Class HtmlElement

Represents an HTML element in the Document Object Model (DOM) of a Web page.

Inheritance

System.Object

ScriptObject

HtmlObject

HtmlElement

Implements

System.Dynamic.IDynamicMetaObjectProvider

Inherited Members

HtmlObject.AttachEvent(String, EventHandler)

HtmlObject.AttachEvent(String, EventHandler<HtmlEventArgs>)

HtmlObject.DetachEvent(String, EventHandler)

HtmlObject.DetachEvent(String, EventHandler<HtmlEventArgs>)

HtmlObject.ConvertTo(Type, Boolean)

ScriptObject.Dispatcher

ScriptObject.ManagedObject

ScriptObject.ConvertTo<T>()

ScriptObject.GetProperty(Int32)

ScriptObject.GetProperty(String)

ScriptObject.Invoke(String, Object[])

ScriptObject.InvokeSelf(Object[])

ScriptObject.SetProperty(Int32, Object)

ScriptObject.SetProperty(String, Object)

ScriptObject.IDynamicMetaObjectProvider.GetMetaObject(Expression)

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: System.Windows.Browser

Assembly: OpenSilver.Browser.dll

Syntax

public sealed class HtmlElement : HtmlObject, IDynamicMetaObjectProvider

Properties

| Improve this Doc View Source

Children

Gets a read-only collection of HTML elements that are immediate descendants of the current HTML element.

Declaration

public ScriptObjectCollection Children { get; }

Property Value

Type	Description
ScriptObjectCollection	A collection of HTML elements. If the current HTML element has no children, the returned collection is empty.

| Improve this Doc View Source

CssClass

Gets or sets the cascading style sheet (CSS) class string for the current HTML element.

Declaration

public string CssClass { get; set; }

Property Value

Type	Description
System.String	A CSS class string if the element is associated with a CSS class; otherwise, an empty string.

| Improve this Doc View Source

Id

Gets the identifier of the current HTML element.

Declaration

public string Id { get; set; }

Property Value

Type	Description
System.String	An HTML element ID string if the current element has an identifier; otherwise, an empty string.

Exceptions

Type	Condition
System.ArgumentException	The property is set to an empty string.
System.ArgumentNullException	The property is set to null.

| Improve this Doc View Source

Parent

Gets a reference to the parent of the current HTML element.

Declaration

public HtmlElement Parent { get; }

Property Value

Type	Description
HtmlElement	An HTML element reference if the element has a parent; otherwise, null.

| Improve this Doc View Source

TagName

Gets the HTML tag name of the current HTML element.

Declaration

public string TagName { get; }

Property Value

Type	Description
System.String	An HTML element tag name, such as div or span.

Methods

| Improve this Doc View Source

AppendChild(HtmlElement)

Adds an element to the end of the child collection for the current HTML element.

Declaration

public void AppendChild(HtmlElement element)

Parameters

Type	Name	Description
HtmlElement	element	The element to be added.

Exceptions

Type	Condition
System.ArgumentNullException	element is null.
System.InvalidOperationException	element is a reference to this HtmlElement.

| Improve this Doc View Source

AppendChild(HtmlElement, HtmlElement)

Adds an element at a specified location in the child element collection for the current HTML element.

Declaration

public void AppendChild(HtmlElement element, HtmlElement referenceElement)

Parameters

Type	Name	Description
HtmlElement	element	The element to be added.
HtmlElement	referenceElement	The location to insert the element. The element is added before referenceElement.

Exceptions

Type	Condition
System.InvalidOperationException	referenceElement is not in the child element collection of the current HTML element.
System.ArgumentNullException	element is null.

| Improve this Doc View Source

Focus()

Sets the browser focus to the current HTML element.

Declaration

public void Focus()

Exceptions

Type	Condition
System.InvalidOperationException	All errors.

| Improve this Doc View Source

GetAttribute(String)

Gets the value of the specified attribute on the current HTML element.

Declaration

public string GetAttribute(string name)

Parameters

Type	Name	Description
System.String	name	The name of an attribute.

Returns

Type	Description
System.String	An attribute on the current HTML element.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

| Improve this Doc View Source

GetStyleAttribute(String)

Retrieves the specified style attribute for the current HTML element.

Declaration

public string GetStyleAttribute(string name)

Parameters

Type	Name	Description
System.String	name	The name of the style attribute to retrieve.

Returns

Type	Description
System.String	The style attribute for the current HTML element.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

| Improve this Doc View Source

RemoveAttribute(String)

Removes an attribute from the current HTML element.

Declaration

public void RemoveAttribute(string name)

Parameters

Type	Name	Description
System.String	name	The name of the attribute to remove.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

| Improve this Doc View Source

RemoveChild(HtmlElement)

Removes the specified element from the child element collection of the current HTML element.

Declaration

public void RemoveChild(HtmlElement element)

Parameters

Type	Name	Description
HtmlElement	element	The element to remove.

Exceptions

Type	Condition
System.ArgumentNullException	element is null.
System.InvalidOperationException	All other errors.

| Improve this Doc View Source

RemoveStyleAttribute(String)

Removes a style attribute on the current HTML element.

Declaration

public void RemoveStyleAttribute(string name)

Parameters

Type	Name	Description
System.String	name	The style attribute to be removed.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

| Improve this Doc View Source

SetAttribute(String, String)

Sets the value of an attribute on the current HTML element.

Declaration

public void SetAttribute(string name, string value)

Parameters

Type	Name	Description
System.String	name	The attribute whose value will be set.
System.String	value	The attribute's new value.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

| Improve this Doc View Source

SetStyleAttribute(String, String)

Sets the value of a style attribute on the current HTML element.

Declaration

public void SetStyleAttribute(string name, string value)

Parameters

Type	Name	Description
System.String	name	The style attribute whose value will be set.
System.String	value	The style attribute's new value.

Exceptions

Type	Condition
System.ArgumentException	name is an empty string.
System.ArgumentNullException	name is null.

Implements

System.Dynamic.IDynamicMetaObjectProvider