UITextViewDelegate Class

Reference

Definition

Namespace:: UIKit

Assembly:: Xamarin.iOS.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

A class used to receive notifications from a UITextView control.

[Foundation.Protocol]
[Foundation.Register("UITextViewDelegate", false)]
public class UITextViewDelegate : UIKit.UIScrollViewDelegate, IDisposable, UIKit.IUITextViewDelegate

type UITextViewDelegate = class
    inherit UIScrollViewDelegate
    interface IUITextViewDelegate
    interface INativeObject
    interface IDisposable
    interface IUIScrollViewDelegate

Inheritance: Object

NSObject

UIScrollViewDelegate
UITextViewDelegate

Attributes: ProtocolAttribute RegisterAttribute

Implements: INativeObject IDisposable IUIScrollViewDelegate IUITextViewDelegate

Remarks

A strongly typed implementation of a class that can be used to respond to events raised by the UITextView.

Constructors

UITextViewDelegate()	Default constructor that initializes a new instance of this class with no parameters.
UITextViewDelegate(IntPtr)	A constructor used when creating managed representations of unmanaged objects; Called by the runtime.
UITextViewDelegate(NSObjectFlag)	Constructor to call on derived classes to skip initialization and merely allocate the object.

Properties

Class	(Inherited from NSObject)
ClassHandle	The handle for this class. (Inherited from NSObject)
DebugDescription	A developer-meaningful description of this object. (Inherited from NSObject)
Description	Description of the object, the Objective-C version of ToString. (Inherited from NSObject)
Handle	Handle (pointer) to the unmanaged object representation. (Inherited from NSObject)
IsDirectBinding	(Inherited from NSObject)
IsProxy	(Inherited from NSObject)
RetainCount	Returns the current Objective-C retain count for the object. (Inherited from NSObject)
Self	(Inherited from NSObject)
Superclass	(Inherited from NSObject)
SuperHandle	Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject)
Zone	(Inherited from NSObject)

Methods

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)	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>)	Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject)
AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>)	Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject)
AwakeFromNib()	Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib(). (Inherited from NSObject)
BeginInvokeOnMainThread(Action)	(Inherited from NSObject)
BeginInvokeOnMainThread(Selector, NSObject)	Invokes asynchrously the specified code on the main UI thread. (Inherited from NSObject)
Bind(NSString, NSObject, String, NSDictionary)	(Inherited from NSObject)
Bind(String, NSObject, String, NSDictionary)	Obsolete. (Inherited from NSObject)
BindingInfo(String)	Obsolete. (Inherited from NSObject)
BindingOptionDescriptions(String)	Obsolete. (Inherited from NSObject)
BindingValueClass(String)	Obsolete. (Inherited from NSObject)
Changed(UITextView)	Indicates the text or text attributes in the specified UITextView were changed by the app user.
CommitEditing()	(Inherited from NSObject)
CommitEditing(NSObject, Selector, IntPtr)	(Inherited from NSObject)
ConformsToProtocol(IntPtr)	Invoked to determine if this object implements the specified protocol. (Inherited from NSObject)
Copy()	Performs a copy of the underlying Objective-C object. (Inherited from NSObject)
DangerousAutorelease()	(Inherited from NSObject)
DangerousRelease()	(Inherited from NSObject)
DangerousRetain()	(Inherited from NSObject)
DecelerationEnded(UIScrollView)	Called when deceleration has ended (at the end of a scrolling movement). (Inherited from UIScrollViewDelegate)
DecelerationStarted(UIScrollView)	Called when deceleration has started (at the end of a scrolling movement). (Inherited from UIScrollViewDelegate)
DidChange(NSKeyValueChange, NSIndexSet, NSString)	Indicates a change occurred to the indexes for a to-many relationship. (Inherited from NSObject)
DidChange(NSString, NSKeyValueSetMutationKind, NSSet)	(Inherited from NSObject)
DidChangeAdjustedContentInset(UIScrollView)	Method that is called when the inset values change. (Inherited from UIScrollViewDelegate)
DidChangeValue(String)	Indicates that a change occurred on the specified key. (Inherited from NSObject)
DidZoom(UIScrollView)	Called when the scroll view's zoom factor has changed. (Inherited from UIScrollViewDelegate)
Dispose()	Releases the resources used by the NSObject object. (Inherited from NSObject)
Dispose(Boolean)	Releases the resources used by the NSObject object. (Inherited from NSObject)
DoesNotRecognizeSelector(Selector)	Indicates that this object does not recognize the specified selector. (Inherited from NSObject)
DraggingEnded(UIScrollView, Boolean)	Called when dragging has ended. (Inherited from UIScrollViewDelegate)
DraggingStarted(UIScrollView)	Called when dragging is about to begin. (Inherited from UIScrollViewDelegate)
EditingEnded(UITextView)	Indicates that editing has ended in the specified UITextView.
EditingStarted(UITextView)	Indicates editing has begun in the specified UITextView.
Equals(NSObject)	(Inherited from NSObject)
Equals(Object)	(Inherited from NSObject)
ExposedBindings()	(Inherited from NSObject)
GetBindingInfo(NSString)	(Inherited from NSObject)
GetBindingOptionDescriptions(NSString)	(Inherited from NSObject)
GetBindingValueClass(NSString)	(Inherited from NSObject)
GetDictionaryOfValuesFromKeys(NSString[])	Retrieves the values of the specified keys. (Inherited from NSObject)
GetHashCode()	Generates a hash code for the current instance. (Inherited from NSObject)
GetMethodForSelector(Selector)	(Inherited from NSObject)
GetNativeField(String)	Obsolete. (Inherited from NSObject)
GetNativeHash()	(Inherited from NSObject)
Init()	(Inherited from NSObject)
InitializeHandle(IntPtr, String)	(Inherited from NSObject)
InitializeHandle(IntPtr)	(Inherited from NSObject)
Invoke(Action, Double)	(Inherited from NSObject)
Invoke(Action, TimeSpan)	(Inherited from NSObject)
InvokeOnMainThread(Action)	(Inherited from NSObject)
InvokeOnMainThread(Selector, NSObject)	Invokes synchrously the specified code on the main UI thread. (Inherited from NSObject)
IsEqual(NSObject)	(Inherited from NSObject)
IsKindOfClass(Class)	(Inherited from NSObject)
IsMemberOfClass(Class)	(Inherited from NSObject)
MarkDirty()	Promotes a regular peer object (IsDirectBinding is true) into a toggleref object. (Inherited from NSObject)
MutableCopy()	Creates a mutable copy of the specified NSObject. (Inherited from NSObject)
ObjectDidEndEditing(NSObject)	(Inherited from NSObject)
ObserveValue(NSString, NSObject, NSDictionary, IntPtr)	Indicates that the value at the specified keyPath relative to this object has changed. (Inherited from NSObject)
PerformSelector(Selector, NSObject, Double, NSString[])	(Inherited from NSObject)
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, NSObject)	(Inherited from NSObject)
PerformSelector(Selector, NSObject)	(Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[])	(Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean)	(Inherited from NSObject)
PerformSelector(Selector)	(Inherited from NSObject)
PrepareForInterfaceBuilder()	(Inherited from NSObject)
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, NSString)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject)
RemoveObserver(NSObject, String, IntPtr)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject)
RemoveObserver(NSObject, String)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject)
RespondsToSelector(Selector)	Whether this object recognizes the specified selector. (Inherited from NSObject)
ScrollAnimationEnded(UIScrollView)	Called when a scrolling animation in the scroll view is finished. (Inherited from UIScrollViewDelegate)
Scrolled(UIScrollView)	Called when the user scrolls the content. (Inherited from UIScrollViewDelegate)
ScrolledToTop(UIScrollView)	Called when the scroll view is scrolled to the top of the content. (Inherited from UIScrollViewDelegate)
SelectionChanged(UITextView)	Indicates the text selection has changed in the specified UITextView.
SetNativeField(String, NSObject)	Obsolete. (Inherited from NSObject)
SetNilValueForKey(NSString)	Sets the value of the specified key to null. (Inherited from NSObject)
SetValueForKey(NSObject, NSString)	Sets the value of the property specified by the key to the specified value. (Inherited from NSObject)
SetValueForKeyPath(IntPtr, NSString)	A constructor used when creating managed representations of unmanaged objects; Called by the runtime. (Inherited from NSObject)
SetValueForKeyPath(NSObject, NSString)	Sets the value of a property that can be reached using a keypath. (Inherited from NSObject)
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)	Sets the values of this NSObject to those in the specified dictionary. (Inherited from NSObject)
ShouldBeginEditing(UITextView)	Whether editing should begin in the specified UITextView.
ShouldChangeText(UITextView, NSRange, String)	Whether the specified text should be replaced in the UITextView.
ShouldEndEditing(UITextView)	Whether editing should end in the specified UITextView.
ShouldInteractWithTextAttachment(UITextView, NSTextAttachment, NSRange, UITextItemInteraction)	Whether the specified UITextView should allow user interaction with the specified text attachment in a given range of text.
ShouldInteractWithTextAttachment(UITextView, NSTextAttachment, NSRange)	Developers should not use this deprecated method. Developers should use the 'ShouldInteractWithTextAttachment' overload that takes 'UITextItemInteraction' instead.
ShouldInteractWithUrl(UITextView, NSUrl, NSRange, UITextItemInteraction)	Whether the specified UITextView should allow user interaction with the specified URL in the given range of text.
ShouldInteractWithUrl(UITextView, NSUrl, NSRange)	Whether the specified UITextView should allow user interaction with the specified URL in the given range of text.
ShouldScrollToTop(UIScrollView)	Called by the scroll view to determine whether it should scroll to the top of the content. (Inherited from UIScrollViewDelegate)
ToString()	Returns a string representation of the value of the current instance. (Inherited from NSObject)
Unbind(NSString)	(Inherited from NSObject)
Unbind(String)	Obsolete. (Inherited from NSObject)
ValueForKey(NSString)	Returns the value of the property associated with the specified key. (Inherited from NSObject)
ValueForKeyPath(NSString)	Returns the value of a property that can be reached using a keypath. (Inherited from NSObject)
ValueForUndefinedKey(NSString)	Indicates an attempt to read a value of an undefined key. If not overridden, raises an NSUndefinedKeyException. (Inherited from NSObject)
ViewForZoomingInScrollView(UIScrollView)	Returns the view to scale when zooming is about to occur in the scroll view. (Inherited from UIScrollViewDelegate)
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)	(Inherited from NSObject)
WillChangeValue(String)	Indicates that the value of the specified key is about to change. (Inherited from NSObject)
WillEndDragging(UIScrollView, CGPoint, CGPoint)	Called when the user finishes scrolling the content. (Inherited from UIScrollViewDelegate)
ZoomingEnded(UIScrollView, UIView, nfloat)	Called when content zooming is complete. (Inherited from UIScrollViewDelegate)
ZoomingStarted(UIScrollView, UIView)	Called when a zooming operation is about to start. (Inherited from UIScrollViewDelegate)

Extension Methods

GetDebugDescription(INSObjectProtocol)
GetAccessibilityCustomRotors(NSObject)	Gets the array of UIAccessibilityCustomRotor objects appropriate for `this` object.
SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[])	Sets the array of UIAccessibilityCustomRotor objects appropriate for `this` object.
DecelerationEnded(IUIScrollViewDelegate, UIScrollView)	Indicates that deceleration relating to a scroll event has ended.
DecelerationStarted(IUIScrollViewDelegate, UIScrollView)	Indicates that deceleration of a scrolling event has begun.
DidChangeAdjustedContentInset(IUIScrollViewDelegate, UIScrollView)	Method that is called when the inset values change.
DidZoom(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView has zoomed.
DraggingEnded(IUIScrollViewDelegate, UIScrollView, Boolean)	Indicates that dragging has completed.
DraggingStarted(IUIScrollViewDelegate, UIScrollView)	Indicates that dragging has begun.
ScrollAnimationEnded(IUIScrollViewDelegate, UIScrollView)	Indicates that all animations relating to scrolling have completed.
Scrolled(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView has scrolled.
ScrolledToTop(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView's scrolling has ended at the top.
ShouldScrollToTop(IUIScrollViewDelegate, UIScrollView)	Whether a scroll to the beginning of the scrollView should be permitted.
ViewForZoomingInScrollView(IUIScrollViewDelegate, UIScrollView)	The UIView to scale when zooming is requested.
WillEndDragging(IUIScrollViewDelegate, UIScrollView, CGPoint, CGPoint)	Indicates that dragging is about to end.
ZoomingEnded(IUIScrollViewDelegate, UIScrollView, UIView, nfloat)	Indicates that zooming has completed.
ZoomingStarted(IUIScrollViewDelegate, UIScrollView, UIView)	Indicates that zooming has begun.
Changed(IUITextViewDelegate, UITextView)	Indicates the text or text attributes in the specified UITextView were changed by the app user.
EditingEnded(IUITextViewDelegate, UITextView)	Indicates that editing has ended in the specified UITextView.
EditingStarted(IUITextViewDelegate, UITextView)	Indicates editing has begun in the specified UITextView.
SelectionChanged(IUITextViewDelegate, UITextView)	Indicates the text selection has changed in the specified UITextView.
ShouldBeginEditing(IUITextViewDelegate, UITextView)	Whether editing should begin in the specified UITextView.
ShouldChangeText(IUITextViewDelegate, UITextView, NSRange, String)	Whether the specified text should be replaced in the UITextView.
ShouldEndEditing(IUITextViewDelegate, UITextView)	Whether editing should end in the specified UITextView.
ShouldInteractWithTextAttachment(IUITextViewDelegate, UITextView, NSTextAttachment, NSRange, UITextItemInteraction)	Whether the specified UITextView should allow user interaction with the specified URL in the given range of text.
ShouldInteractWithTextAttachment(IUITextViewDelegate, UITextView, NSTextAttachment, NSRange)	Developers should not use this deprecated method. Developers should use the 'ShouldInteractWithTextAttachment' overload that takes 'UITextItemInteraction' instead.
ShouldInteractWithUrl(IUITextViewDelegate, UITextView, NSUrl, NSRange, UITextItemInteraction)	Whether the specified UITextView should allow user interaction with the specified URL in the given range of text.
ShouldInteractWithUrl(IUITextViewDelegate, UITextView, NSUrl, NSRange)	Whether the specified UITextView should allow user interaction with the specified URL in the given range of text.

Applies to

Share via