GradientStopCollection Class

Namespace:
GemBox.Presentation
Assembly:
GemBox.Presentation.dll

Represents a collection of gradient stops in a gradient fill.

public class GradientStopCollection : Collection<GradientStop>, IList, ICollection, IList<GradientStop>, ICollection<GradientStop>, IEnumerable<GradientStop>, IEnumerable
Public Class GradientStopCollection
    Inherits Collection(Of GradientStop)
    Implements IList, ICollection, IList(Of GradientStop), ICollection(Of GradientStop), IEnumerable(Of GradientStop), IEnumerable
Inheritance:
System.Object
GradientStopCollection
Implements
System.Collections.IList
System.Collections.ICollection
System.Collections.Generic.IList<GradientStop>
System.Collections.Generic.ICollection<GradientStop>
System.Collections.Generic.IEnumerable<GradientStop>
System.Collections.IEnumerable

Properties

Count

Gets the number of GradientStops contained in the collection.

public int Count { get; }
Public ReadOnly Property Count As Integer
Property Value
System.Int32

The number of GradientStops contained in the collection.

Item[Int32]

Gets or sets the GradientStop at the specified index.

public GradientStop this[int index] { get; set; }
Public Property Item(index As Integer) As GradientStop
Parameters
index
System.Int32

The zero-based index of the GradientStop to get or set.

Property Value
GradientStop

The GradientStop at the specified index.

Exceptions
System.ArgumentOutOfRangeException

index is less than zero or index is equal to or greater than Count.

Methods

Add(GradientStop)

Adds a GradientStop to the end of the collection.

public void Add(GradientStop item)
Public Sub Add(item As GradientStop)
Parameters
item
GradientStop

The GradientStop to be added to the end of the collection.

Exceptions
System.ArgumentNullException

item is null.

AddNew(Double, Color)

Adds a new gradient stop.

public GradientStop AddNew(double position, Color color)
Public Function AddNew(position As Double, color As Color) As GradientStop
Parameters
position
System.Double

The position of the gradient stop expressed as a percentage from 0 to 1.

color
Color

The color of the gradient stop.

Returns
GradientStop

A newly added gradient stop.

Clear()

Removes all GradientStops from the collection.

public void Clear()
Public Sub Clear

Contains(GradientStop)

Determines whether a GradientStop is in the collection.

public bool Contains(GradientStop item)
Public Function Contains(item As GradientStop) As Boolean
Parameters
item
GradientStop

The GradientStop to locate in the collection.

Returns
System.Boolean

true if item is found in the collection; otherwise, false.

Exceptions
System.ArgumentNullException

item is null.

GetEnumerator()

Returns an enumerator that iterates through the GradientStopCollection.

public IEnumerator<GradientStop> GetEnumerator()
Public Function GetEnumerator As IEnumerator(Of GradientStop)
Returns
System.Collections.Generic.IEnumerator<GradientStop>

An System.Collections.Generic.IEnumerator<T> for the collection.

IndexOf(GradientStop)

Searches for the specified GradientStop and returns the zero-based index of the first occurrence within the entire collection.

public int IndexOf(GradientStop item)
Public Function IndexOf(item As GradientStop) As Integer
Parameters
item
GradientStop

The GradientStop to locate in the collection.

Returns
System.Int32

The zero-based index of the first occurrence of item within the entire collection, if found; otherwise, -1.

Insert(Int32, GradientStop)

Inserts a GradientStop to the collection at the specified index.

public void Insert(int index, GradientStop item)
Public Sub Insert(index As Integer, item As GradientStop)
Parameters
index
System.Int32

The zero-based index at which GradientStop should be inserted.

item
GradientStop

The GradientStop to insert into the collection.

Exceptions
System.ArgumentOutOfRangeException

index is less than zero or index is equal to or greater than Count.

InsertNew(Int32, Double, Color)

Inserts a new gradient stop with the specified name at the specified index.

public GradientStop InsertNew(int index, double position, Color color)
Public Function InsertNew(index As Integer, position As Double, color As Color) As GradientStop
Parameters
index
System.Int32

The position in the collection where the new gradient stop should be inserted.

position
System.Double

The position of the gradient stop expressed as a percentage from 0 to 1.

color
Color

The color of the gradient stop.

Returns
GradientStop

A newly inserted gradient stop.

Exceptions
System.ArgumentOutOfRangeException

index is less than 0 or greater than Count.

Remove(GradientStop)

Removes the first occurrence of a specific GradientStop from the collection.

public bool Remove(GradientStop item)
Public Function Remove(item As GradientStop) As Boolean
Parameters
item
GradientStop

The GradientStop to remove from the collection.

Returns
System.Boolean

true if item is successfully removed; otherwise, false. This method also returns false if item was not found in the original collection.

RemoveAt(Int32)

Removes the GradientStop at the specified index of the collection.

public void RemoveAt(int index)
Public Sub RemoveAt(index As Integer)
Parameters
index
System.Int32

The zero-based index of the GradientStop to remove.

Exceptions
System.ArgumentOutOfRangeException

index is less than zero or index is equal to or greater than Count.

Implements

System.Collections.IList
System.Collections.ICollection
System.Collections.Generic.IList<T>
System.Collections.Generic.ICollection<T>
System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable