Question

DOM methos

Asked by: paddykool

Hi all,

I need a some explanation as to what is going in my code and where to get reference documents to  what I'm actually doing!!!

I am using excel VBA to drive a very simple HTML web front-end.
I'm using DOM to extract out the link that I want to click. From the watch I can see that the object 'Resolvelink' is of type Object/HTMLAnchorElement.

Then I do a Resolvelink.Click to click the link

What I want to know is where exactly the method 'Click' comes from?? Where can I get the object reference documentation to find out what other methods / properties I can perform on my HTMLAnchorElement.
What about other HTML elements such as HTMLSelectElement or HTMLInputElement??

All tips, tricks and info greatly appreciated.

And (going out on a limb . . . ) if any one has a better way to code what I have below feel free to tell me!!! :)

Sub linkclickk()
 
Set mIE = New SHDocVw.InternetExplorer
mIE.Visible = True
 
' Set the URL
mIE.Navigate "http://localhost/ievba/Home.asp"
 
a = 5
 
' Retrieve all the <a> tags from within the document
Set aTags = mIE.Document.getElementsByTagName("A")
    
' Get the length of aTags
lengthaTags = aTags.Length
    
' Find the link the to the WhoAreYou page . . .
LinkToFind = "WhoAreYou"
 
For i = 0 To lengthaTags - 1
        
    ' get the innerText of the object
    innerTextOfCurrentObject = aTags(i).InnerText
    If innerTextOfCurrentObject = LinkToFind Then
        Set Resolvelink = aTags(i)
        Exit For
    End If
Next
 
 
Resolvelink.Click
 
End Sub

                                  
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Asked On
2009-06-20 at 09:01:37ID24508377
Tags

DOM HTML VBA

Topics

Document Object Model

,

Hypertext Markup Language (HTML)

,

JScript

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: dachusaPosted on 2009-06-20 at 13:28:02ID: 24675069

Click method is actually part of the objects class

http://developer.kde.org/documentation/library/3.2-api/khtml/html/classDOM_1_1HTMLAnchorElement.html

other functions would be .blur and .focus.

and here is a full list of HTMLelements

http://developer.kde.org/documentation/library/3.2-api/khtml/html/classDOM_1_1HTMLElement.html

 

by: imnoriePosted on 2009-06-20 at 14:30:07ID: 24675303

I actually find MS quite useful for this sort of thing, though it does help if you sort of know what you are looking for.

http://msdn.microsoft.com/en-us/library/ms533050.aspx

As to better code I suppose it really depends on what you actually want to do with the link, but the most important
thing is that it does what you want.

So if what you've got so far works stick with it, unless you want to do something else.

In the past if I wanted to goto another webpage I would use Navigate, but that was normally when I wanted to be able to work with the page I was navigating to.

' other code

.Navigate lnk
Do Until .ReadyState = 4: DoEvents: Loop
Set doc2 = IE2.Document

' other code using doc2 as reference for page navigated to                        

 

by: paddykoolPosted on 2009-06-22 at 03:25:22ID: 31594700

Thanks all.
Much appreciated

20120131-EE-VQP-002

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