Class EntityCollection

Represents a collection of DLS entities.

Inheritance
System.Object
OwnerHolder
CollectionImpl
EntityCollection
BodyItemCollection
ParagraphItemCollection
WCellCollection
WRowCollection
WSectionCollection
WTextBoxCollection
Implements
System.Collections.IEnumerable
Inherited Members
Namespace: Syncfusion.DocIO.DLS
Assembly: Syncfusion.DocIO.Portable.dll
Syntax
public abstract class EntityCollection : CollectionImpl, IEntityCollectionBase, ICollectionBase, IEnumerable

Properties

FirstItem

Gets the first item from the collection.

Declaration
public Entity FirstItem { get; }
Property Value
Type Description
Entity

The Entity at the first index.

Item[Int32]

Gets the Entity at the specified index.

Declaration
public Entity this[int index] { get; }
Parameters
Type Name Description
System.Int32 index

The zero-based index of the entity to get.
Property Value
Type Description
Entity

The Entity at the specified index.
Exceptions
Type Condition
System.ArgumentOutOfRangeException

The index is not valid index in the IEntityCollectionBase.

LastItem

Gets the last item from the collection.

Declaration
public Entity LastItem { get; }
Property Value
Type Description
Entity

The Entity at the last index.

TypesOfElement

Gets the type of the elements present in the collection.

Declaration
protected abstract Type[] TypesOfElement { get; }
Property Value
Type Description
System.Type[]

The System.Type collection that contains the types of the elements.

Methods

Add(IEntity)

Adds the specified entity to the collection.

Declaration
public int Add(IEntity entity)
Parameters
Type Name Description
IEntity entity

The Entity to be added to the collection.
Returns
Type Description
System.Int32

The zero-based index of the Entity.
Exceptions
Type Condition
System.InvalidOperationException

Thrown when paragraph is added to CheckBox and Picture content control.

Clear()

Removes all items from the collection.

Declaration
public void Clear()

Contains(IEntity)

Determines whether an entity is in the collection.

Declaration
public bool Contains(IEntity entity)
Parameters
Type Name Description
IEntity entity

The Entity to be found in the collection.
Returns
Type Description
System.Boolean

True if it contains the specified entity, otherwise false.

IndexOf(IEntity)

Returns the zero-based index of the specified entity.

Declaration
public int IndexOf(IEntity entity)
Parameters
Type Name Description
IEntity entity

The Entity to which the index to be found.
Returns
Type Description
System.Int32

The zero-based index of the specified entity.

Insert(Int32, IEntity)

Inserts a entity into the collection at the specified index.

Declaration
public void Insert(int index, IEntity entity)
Parameters
Type Name Description
System.Int32 index

The integer that specifies the index to insert the entity.
IEntity entity

The Entity to be inserted.

OnClear()

Occurs when all items are removed.

Declaration
protected virtual void OnClear()

OnInsert(Int32, Entity)

Occurs when entity is inserted.

Declaration
protected virtual void OnInsert(int index, Entity entity)
Parameters
Type Name Description
System.Int32 index

The zero-based index to insert the entity.
Entity entity

The Entity to insert.

OnInsertComplete(Int32, Entity)

Occurs when entity is inserted.

Declaration
protected virtual void OnInsertComplete(int index, Entity entity)
Parameters
Type Name Description
System.Int32 index

The zero-based index to insert the entity.
Entity entity

The Entity to insert.

OnRemove(Int32)

occurs when entity is removed.

Declaration
protected virtual void OnRemove(int index)
Parameters
Type Name Description
System.Int32 index

The zero-based index to remove the entity.

Remove(IEntity)

Removes the entity from the collection.

Declaration
public void Remove(IEntity entity)
Parameters
Type Name Description
IEntity entity

The Entity to be removed.

RemoveAt(Int32)

Removes the entity at the specified index from the collection.

Declaration
public void RemoveAt(int index)
Parameters
Type Name Description
System.Int32 index

The index of the entity to be removed.
Exceptions
Type Condition
System.ArgumentOutOfRangeException

The index is not valid in the EntityCollection.

Implements

System.Collections.IEnumerable