AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.1" />

.NET API 1,172,480 bytes

 HtmlFormControlElement

abstract class HtmlFormControlElement : HtmlElement, ILabelabelElement, IValidation
Represents the base class for all HTML form control elements.
public bool Autofocus { get; set; }

Gets or sets the autofocus HTML attribute, which indicates whether the control should have input focus when the page loads.

public IHtmlFormElement Form { get; }

Gets the associated HTML form element.

public bool IsDisabled { get; set; }

Gets or sets if the element is enabled or disabled.

public INodeList Labels { get; }

Gets the list of assigned labels.

public string Name { get; set; }

Gets or sets the value of the name attribute.

public bool SupportsLabels { get; }

Gets if labels are supported.

public string ValidationMessage { get; }

Gets the current validation message.

public IValidityState Validity { get; }

Gets the current validation state of the current element.

public bool WillValidate { get; }

Gets a value if the current element validates.

public HtmlFormControlElement(Document owner, string name, NodeFlags flags = 0)

protected abstract bool CanBeValidated()

protected virtual void Check(ValidityState state)

Checks the form control for validity.

public bool CheckValidity()

Checks the validity of the current element.

public void SetCustomValidity(string error)

Sets a custom validation error. If this is not the empty string, then the element is suffering from a custom validation error.