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HTC Reference

For Microsoft Internet Explorer 5 and later, HTML Components (HTCs) provide a mechanism to implement components in script as Dynamic HTML (DHTML) behaviors. An HTC is an HTML file that contains script and a set of HTC-specific elements that define the component. The component is saved with an .htc extension. This section lists these HTC-specific elements and the members they support.

Objects

document

Represents the HTML document in a specific browser window.

element

Returns a reference to the tag in the primary document to which the behavior is attached.

PUBLIC:ATTACH

Binds a function to an event, so that the function is called whenever the event fires on the specified object.

PUBLIC:COMPONENT

Identifies the content of the file as HTC.

PUBLIC:DEFAULTS

Sets default properties for an HTC.

PUBLIC:EVENT

Defines an event of the HTC to be exposed to the containing document.

PUBLIC:METHOD

Defines a method of the HTC to be exposed to the containing document.

PUBLIC:PROPERTY

Defines a property of the HTC to be exposed to the containing document.

Methods

createEventObject

Creates an event object that can be used to pass event context information to the PUBLIC:EVENT element's fire method.

detachEvent

Detaches from the event.

fire

Fires the event, given an event object.

fireChange

Notifies the containing document that the value of the property has changed by firing the onpropertychange event on the element.

fireEvent

Fires the event, given a dispatch.

fireEvent

Fires the specified event.

Events

oncontentready

Fires when the content of the element, to which the behavior is attached, has been completely parsed.

oncontentsave

Fires just before the content of an element that is attached to an element behavior is saved or copied.

ondetach

Fires before a behavior is detached from an element.

ondocumentready

Fires when the behavior's containing document has been completely parsed.

Properties

defaults

Retrieves a dispatch representing a default.

document

Retrieves a dispatch representing a document.

element

Retrieves an element.

name

Retrieves a behavior name as a string.

urn

Retrieves a Uniform Resource Name (URN) as a string.

value

Sets or retrieves a value.

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Use of HTC Files
Lots of the comments here are from people trying to achieve things with HTC which should be done with CSS / Javascript these days. It's worth noting that HTC isn't cross browser compatible and should only really be used as a fallback to implement modern functionality in older MS browsers (e.g. CSS3 Pie: http://css3pie.com/)
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Webserives.htc and IE9

IE9  supports, attributes added by  setAttribute() method in creatElement() method.

Make changes in function useService(szService, userName, options) method of webserives.htc as follows:

//oProp=document.createElement("<PUBLIC:PROPERTY NAME="+userName+" />");
    oProp = document.createElement('PUBLIC:PROPERTY');
    oProp.setAttribute('NAME', userName)

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.htc support in ie 9
htc files are working fine in ie 7 , ie 8 and has issues in ie 9 $0$0 $0 $0can any one please  tell me if  htc files are supported by ie 9 or not . If supported can you please tell me the way to use it so that the htc files will be supported in ie 9 as well.$0 $0$0 $0 $0$0 $0 $0Thanks,$0 $0Irfani.$0
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Is there an .htc repository online?
Is there a repository or cdn that contain a ton of useful ready to use as is .htc files?  That would be great!
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Is Fire Fox Support HTC Reference file
Hi,

I am using .htc files and called it in the custom control using onload event. In IE it is properly registered and rendered but in FireFox is it not shown.  What is the way to show .htc files in firefox?
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