PolyLineSegment Class

 

Represents a set of line segments defined by a PointCollection with each Point specifying the end point of a line segment.

Namespace:   System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

System.Object
  System.Windows.Threading.DispatcherObject
    System.Windows.DependencyObject
      System.Windows.Freezable
        System.Windows.Media.Animation.Animatable
          System.Windows.Media.PathSegment
            System.Windows.Media.PolyLineSegment

Public NotInheritable Class PolyLineSegment
	Inherits PathSegment

NameDescription
System_CAPS_pubmethodPolyLineSegment()

Initializes a new instance of the PolyLineSegment class.

System_CAPS_pubmethodPolyLineSegment(IEnumerable(Of Point), Boolean)

Initializes a new instance of the PolyLineSegment class with the specified list of points that determine the line segments and a value indicating whether the segments are stroked.

NameDescription
System_CAPS_pubpropertyCanFreeze

Gets a value that indicates whether the object can be made unmodifiable. (Inherited from Freezable.)

System_CAPS_pubpropertyDependencyObjectType

Gets the DependencyObjectType that wraps the CLR type of this instance. (Inherited from DependencyObject.)

System_CAPS_pubpropertyDispatcher

Gets the Dispatcher this DispatcherObject is associated with. (Inherited from DispatcherObject.)

System_CAPS_pubpropertyHasAnimatedProperties

Gets a value that indicates whether one or more AnimationClock objects is associated with any of this object's dependency properties.(Inherited from Animatable.)

System_CAPS_pubpropertyIsFrozen

Gets a value that indicates whether the object is currently modifiable. (Inherited from Freezable.)

System_CAPS_pubpropertyIsSealed

Gets a value that indicates whether this instance is currently sealed (read-only).(Inherited from DependencyObject.)

System_CAPS_pubpropertyIsSmoothJoin

Gets or sets a value that indicates whether the join between this PathSegment and the previous PathSegment is treated as a corner when it is stroked with a Pen. (Inherited from PathSegment.)

System_CAPS_pubpropertyIsStroked

Gets or sets a value that indicates whether the segment is stroked. (Inherited from PathSegment.)

System_CAPS_pubpropertyPoints

Gets or sets the collection of Point structures that defines this PolyLineSegment object.

NameDescription
System_CAPS_pubmethodApplyAnimationClock(DependencyProperty, AnimationClock)

Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the SnapshotAndReplace handoff behavior is used.(Inherited from Animatable.)

System_CAPS_pubmethodApplyAnimationClock(DependencyProperty, AnimationClock, HandoffBehavior)

Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the specified HandoffBehavior is used.(Inherited from Animatable.)

System_CAPS_pubmethodBeginAnimation(DependencyProperty, AnimationTimeline)

Applies an animation to the specified DependencyProperty. The animation is started when the next frame is rendered. If the specified property is already animated, the SnapshotAndReplace handoff behavior is used.(Inherited from Animatable.)

System_CAPS_pubmethodBeginAnimation(DependencyProperty, AnimationTimeline, HandoffBehavior)

Applies an animation to the specified DependencyProperty. The animation is started when the next frame is rendered. If the specified property is already animated, the specified HandoffBehavior is used. (Inherited from Animatable.)

System_CAPS_pubmethodCheckAccess()

Determines whether the calling thread has access to this DispatcherObject.(Inherited from DispatcherObject.)

System_CAPS_pubmethodClearValue(DependencyProperty)

Clears the local value of a property. The property to be cleared is specified by a DependencyProperty identifier. (Inherited from DependencyObject.)

System_CAPS_pubmethodClearValue(DependencyPropertyKey)

Clears the local value of a read-only property. The property to be cleared is specified by a DependencyPropertyKey. (Inherited from DependencyObject.)

System_CAPS_pubmethodClone()

Creates a modifiable clone of this PolyLineSegment, making deep copies of this object's values. When copying dependency properties, this method copies resource references and data bindings (but they might no longer resolve) but not animations or their current values.

System_CAPS_pubmethodCloneCurrentValue()

Creates a modifiable clone of this PolyLineSegment object, making deep copies of this object's current values. Resource references, data bindings, and animations are not copied, but their current values are.

System_CAPS_pubmethodCoerceValue(DependencyProperty)

Coerces the value of the specified dependency property. This is accomplished by invoking any CoerceValueCallback function specified in property metadata for the dependency property as it exists on the calling DependencyObject.(Inherited from DependencyObject.)

System_CAPS_pubmethodEquals(Object)

Determines whether a provided DependencyObject is equivalent to the current DependencyObject.(Inherited from DependencyObject.)

System_CAPS_pubmethodFreeze()

Makes the current object unmodifiable and sets its IsFrozen property to true. (Inherited from Freezable.)

System_CAPS_pubmethodGetAnimationBaseValue(DependencyProperty)

Returns the non-animated value of the specified DependencyProperty.(Inherited from Animatable.)

System_CAPS_pubmethodGetAsFrozen()

Creates a frozen copy of the Freezable, using base (non-animated) property values. Because the copy is frozen, any frozen sub-objects are copied by reference. (Inherited from Freezable.)

System_CAPS_pubmethodGetCurrentValueAsFrozen()

Creates a frozen copy of the Freezable using current property values. Because the copy is frozen, any frozen sub-objects are copied by reference.(Inherited from Freezable.)

System_CAPS_pubmethodGetHashCode()

Gets a hash code for this DependencyObject.(Inherited from DependencyObject.)

System_CAPS_pubmethodGetLocalValueEnumerator()

Creates a specialized enumerator for determining which dependency properties have locally set values on this DependencyObject. (Inherited from DependencyObject.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodGetValue(DependencyProperty)

Returns the current effective value of a dependency property on this instance of a DependencyObject. (Inherited from DependencyObject.)

System_CAPS_pubmethodInvalidateProperty(DependencyProperty)

Re-evaluates the effective value for the specified dependency property(Inherited from DependencyObject.)

System_CAPS_pubmethodReadLocalValue(DependencyProperty)

Returns the local value of a dependency property, if it exists. (Inherited from DependencyObject.)

System_CAPS_pubmethodSetCurrentValue(DependencyProperty, Object)

Sets the value of a dependency property without changing its value source. (Inherited from DependencyObject.)

System_CAPS_pubmethodSetValue(DependencyProperty, Object)

Sets the local value of a dependency property, specified by its dependency property identifier. (Inherited from DependencyObject.)

System_CAPS_pubmethodSetValue(DependencyPropertyKey, Object)

Sets the local value of a read-only dependency property, specified by the DependencyPropertyKey identifier of the dependency property. (Inherited from DependencyObject.)

System_CAPS_protmethodShouldSerializeProperty(DependencyProperty)

Returns a value that indicates whether serialization processes should serialize the value for the provided dependency property.(Inherited from DependencyObject.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

System_CAPS_pubmethodVerifyAccess()

Enforces that the calling thread has access to this DispatcherObject.(Inherited from DispatcherObject.)

NameDescription
System_CAPS_pubfieldSystem_CAPS_staticPointsProperty

Identifies the Points dependency property.

NameDescription
System_CAPS_pubeventChanged

Occurs when the Freezable or an object it contains is modified. (Inherited from Freezable.)

Use this class to create a series of connected lines in a PathFigure.

The following example shows how to use a PolyLineSegment to specify points for segments of a PathFigure.

<Path Stroke="Black" StrokeThickness="1" >
  <Path.Data>
    <PathGeometry>
      <PathGeometry.Figures>
        <PathFigure StartPoint="10,50">
          <PathFigure.Segments>
            <BezierSegment
              Point1="100,0"
              Point2="200,200"
              Point3="300,100"/>
            <LineSegment Point="400,100" />
            <ArcSegment
              Size="50,50" RotationAngle="45"
              IsLargeArc="True" SweepDirection="Clockwise"
              Point="200,100"/>
          </PathFigure.Segments>
        </PathFigure>

        <PathFigure StartPoint="10,100">
          <PathFigure.Segments>
            <PolyLineSegment Points="50,100 50,150" />
            <QuadraticBezierSegment Point1="200,200" Point2="300,100"/>
          </PathFigure.Segments>
        </PathFigure>                
      </PathGeometry.Figures>
    </PathGeometry>
  </Path.Data>
</Path>

Dim myPathGeometry As New PathGeometry()

' Create a figure.
Dim pathFigure1 As New PathFigure()
pathFigure1.StartPoint = New Point(10,50)
pathFigure1.Segments.Add(New BezierSegment(New Point(100,0), New Point(200,200), New Point(300,100), True)) ' IsStroked 
pathFigure1.Segments.Add(New LineSegment(New Point(400,100), True)) ' IsStroked 
pathFigure1.Segments.Add(New ArcSegment(New Point(200,100), New Size(50,50), 45, True, SweepDirection.Clockwise, True)) ' IsStroked  -  IsLargeArc 
myPathGeometry.Figures.Add(pathFigure1)

' Create another figure.
Dim pathFigure2 As New PathFigure()
pathFigure2.StartPoint = New Point(10,100)
Dim polyLinePointArray() As Point = { New Point(50, 100), New Point(50, 150)}
Dim myPolyLineSegment As New PolyLineSegment()
myPolyLineSegment.Points = New PointCollection(polyLinePointArray)
pathFigure2.Segments.Add(myPolyLineSegment)
pathFigure2.Segments.Add(New QuadraticBezierSegment(New Point(200,200), New Point(300,100), True)) ' IsStroked 
myPathGeometry.Figures.Add(pathFigure2)

' Display the PathGeometry. 
Dim myPath As New Path()
myPath.Stroke = Brushes.Black
myPath.StrokeThickness = 1
myPath.Data = myPathGeometry

.NET Framework
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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