UIBezierPath 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 UIControl that displays a reusable bezier path. Supports hit detection as well as Stroke and Fill operations on a graphics context. This is a high-level front end to CoreGraphics's CGContext API.

[Foundation.Register("UIBezierPath", true)]
public class UIBezierPath : Foundation.NSObject, Foundation.INSCopying, Foundation.INSSecureCoding, IDisposable

type UIBezierPath = class
    inherit NSObject
    interface INSCoding
    interface INativeObject
    interface IDisposable
    interface INSCopying
    interface INSSecureCoding

Inheritance: Object

NSObject
UIBezierPath

Attributes: RegisterAttribute

Implements: INSCoding INSCopying INSSecureCoding INativeObject IDisposable

Remarks

The members of this class can be used from a background thread.

Constructors

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

Properties

Bounds	The bounding RectangleF of the path. Read-only.
CGPath	The Core Graphics version of the path.
Class	(Inherited from NSObject)
ClassHandle	The handle for this class.
CurrentPoint	The current point in the path. Read-only.
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)
Empty	Whether the path has any valid elements. Read-only.
Flatness	Determines the rendering accuracy for curved segments of the path.
Handle	Handle (pointer) to the unmanaged object representation. (Inherited from NSObject)
IsDirectBinding	(Inherited from NSObject)
IsProxy	(Inherited from NSObject)
LineCapStyle	The shape of the path's end points.
LineJoinStyle	The shape of the joints between connected segments of the path.
LineWidth	The width of the path. A value of 0 indicates the thinnest line renderable on the device.
MiterLimit	A value that allows control of spikes when path segments are joined by miters.
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)
UsesEvenOddFillRule	If true, the path is filled using the even-odd rule. If false, the non-zero rule is used.
Zone	(Inherited from NSObject)

Methods

AddArc(CGPoint, nfloat, nfloat, nfloat, Boolean)	Adds the arc defined by the parameters.
AddClip()	Intersects this UIBezierPath with the clipping path of the current graphics context.
AddCurveToPoint(CGPoint, CGPoint, CGPoint)	Appends a cubic Bezier curve to this UIBezierPath.
AddLineTo(CGPoint)	Appends a straight line to this UIBezierPath.
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)
AddQuadCurveToPoint(CGPoint, CGPoint)	Appends a quadratic Bezier curve to this UIBezierPath.
AppendPath(UIBezierPath)	Appends a path to this UIBezierPath.
ApplyTransform(CGAffineTransform)	Applies an affine transform to this UIBezierPath.
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)
BezierPathByReversingPath()	Creates a new UIBezierPath whose path is the reverse of this UIBezierPath.
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)
ClosePath()	Closes the most recently added subpath.
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)
ContainsPoint(CGPoint)	Whether the area enclosed by this UIBezierPath includes the specified PointF.
Copy()	Performs a copy of the underlying Objective-C object. (Inherited from NSObject)
Copy(NSZone)	Performs a copy of the underlying Objective-C object.
Create()	Creates a new UIBezierPath 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
Equals(NSObject)	(Inherited from NSObject)
Equals(Object)	(Inherited from NSObject)
ExposedBindings()	(Inherited from NSObject)
Fill()	Fills this UIBezierPath's enclosed region using the current drawing properties.
Fill(CGBlendMode, nfloat)	Fills the region enclosed by the path.
FromArc(CGPoint, nfloat, nfloat, nfloat, Boolean)	Static factory method that creates a UIBezierPath from the arc described by the parameters.
FromOval(CGRect)	Creates a new UIBezierPath, initialized with the specified oval.
FromPath(CGPath)	Creates a new UIBezierBath, initialize with the specified CGPath.
FromRect(CGRect)	Creates a new UIBezierPath, initialized with the specified rectangle.
FromRoundedRect(CGRect, nfloat)	Factory method to create a UIBezierPath from a rounded rectangle.
FromRoundedRect(CGRect, UIRectCorner, CGSize)	Static factory method to create a UIBezierPath from the rounded rectangle described by the parameters.
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)
GetLineDash(nfloat[], nfloat)	Stores the stroking pattern and phase in the provided `out` parameters.
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)
MoveTo(CGPoint)	Moves the CurrentPoint to the specified location.
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)
RemoveAllPoints()	Removes all points from this UIBezierPath, effectively resetting it.
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)
SetLineDash(nfloat[], nfloat)	Sets line stroking pattern for the path.
SetLineDash(nfloat[], nint, nint, nfloat)	Sets the dash pattern for the line.
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)
Stroke()	Renders a line along the path using the current drawing properties.
Stroke(CGBlendMode, nfloat)	Draws the path.
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)
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)

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.

Applies to

共用方式為