NSData Class

Definition

Byte buffer manipulation.

[Foundation.Register("NSData", true)]
public class NSData : Foundation.NSObject, CloudKit.ICKRecordValue, Foundation.INSMutableCopying, Foundation.INSSecureCoding, IDisposable, System.Collections.Generic.IEnumerable<byte>
type NSData = class
    inherit NSObject
    interface INSCoding
    interface INativeObject
    interface IDisposable
    interface INSCopying
    interface INSMutableCopying
    interface INSSecureCoding
    interface ICKRecordValue
    interface IEnumerable
    interface seq<byte>
Inheritance
NSData
Derived
Attributes
Implements

Remarks

This wraps a byte array, this is the way that CocoaTouch represents strongly-typed byte-arrays and is consumed by various CocoaTouch APIs.

Constructors

NSData()

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

NSData(IntPtr)

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

NSData(IntPtr, nuint, Action<IntPtr,nuint>)
NSData(NSCoder)

A constructor that initializes the object from the data stored in the unarchiver object.

NSData(NSData, NSDataBase64DecodingOptions)
NSData(NSObjectFlag)

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

NSData(String, NSDataBase64DecodingOptions)

Properties

Bytes

Returns a pointer to the data held by this NSData.

Class (Inherited from NSObject)
ClassHandle

The handle for this class.

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)
Item[nint]

Retrieves the byte at the specified position in the NSData object.

Length

The size of the contents wrapped by this NSData.

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)
AsStream()

Wraps the NSData into System.IO.Stream

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) (Inherited from NSObject)
BindingInfo(String) (Inherited from NSObject)
BindingOptionDescriptions(String) (Inherited from NSObject)
BindingValueClass(String) (Inherited from NSObject)
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)
Copy(NSZone)

Performs a copy of the underlying Objective-C object.

DangerousAutorelease() (Inherited from NSObject)
DangerousRelease() (Inherited from NSObject)
DangerousRetain() (Inherited from NSObject)
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)
DidChangeValue(String)

Indicates that a change occurred on the specified key.

(Inherited from NSObject)
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)
EncodeTo(NSCoder)

Encodes the state of the object on the provided encoder

EnumerateByteRange(NSDataByteRangeEnumerator)
Equals(NSObject) (Inherited from NSObject)
Equals(Object) (Inherited from NSObject)
ExposedBindings() (Inherited from NSObject)
Find(NSData, NSDataSearchOptions, NSRange)

Looks for the dataToFind in this NSData, based on the specified searchOptions in the specified range.

FromArray(Byte[])

Creates an NSData that wraps a managed C# byte array.

FromBytes(IntPtr, nuint)

Creates an NSData from an in-memory block by specifying its address and length.

FromBytesNoCopy(IntPtr, nuint)
FromBytesNoCopy(IntPtr, nuint, Boolean)
FromData(NSData)
FromFile(String)

Creates an NSData by loading the contents of the specified file into memory.

FromFile(String, NSDataReadingOptions, NSError)

Creates an NSData by loading the contents of the specified file into memory.

FromStream(Stream)

Creates an NSData by loading the contents of the provided stream.

FromString(String)

Creates an NSData for a C# string, the string is encoded in UTF8.

FromString(String, NSStringEncoding)

Creates an NSData for a C# string, the string is encoded using the specified encoding.

FromUrl(NSUrl)

Cretes an NSData with the contents in the specified url.

FromUrl(NSUrl, NSDataReadingOptions, NSError)

Cretes an NSData with the contents in the specified url.

GetBase64EncodedData(NSDataBase64EncodingOptions)
GetBase64EncodedString(NSDataBase64EncodingOptions)
GetBindingInfo(NSString) (Inherited from NSObject)
GetBindingOptionDescriptions(NSString) (Inherited from NSObject)
GetBindingValueClass(NSString) (Inherited from NSObject)
GetBytes(IntPtr, NSRange)
GetBytes(IntPtr, nuint)
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) (Inherited from NSObject)
GetNativeHash() (Inherited from NSObject)
Init() (Inherited from NSObject)
InitializeHandle(IntPtr) (Inherited from NSObject)
InitializeHandle(IntPtr, String) (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)
MutableCopy(NSZone)

Performs a copy of the underlying Objective-C object.

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) (Inherited from NSObject)
PerformSelector(Selector, NSObject) (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, Double, NSString[]) (Inherited from NSObject)
PerformSelector(Selector, NSObject, NSObject) (Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean) (Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) (Inherited from NSObject)
PrepareForInterfaceBuilder() (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, 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)

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)
RespondsToSelector(Selector)

Whether this object recognizes the specified selector.

(Inherited from NSObject)
Save(NSUrl, Boolean)
Save(NSUrl, Boolean, NSError)
Save(NSUrl, NSDataWritingOptions, NSError)
Save(String, Boolean)
Save(String, Boolean, NSError)
Save(String, NSDataWritingOptions, NSError)
SetNativeField(String, NSObject) (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)
Subdata(NSRange)
ToArray()
ToString()

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

ToString(NSStringEncoding)

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

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

Operators

Implicit(String to NSData)

Implicit conversion from string to an NSData encoded as UTF8.

Explicit Interface Implementations

IEnumerable.GetEnumerator()

Enumerator for the NSData contents.

IEnumerable<Byte>.GetEnumerator()

Enumerator for the NSData contents.

Extension Methods

ObjectDidBeginEditing(NSObject, INSEditor)
ObjectDidEndEditing(NSObject, INSEditor)
GetValidModes(NSObject, NSFontPanel)
ValidateToolbarItem(NSObject, NSToolbarItem)
GetDebugDescription(INSObjectProtocol)
AcceptsPreviewPanelControl(NSObject, QLPreviewPanel)
BeginPreviewPanelControl(NSObject, QLPreviewPanel)
EndPreviewPanelControl(NSObject, QLPreviewPanel)
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.

Applies to

See also