> Hello Mike,
>
> When you say "some web sites don't provide the web page with a src tag", do
> you mean those "web pages" actually just let the Acrobat reader take over
> the entire browser control (the PDF document was fully filled into the
> control)? Or those web pages uses other means to embed a PDF file as a
> portion of the entire HTML page?
>
> Could you give me a specific sample of the problem you met so I can better
> understand the situation and see if we can come out a solution to it?
>
> Thanks,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
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>
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>
>

> If the browser control navigates directly to a PDF file, there will not be
> a src tag to extract the file name. Instead, we can use the
> DocumentComplete event to trap the PDF URL:
>
> Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As
> System.EventArgs) Handles MyBase.Load
>    
> AxWebBrowser1.Navigate("http://research.microsoft.com/en-us/um/people/cmbish
> op/prml/bishop-prml-sample.pdf")
> End Sub
>
> Private Sub AxWebBrowser1_DocumentComplete(ByVal sender As System.Object,
> ByVal e As AxSHDocVw.DWebBrowserEvents2_DocumentCompleteEvent) Handles
> AxWebBrowser1.DocumentComplete
>     MessageBox.Show(e.uRL.ToString())
> End Sub
>
> With the code above, we'll see the MessageBox pops up with the URL of the
> PDF file.
>
> Will this then help you to download the PDF file?
>
> Regards,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
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>
>

> Hi,
>
> From the form of the URL we can't really see why some work while others not.
>
> However, I can think of two ways of sending a PDF file to the client side
> for it to be displayed in the entire browser control:
>
> 1. Write PDF stream directly to the response stream, while setting the
> content type to application/pdf.
>
> or, it can
>
> 2. Send a HTTP redirect code to the client, so the client is responsible
> for re-sending the request to the new URL to get the *real* PDF file.
>
> Now I suspect the "not working" scenario could be cause by the second way.
>
> I'll try to setup an environment to test these two scenarios and see what
> exactly happens.
>
> Could you let me know, for the not working URLs like "...
> doc1/038110817935", what if you manually navigate to that URL in a IE
> browser? Do you get the PDF file?
>
> Thanks,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
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>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
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> nature are best handled working with a dedicated Microsoft Support Engineer
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> ==================================================
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>
>

> Hi,
>
> I've found another way to get the URL of the PDF file currently being
> displayed "full screen" in the web browser control.
>
> Actually, when the PDF document is displayed "full screen" (or shall we say
> full control) in the web browser control, the Document property actually
> returns an IAcroAxDocShim interface instead of an HTML DOM interface. This
> matches the error description in your second post.
>
> So all we need to do is check the type of the Document property and see if
> it is IAcroAxDocShim, we can call src property on that interface and get
> the URL of the PDF file.
>
> The code looks like this (suppose I have a WebBrowser control named
> AxWebBrowser1):
>
> If (TypeOf AxWebBrowser1.Document Is AcroPDFLib.IAcroAXDocShim) Then
>     ' this is a full screen PDF file
>     Dim pdfSrc As String
>     pdfSrc = CType(AxWebBrowser1.Document, AcroPDFLib.IAcroAXDocShim).src
>
> Else
>     ' this is a normal HTML page, process the page. 
> End If
>
> To access the IAcroAxDocShim interface, you need to add a COM reference to
> your project, named "Adobe Acrobat Browser Control Type Library 1.0".
>
> What I'm not sure is whether or not we can download the file even we got
> the URL in some cases - like if the page request requires an authenticated
> session, this approach may still fail. I tried to save the PDF file via the
> IAcroAXDocShim, but failed to find a way to do so. This control is made by
> Adobe and I was not able to find a document of how to use it from their
> website.
>
> Anyway, please let me know if the IAcroAXDocShim can help you get the URL
> first. Then we'll think of a way to get the file via the URL. You can also
> try Adobe's online forum to ask questions related to the IAcroAXDocShim
> interface to get more information.
>
> Best regards,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
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>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
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> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
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> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
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> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>

> I was thinking to find a way to get the PDF document object from the
> IAcroAxDocShim interface we have in hand, then we can save the document
> using it's object model. However, there is no apparent way of doing that,
> still trying to figure out.
>
> Another notable method on the IAcroAxDocShim interface is execCommand, I
> don't know if there could be some command to be executed on it to save the
> PDF to local disk (should be one because the PDF reader control itself has
> a save button on the UI so I guess there should be a corresponding OM way
> to do that). But lacking of document from Adobe makes it hard to figure
> out, too.
>
> Hope these clues help in some way.
>
> Regards,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
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> http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
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> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>

"LN Mike" wrote:

> I hate Adobe.
> After reading over 320 pages about Adobe Interapplication Communication API
> Reference and posts from Adobe forms and code samples, I've come up with this.
>
>
>                             Dim PDDoc As Object
>                             Dim AVDoc As Object
>                             Dim AcroExchApp As Object
>                             Dim AVDocTarget As Object
>
>                             AcroExchApp = CreateObject("AcroExch.App")
>                             AVDocTarget = CreateObject("AcroExch.AVDoc")
>                             AVDoc = AcroExchApp.GetActiveDoc
>                             PDDoc = AVDocTarget.GetPDDoc
>
>                             PDDoc.Save(1 Or 4 Or 32, "C:\IMAGE\test.pdf")
>
>                             PDDoc.Close()
>                             PDDoc = Nothing
>                             AVDoc.Close(True)
>                             AVDoc = Nothing
>
>                             AcroExchApp.Exit()
>                             AcroExchApp = Nothing
>                             AVDocTarget.Exit()
>                             AVDocTarget = Nothing
>
>
> But AVDoc and PDDoc are coming back with nothing. PDDoc.Save will error
> because PDDoc is nothing.
>
> I might be on the wrong track, and need to get back to just using
> IAcroAxDocShim interface.
> I researched execCommand, like you said no documentation, in fact the white
> paper "Adobe Interapplication Communication API Reference" doesn't even list
> it as one of the methods.
>
> Some of the code I got from
> http://support.adobe.com/devsup/devsup.nsf/docs/51415.htm
>
> I need to vent some more, I hate Adobe. 99% of what I read was crap but I
> had to read through it so I can find the 1% that I did need. I also talked
> with Adobe tech support, they were no help.
>
> Let's keep looking into IAcroAxDocShim execCommand, unless you know how to
> solve the AVDoc and PDDoc are coming back with nothing, stated above.
>
>
> ""Jie Wang [MSFT]"" wrote:
>
> > I was thinking to find a way to get the PDF document object from the
> > IAcroAxDocShim interface we have in hand, then we can save the document
> > using it's object model. However, there is no apparent way of doing that,
> > still trying to figure out.
> >
> > Another notable method on the IAcroAxDocShim interface is execCommand, I
> > don't know if there could be some command to be executed on it to save the
> > PDF to local disk (should be one because the PDF reader control itself has
> > a save button on the UI so I guess there should be a corresponding OM way
> > to do that). But lacking of document from Adobe makes it hard to figure
> > out, too.
> >
> > Hope these clues help in some way.
> >
> > Regards,
> >
> > Jie Wang (jie***@online.microsoft.com, remove 'online.')
> >
> > Microsoft Online Community Support
> >
> > Delighting our customers is our #1 priority. We welcome your comments and
> > suggestions about how we can improve the support we provide to you. Please
> > feel free to let my manager know what you think of the level of service
> > provided. You can send feedback directly to my manager at:
> > msd***@microsoft.com.
> >
> > ==================================================
> > Get notification to my posts through email? Please refer to
> > http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
> >
> > Note: MSDN Managed Newsgroup support offering is for non-urgent issues
> > where an initial response from the community or a Microsoft Support
> > Engineer within 2 business days is acceptable. Please note that each follow
> > up response may take approximately 2 business days as the support
> > professional working with you may need further investigation to reach the
> > most efficient resolution. The offering is not appropriate for situations
> > that require urgent, real-time or phone-based interactions. Issues of this
> > nature are best handled working with a dedicated Microsoft Support Engineer
> > by contacting Microsoft Customer Support Services (CSS) at
> > http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> > ==================================================
> > This posting is provided "AS IS" with no warranties, and confers no rights.
> >
> >

> > What about IDownloadManager::Download Method ?
>
> Not sure how can I cast the document into IDownloadManager interface?
>
> I was looking at the interfaces implemented by the Adobe PDF Reader object,
> it implemented the IPersistFile interface and I tried to call Save method
> of that interface. However, I got a Not Implemented exception.
>
> I'll try check the ROT to see what else COM interfaces I can get.
>
> I don't know why Adobe implemented a LoadFile method on the IAcroAxDocShim
> interface, but didn't put a SaveAs method there.
>
> Meanwhile, please keep trying getting some help from Adobe - I will keep
> assisting on this issue and see if there is any other workarounds beyond
> dealing with the Acrobat object model, but it just looks weird a MSFT
> engineer is supporting on Adobe products. ;-)
>
> Regards,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
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> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>

> Since the Acrobat Reader ActiveX control way is a dead end, I need to
> clarify one thing with you: does these pages providing PDF files require
> logon before you can get to the file? Or any other authentications needed?
>
> Thanks,
>
> Jie Wang (jie***@online.microsoft.com, remove 'online.')
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>

> If a login is required, that means the web page feeding the PDF file will
> check the cookie/session on the server side before sending the file. Then
> how do you use a separate download class which is not likely to have the
> the access to the browser control's session to request file from the server
> page? I don't think there is a regular way to do that.
>
> And since Adobe said there is no way to get the PDF file from the PDF
> Reader control, it looks like our only hope is to try extracting the PDF
> file from IE cache.
>
> I'll check the possibilitie of the cache approach and get back here.
>
> Regards,
>
> Jie Wang
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
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> http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>

> First I have to say the ExecWB idea is brilliant. I thought that only works
> with HTML documents and ignored it as a possible solution, what a mistake!
>
> Regarding the save dialog, there is no way to suppress it. However, we can
> use another thread to automate the dialog:
>
> <DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Ansi)> _
> Private Shared Function FindWindowEx(ByVal parentHandle As IntPtr, _
>                   ByVal childAfter As IntPtr, _
>                   ByVal lclassName As String, _
>                   ByVal windowTitle As String) As IntPtr
> End Function
>
> <DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
> Private Shared Function SendMessage( _
>                  ByVal hWnd As IntPtr, _
>                  ByVal Msg As UInteger, _
>                  ByVal wParam As IntPtr, _
>                  ByVal lParam As IntPtr) As IntPtr
> End Function
>
> Private Const WM_SETTEXT As UInteger = &HC
> Private Const BM_CLICK As UInteger = &HF5
> Private Const MutexName = "SavePDFMutex"
>
> Private Sub SavePDF(ByVal param As Object)
>     Dim fileName As String = CType(param, String)
>     Dim timeOut As Integer = 5
>     Dim hWndSaveAs As IntPtr
>
>     Thread.Sleep(500)
>
>     Do While True
>         ' Get the Adobe Reader Save a Copy... dialog window handle
>         hWndSaveAs = FindWindowEx(IntPtr.Zero, IntPtr.Zero, "#32770", "Save
> a Copy...")
>
>         If hWndSaveAs = IntPtr.Zero Then
>             Thread.Sleep(1000)
>             timeOut = timeOut - 1
>
>             If timeOut = 0 Then
>                 ' 5 seconds timeout, still can't find the dialog
>                 Throw New ApplicationException("Unable to find the Save
> dialog window")
>             End If
>         Else
>             ' Dialog found, proceed.
>             Exit Do
>         End If
>     Loop
>
>     Dim lpFileName As IntPtr = Marshal.StringToHGlobalAuto(fileName)
>
>     Try
>         Dim hWndCboEx As IntPtr = FindWindowEx(hWndSaveAs, IntPtr.Zero,
> "ComboBoxEx32", Nothing)
>         Dim hWndCbo As IntPtr = FindWindowEx(hWndCboEx, IntPtr.Zero,
> "ComboBox", Nothing)
>         Dim hWndTxt As IntPtr = FindWindowEx(hWndCbo, IntPtr.Zero, "Edit",
> Nothing)
>         Dim hWndSave As IntPtr = FindWindowEx(hWndSaveAs, IntPtr.Zero,
> "Button", "Save")
>
>         ' Set the filename
>         SendMessage(hWndTxt, WM_SETTEXT, IntPtr.Zero, lpFileName)
>         ' Click on the button
>         SendMessage(hWndSave, BM_CLICK, IntPtr.Zero, IntPtr.Zero)
>     Finally
>         Marshal.FreeHGlobal(lpFileName)
>     End Try
> End Sub
>
> Now at the time you want to save the PDF, use the following code:
>
> ' Since you're going to have more than one instance of the application
> running,
> ' the mutex will make sure there will be only one save dialog at a time.
> Dim mu As New Mutex(False, MutexName)
> Dim t As New Thread(AddressOf SavePDF)
>
> mu.WaitOne()
>
> ' Start the save PDF thread, passing the filename to be saved.
> t.Start("D:\SavedPDF" & Guid.NewGuid().ToString("N") & ".pdf")
>
> AxWebBrowser1.ExecWB(SHDocVw.OLECMDID.OLECMDID_SAVEAS,
> SHDocVw.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER)
>
> ' Wait until the thread exists
> t.Join()
> mu.ReleaseMutex()
>
> **************************
>
> Another possible alternative to the ExecWB is the URLDownloadToFile
> function.
>
> <DllImport("urlmon.dll", CharSet:=CharSet.Auto, preservesig:=False)> _
> Private Shared Sub URLDownloadToFile( _
>                 <MarshalAs(UnmanagedType.IUnknown)> ByVal pCaller As
> Object, _
>                 ByVal szURL As String, _
>                 ByVal szFileName As String, _
>                 ByVal dwReserved As Integer, _
>                 ByVal lpfnCB As IntPtr)
> End Sub
>
> Now at the time you want to save the PDF, use the following code:
>
> If (TypeOf AxWebBrowser1.Document Is AcroPDFLib.IAcroAXDocShim) Then
>     ' Get the PDF source URL
>     Dim url As String = CType(AxWebBrowser1.Document,
> AcroPDFLib.IAcroAXDocShim).src
>     ' Download the PDF file in the web browser control's context
>     URLDownloadToFile(AxWebBrowser1.GetOcx(), url, "D:\test.pdf", 0,
> IntPtr.Zero)
> End If
>
> Please let me know how these two solutions works.
>
> Thanks,
>
> Jie Wang
>
> Microsoft Online Community Support
>
> Delighting our customers is our #1 priority. We welcome your comments and
> suggestions about how we can improve the support we provide to you. Please
> feel free to let my manager know what you think of the level of service
> provided. You can send feedback directly to my manager at:
> msd***@microsoft.com.
>
> ==================================================
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/en-us/subscriptions/aa948868.aspx#notifications.
>
> Note: MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 2 business days is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions. Issues of this
> nature are best handled working with a dedicated Microsoft Support Engineer
> by contacting Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/en-us/subscriptions/aa948874.aspx
> ==================================================
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>