesFromKeys(NSString[])

Retrieves the values of the specified keys.

(Inherited from NSObject)
GetHashCode() GetHashCode()

Generates a hash code for the current instance.

(Inherited from NSObject)
GetMethodForSelector(Selector) GetMethodForSelector(Selector) Inherited from NSObject
GetNativeField(String) GetNativeField(String) Inherited from NSObject
GetNativeHash() GetNativeHash() Inherited from NSObject
IgnorePress(UIPress, UIPressesEvent) IgnorePress(UIPress, UIPressesEvent)

Developers may override this method to tell the gesture recognizer to ignore specific presses.

(Inherited from UIGestureRecognizer)
IgnoreTouch(UITouch, UIEvent) IgnoreTouch(UITouch, UIEvent)

Ignores a specific touch of the given event.

(Inherited from UIGestureRecognizer)
Init() Init() Inherited from NSObject
InitializeHandle(IntPtr) InitializeHandle(IntPtr) Inherited from NSObject
InitializeHandle(IntPtr, String) InitializeHandle(IntPtr, String) Inherited from NSObject
Invoke(Action, Double) Invoke(Action, Double) Inherited from NSObject
Invoke(Action, TimeSpan) Invoke(Action, TimeSpan) Inherited from NSObject
InvokeOnMainThread(Action) InvokeOnMainThread(Action) Inherited from NSObject
InvokeOnMainThread(Selector, NSObject) InvokeOnMainThread(Selector, NSObject)

Invokes synchrously the specified code on the main UI thread.

(Inherited from NSObject)
IsEqual(NSObject) IsEqual(NSObject) Inherited from NSObject
IsKindOfClass(Class) IsKindOfClass(Class) Inherited from NSObject
IsMemberOfClass(Class) IsMemberOfClass(Class) Inherited from NSObject
LocationInView(UIView) LocationInView(UIView)

The PointF in the given UIView of the gesture represented by this UIGestureRecognizer.

(Inherited from UIGestureRecognizer)
LocationOfTouch(nint, UIView) LocationOfTouch(nint, UIView)

Gets the location, in the coordinate system of , of one of the touches in the gesture.

(Inherited from UIGestureRecognizer)
MarkDirty() MarkDirty()

Promotes a regular peer object (IsDirectBinding is true) into a toggleref object.

(Inherited from NSObject)
MutableCopy() MutableCopy()

Creates a mutable copy of the specified NSObject.

(Inherited from NSObject)
ObjectDidEndEditing(NSObject) ObjectDidEndEditing(NSObject) Inherited from NSObject
ObserveValue(NSString, NSObject, NSDictionary, IntPtr) ObserveValue(NSString, NSObject, NSDictionary, IntPtr)

Indicates that the value at the specified keyPath relative to this object has changed.

(Inherited from NSObject)
PerformSelector(Selector) PerformSelector(Selector) Inherited from NSObject
PerformSelector(Selector, NSObject) PerformSelector(Selector, NSObject) Inherited from NSObject
PerformSelector(Selector, NSObject, Double) PerformSelector(Selector, NSObject, Double)

Invokes the selector on the current instance and if the obj is not null, it passes this as its single parameter.

(Inherited from NSObject)
PerformSelector(Selector, NSObject, Double, NSString[]) PerformSelector(Selector, NSObject, Double, NSString[]) Inherited from NSObject
PerformSelector(Selector, NSObject, NSObject) PerformSelector(Selector, NSObject, NSObject) Inherited from NSObject
PerformSelector(Selector, NSThread, NSObject, Boolean) PerformSelector(Selector, NSThread, NSObject, Boolean) Inherited from NSObject
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) Inherited from NSObject
PrepareForInterfaceBuilder() PrepareForInterfaceBuilder() Inherited from NSObject
PressesBegan(NSSet<UIPress>, UIPressesEvent) PressesBegan(NSSet<UIPress>, UIPressesEvent)

Indicates that a physical button has been pressed on a remote or game controller.

(Inherited from UIGestureRecognizer)
PressesCancelled(NSSet<UIPress>, UIPressesEvent) PressesCancelled(NSSet<UIPress>, UIPressesEvent)

Indicates a physical button-press event has been cancelled due to a system event.

(Inherited from UIGestureRecognizer)
PressesChanged(NSSet<UIPress>, UIPressesEvent) PressesChanged(NSSet<UIPress>, UIPressesEvent)

Indicates that the Force value of the evt has changed.

(Inherited from UIGestureRecognizer)
PressesEnded(NSSet<UIPress>, UIPressesEvent) PressesEnded(NSSet<UIPress>, UIPressesEvent)

Indicates the ending of a press of a physical button on a remote or game controller.

(Inherited from UIGestureRecognizer)
RemoveObserver(NSObject, NSString) RemoveObserver(NSObject, NSString)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath.

(Inherited from NSObject)
RemoveObserver(NSObject, NSString, IntPtr) RemoveObserver(NSObject, NSString, IntPtr)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context.

(Inherited from NSObject)
RemoveObserver(NSObject, String) RemoveObserver(NSObject, String)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath.

(Inherited from NSObject)
RemoveObserver(NSObject, String, IntPtr) RemoveObserver(NSObject, String, IntPtr)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context.

(Inherited from NSObject)
RemoveTarget(NSObject, Selector) RemoveTarget(NSObject, Selector)

Low-level counterpart to the low-level AddTarget method.

(Inherited from UIGestureRecognizer)
RemoveTarget(UIGestureRecognizer+Token) RemoveTarget(UIGestureRecognizer+Token)

Removes the callback method for the specified gesture being recognized, based on the token that was returned by AddTarget.

(Inherited from UIGestureRecognizer)
RequireGestureRecognizerToFail(UIGestureRecognizer) RequireGestureRecognizerToFail(UIGestureRecognizer)

Causes this UIGestureRecognizer to only work if the specified UIGestureRecognizer fails (e.g., a single-tap gesture might require that a double-tap gesture fail).

(Inherited from UIGestureRecognizer)
Reset() Reset()

When overridden, allows the application developer to reset internal state when a gesture is recognized.

(Inherited from UIGestureRecognizer)
RespondsToSelector(Selector) RespondsToSelector(Selector)

Whether this object recognizes the specified selector.

(Inherited from NSObject)
SetNativeField(String, NSObject) SetNativeField(String, NSObject) Inherited from NSObject
SetNilValueForKey(NSString) SetNilValueForKey(NSString)

Sets the value of the specified key to null.

(Inherited from NSObject)
SetValueForKey(NSObject, NSString) SetValueForKey(NSObject, NSString)

Sets the value of the property specified by the key to the specified value.

(Inherited from NSObject)
SetValueForKeyPath(IntPtr, NSString) SetValueForKeyPath(IntPtr, NSString)

A constructor used when creating managed representations of unmanaged objects; Called by the runtime.

(Inherited from NSObject)
SetValueForKeyPath(NSObject, NSString) SetValueForKeyPath(NSObject, NSString)

Sets the value of a property that can be reached using a keypath.

(Inherited from NSObject)
SetValueForUndefinedKey(NSObject, NSString) SetValueForUndefinedKey(NSObject, NSString)

Indicates an attempt to write a value to an undefined key. If not overridden, raises an NSUndefinedKeyException.

(Inherited from NSObject)
SetValuesForKeysWithDictionary(NSDictionary) SetValuesForKeysWithDictionary(NSDictionary)

Sets the values of this NSObject to those in the specified dictionary.

(Inherited from NSObject)
ShouldBeRequiredToFailByGestureRecognizer(UIGestureRecognizer) ShouldBeRequiredToFailByGestureRecognizer(UIGestureRecognizer)

Specifically overridden to indicate that a receiver requires the specified gesture recognizer to fail.

(Inherited from UIGestureRecognizer)
ShouldRequireFailureOfGestureRecognizer(UIGestureRecognizer) ShouldRequireFailureOfGestureRecognizer(UIGestureRecognizer)

Returns a value that tells whether the receiver requires otherGestureRecognizer to fail.

(Inherited from UIGestureRecognizer)
ToString() ToString()

Returns a string representation of the value of the current instance.

(Inherited from NSObject)
TouchesBegan(NSSet, UIEvent) TouchesBegan(NSSet, UIEvent)

Indicates that one or more fingers have touched down in the associated UIView.

(Inherited from UIGestureRecognizer)
TouchesCancelled(NSSet, UIEvent) TouchesCancelled(NSSet, UIEvent)

Indicates that a system event (e.g., a low-memory warning) has cancelled the touch event.

(Inherited from UIGestureRecognizer)
TouchesEnded(NSSet, UIEvent) TouchesEnded(NSSet, UIEvent)

Indicates that one or more fingers have lifted in the associated UIView.

(Inherited from UIGestureRecognizer)
TouchesEstimatedPropertiesUpdated(NSSet) TouchesEstimatedPropertiesUpdated(NSSet)

Called when the estimated properties of touches have been updated.

(Inherited from UIGestureRecognizer)
TouchesMoved(NSSet, UIEvent) TouchesMoved(NSSet, UIEvent)

Indicates that one or more fingers have moved in the associated UIView.

(Inherited from UIGestureRecognizer)
Unbind(NSString) Unbind(NSString) Inherited from NSObject
Unbind(String) Unbind(String) Inherited from NSObject
ValueForKey(NSString) ValueForKey(NSString)

Returns the value of the property associated with the specified key.

(Inherited from NSObject)
ValueForKeyPath(NSString) ValueForKeyPath(NSString)

Returns the value of a property that can be reached using a keypath.

(Inherited from NSObject)
ValueForUndefinedKey(NSString) ValueForUndefinedKey(NSString)

Indicates an attempt to read a value of an undefined key. If not overridden, raises an NSUndefinedKeyException.

(Inherited from NSObject)
WillChange(NSKeyValueChange, NSIndexSet, NSString) WillChange(NSKeyValueChange, NSIndexSet, NSString)

Indicates that the values of the specified indices in the specified key are about to change.

(Inherited from NSObject)
WillChange(NSString, NSKeyValueSetMutationKind, NSSet) WillChange(NSString, NSKeyValueSetMutationKind, NSSet) Inherited from NSObject
WillChangeValue(String) WillChangeValue(String)

Indicates that the value of the specified key is about to change.

(Inherited from NSObject)

Extension Methods

GetDebugDescription(INSObjectProtocol) GetDebugDescription(INSObjectProtocol)
GetAccessibilityCustomRotors(NSObject) GetAccessibilityCustomRotors(NSObject)

Gets the array of UIAccessibilityCustomRotor objects appropriate for this object.

SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[]) SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[])

Sets the array of UIAccessibilityCustomRotor objects appropriate for this object.

Applies to

See also