Class CollectionChangedNotificationResult<T>

Denotes the standard implementation of a collection result

Inheritance
object
CollectionChangedNotificationResult<T>
Implements
Inherited Members
Namespace: NMF.Expressions
Assembly: NMF.Expressions.dll
Syntax
public class CollectionChangedNotificationResult<T> : ICollectionChangedNotificationResult<T>, ICollectionChangedNotificationResult, INotificationResult
Type Parameters
Name Description
T

the type of elements

Properties

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AddedItems

Gets a list of added items

Declaration
public List<T> AddedItems { get; }
Property Value
Type Description
List<T>
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Changed

True, if there were changes, otherwise False

Declaration
public bool Changed { get; }
Property Value
Type Description
bool
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IsReset

True, if the collection was reset, otherwise False

Declaration
public bool IsReset { get; }
Property Value
Type Description
bool
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MovedItems

Gets a list of moved items

Declaration
public List<T> MovedItems { get; }
Property Value
Type Description
List<T>
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NewItemsStartIndex

Gets the first index of new items or -1

Declaration
public int NewItemsStartIndex { get; set; }
Property Value
Type Description
int
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OldItemsStartIndex

Gets the first index of old items or -1

Declaration
public int OldItemsStartIndex { get; set; }
Property Value
Type Description
int
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RemovedItems

Gets a list of removed items

Declaration
public List<T> RemovedItems { get; }
Property Value
Type Description
List<T>
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Source

The source of this result

Declaration
public INotifiable Source { get; }
Property Value
Type Description
INotifiable

Methods

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Create(INotifiable, bool)

Creates a new instance of a collection notification

Declaration
public static CollectionChangedNotificationResult<T> Create(INotifiable source, bool isReset = false)
Parameters
Type Name Description
INotifiable source

the source DDG node
bool isReset

True, if this is a reset, otherwise False
Returns
Type Description
CollectionChangedNotificationResult<T>

A collection notification instance
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FreeReference()

Frees a reference

Declaration
public void FreeReference()
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IncreaseReferences(int)

Increases the reference counter

Declaration
public void IncreaseReferences(int references)
Parameters
Type Name Description
int references

The number of references
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Transfer(ICollectionChangedNotificationResult, INotifiable)

Transfers the provided notification to a new change source

Declaration
public static CollectionChangedNotificationResult<T> Transfer(ICollectionChangedNotificationResult oldResult, INotifiable newSource)
Parameters
Type Name Description
ICollectionChangedNotificationResult oldResult

The old notification
INotifiable newSource

The new change source
Returns
Type Description
CollectionChangedNotificationResult<T>

An updated notification
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TurnIntoReset()

Turns this notification into a reset

Declaration
public void TurnIntoReset()
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UpdateNewStartIndex(int)

Updates the new start index

Declaration
public void UpdateNewStartIndex(int startIndex)
Parameters
Type Name Description
int startIndex

the new start index of new items
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UpdateOldStartIndex(int)

Updates the old start index

Declaration
public void UpdateOldStartIndex(int startIndex)
Parameters
Type Name Description
int startIndex

the new start index of old items

Implements

Extension Methods