Little help with frames

Hi everyone

What i need to know is how to refresh/load a single frame and not the whole page.

Code:

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If WebBrowser1.ReadyState = WebBrowserReadyState.Complete Then

            Dim theStatusCollection As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("frame")
            For Each curElement As HtmlElement In theStatusCollection
                Dim controlName As String = curElement.GetAttribute("id").ToString
                If controlName = "main" Then
                    curElement.GetAttribute("scr").Equals("./BeO/webroot/index.php?module=Launchpad")
'this is where i want to refresh/load the scr in the "main" frame but i dont want to refresh the whole page
                End If
            Next

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Also if anyone knows how i could put this code in an external file and just make a call to it this would be great

so would be like this

External File Name

Code:

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Public Sub Login()
    'Code for login goes here
End Sub

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Then just make a call to it in my Form1.vb

Code:

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Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted

Call Login.Sub

System.Threading.Thread.Sleep(2000)

Call Name.Sub

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Something like that

Thnx in advance
PureBrit

To refresh just a single frame, you need to grab that frame, and navigate to its URL again. This may or may not work in all cases, but most pages that even use frames are pretty old now, as frames are somewhat depreciated for website design these days.

So anyways, to do this, basically something like this would work.

Code:

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        Dim FrameToRefresh = WebBrowser1.Document.Window.Frames(1)
        FrameToRefresh.Open(FrameToRefresh.Url, "_self", "", True)

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basically you get the frame you want to refresh (in this example, its the second frame since the index starts at 0), then once I get that frame, I call its Open method to open a URL in just that frame, and I pass in the URL that is currently in the frame. I pass in "_self" for the target so it will load the frame in the same spot.

Thanks kleinma

That worked and done just what i wanted it to do.

But how do i stop it refreshing lol it just keeps refreshing over and over again :confused:

You could set a flag (just simple boolean variable) which has an initial value of false. When your code is going to refresh the frame, check this flag, and if it is false, set it to true and then refresh the frame. Then when the routine fires again, your flag is true, no second refresh is done, and that should fix the problem.

Quote:

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Originally Posted by kleinma

You could set a flag (just simple boolean variable) which has an initial value of false. When your code is going to refresh the frame, check this flag, and if it is false, set it to true and then refresh the frame. Then when the routine fires again, your flag is true, no second refresh is done, and that should fix the problem.

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/me googles flags lol

na thanks mate you pointing me in the right direction :)

/me gets his books out and reads about flags

well flag can mean a few things. In this case it is really just a switch like on or off.

Code:

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'THIS SHOULD BE DECLARED AT THE CLASS LEVEL
Dim myFlag as boolean = false


'THIS WOULD BE IN YOUR DOCUMENTCOMPLETED ROUTINE
If myFlag = False then
    myFlag = True
    'REFRESH FRAME HERE
end if

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see, so the flag here ensures the code to refresh the frame only happens once, because you set the flag to true the first time you refresh, so when the routine fires again, it will skip the code since the flag is now true.

Quote:

---

Originally Posted by kleinma

well flag can mean a few things. In this case it is really just a switch like on or off.

Code:

---

'THIS SHOULD BE DECLARED AT THE CLASS LEVEL
Dim myFlag as boolean = false


'THIS WOULD BE IN YOUR DOCUMENTCOMPLETED ROUTINE
If myFlag = False then
    myFlag = True
    'REFRESH FRAME HERE
end if

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see, so the flag here ensures the code to refresh the frame only happens once, because you set the flag to true the first time you refresh, so when the routine fires again, it will skip the code since the flag is now true.

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nice one thanks mate i got a bit of code like that out of one of my books

thnx for all your help added to your rep