Class HTMLEventsCollection

Implementation of events collection.

Inheritance
System.Object
System.Collections.CollectionBase
EventBaseCollection
HTMLEventsCollection
Implements
System.Collections.IList
System.Collections.ICollection
System.Collections.IEnumerable
Inherited Members
System.Collections.CollectionBase.Capacity
System.Collections.CollectionBase.Clear()
System.Collections.CollectionBase.Count
System.Collections.CollectionBase.GetEnumerator()
System.Collections.CollectionBase.InnerList
System.Collections.CollectionBase.List
System.Collections.CollectionBase.OnValidate(System.Object)
System.Collections.CollectionBase.RemoveAt(System.Int32)
System.Collections.CollectionBase.System.Collections.ICollection.CopyTo(System.Array, System.Int32)
System.Collections.CollectionBase.System.Collections.ICollection.IsSynchronized
System.Collections.CollectionBase.System.Collections.ICollection.SyncRoot
System.Collections.CollectionBase.System.Collections.IList.Add(System.Object)
System.Collections.CollectionBase.System.Collections.IList.Contains(System.Object)
System.Collections.CollectionBase.System.Collections.IList.get_Item(System.Int32)
System.Collections.CollectionBase.System.Collections.IList.IndexOf(System.Object)
System.Collections.CollectionBase.System.Collections.IList.Insert(System.Int32, System.Object)
System.Collections.CollectionBase.System.Collections.IList.IsFixedSize
System.Collections.CollectionBase.System.Collections.IList.IsReadOnly
System.Collections.CollectionBase.System.Collections.IList.Item[System.Int32]
System.Collections.CollectionBase.System.Collections.IList.Remove(System.Object)
System.Collections.CollectionBase.System.Collections.IList.set_Item(System.Int32, System.Object)
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Syncfusion.Windows.Forms.HTMLUI
Assembly: Syncfusion.HTMLUI.Windows.dll
Syntax
public class HTMLEventsCollection : EventBaseCollection, IList, IHTMLEventsCollection, IHTMLCollection, ICollection, IEnumerable

Constructors

HTMLEventsCollection(IHTMLElement)

Initializes a new instance of the HTMLEventsCollection class

Declaration
public HTMLEventsCollection(IHTMLElement parent)
Parameters
Type Name Description
IHTMLElement parent

Element which is the parent of the collection.

Properties

Item[String]

Returns the event with the specified name. If event is not supported by the element, then it will return NULL.

Declaration
public IHTMLEvent this[string name] { get; }
Parameters
Type Name Description
System.String name

A string variable
Property Value
Type
IHTMLEvent

Parent

Gets or sets the parent element of the collection.

Declaration
public IHTMLElement Parent { get; set; }
Property Value
Type
IHTMLElement

Methods

AttachEvent(String, EventHandler)

Overloaded. Attaches user delegate to the specified event. If event does not exist in the collection and the element supports such an event, then it will create a new instance of the event class to which the delegate will be attached.

Declaration
public void AttachEvent(string name, EventHandler handler)
Parameters
Type Name Description
System.String name

Event name.
System.EventHandler handler

Delegate to attach.

AttachEvent(String, EventHandler[])

Attaches user delegate to the specified event. If event does not exist in the collection and the element supports such an event, then it will create a new instance of the event class to which the delegate will be attached.

Declaration
public void AttachEvent(string name, EventHandler[] handlers)
Parameters
Type Name Description
System.String name

Event name.
System.EventHandler[] handlers

Array of the delegates.

Contains(String)

Indicates whether event with the specified name is supported.

Declaration
public bool Contains(string name)
Parameters
Type Name Description
System.String name

Name of the event.
Returns
Type Description
System.Boolean

True if such an event is supported.

CopyTo(IHTMLEventsCollection[], Int32)

Overridden. Copies to the specified array.

Declaration
public void CopyTo(IHTMLEventsCollection[] array, int index)
Parameters
Type Name Description
IHTMLEventsCollection[] array

Destination array of events.
System.Int32 index

Start index.

DetachEvent(String, EventHandler)

Overloaded. Detaches delegate of the specified event.

Declaration
public void DetachEvent(string name, EventHandler handler)
Parameters
Type Name Description
System.String name

Event name.
System.EventHandler handler

Delegate to detach.

DetachEvent(String, EventHandler[])

Detaches delegates of the specified event.

Declaration
public void DetachEvent(string name, EventHandler[] handlers)
Parameters
Type Name Description
System.String name

Event name.
System.EventHandler[] handlers

Array of delegates.

OnParentChanged(ValueChangedEventArgs)

Method called by parent property set part. This is the best place to write any logic dependent on the parent property.

Declaration
protected virtual void OnParentChanged(ValueChangedEventArgs args)
Parameters
Type Name Description
ValueChangedEventArgs args

A ValueChangedEventArgs instance

RaiseParentChanged(ValueChangedEventArgs)

Method raises the ParentChanged event.

Declaration
protected void RaiseParentChanged(ValueChangedEventArgs args)
Parameters
Type Name Description
ValueChangedEventArgs args

A ValueChangedEventArgs instance

Events

ParentChanged

Utility event. Raised when parent property changes.

Declaration
public event ValueChangedEventHandler ParentChanged
Event Type
Type
ValueChangedEventHandler

Implements

System.Collections.IList
System.Collections.ICollection
System.Collections.IEnumerable

Extension Methods