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HtmlDocument.AttachEventHandler Method

Adds an event handler for the named HTML DOM event.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void AttachEventHandler(
	string eventName,
	EventHandler eventHandler


Type: System.String

The name of the event you want to handle.

Type: System.EventHandler

The managed code that handles the event.

You should not attach an event to the document or one of its objects until the document has completed loading. The earliest you should call this method is in the DocumentCompleted event of the WebBrowser control.

This method allows you to attach handlers to unmanaged DOM events not exposed by HtmlDocument. For more information about available unmanaged DOM events, see Accessing Unexposed Members on the Managed HTML Document Object Model and the IHTMLDocument interfaces: IHTMLDocument, IHTMLDocument2, IHTMLDocument3, IHTMLDocument4, IHTMLDocument5.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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