Office.com Online using WinForms

This isn’t true API access, just a WebBrowser control. I’m looking into the API though which would require me to register my Application even though it’s not a Windows App.

It has a launcher (I haven’t decided exactly how I’ll integrate this) that will launch the Microsoft Office Online services at the click of a button.

As you can see, you can still access the Navigation provided by Microsoft. I fixed the Winform so it doesn’t launch a new window and keeps everything inside the Winform on the WebBrowser control.

I guess I see this side project being useful for someone who wants to use the free Office.com Online services with their Microsoft account and don’t want the full browser experience.

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Some notes to get this to render properly in the WebBrowser control.

I had to force a User Agent to indicate I was using IE11. I think what I was seeing was that the WebBrowser control was defaulting to MSIE7. Made things look like crap.

VB.NET Code for this:

Private Property uag As String = "Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko"
     _
    Private Shared Function UrlMkSetSessionOption(ByVal dwOption As Integer, ByVal pBuffer As String, ByVal dwBufferLength As Integer, ByVal dwReserved As Integer) As Integer
    End Function
    Const URLMON_OPTION_USERAGENT As Integer = &H10000001
    Public Function ChangeUserAgent(ByVal Agent As String)
        UrlMkSetSessionOption(URLMON_OPTION_USERAGENT, Agent, Agent.Length, 0)
    End Function

I implemented forcing new windows to the WebBrowser control in the Winform. If you use the top navigation at all, it opened the service in a new Internet Explorer Window.

VB.NET Code for this:

    Private Sub Webbrowser1_NewWindow(sender As Object, e As CancelEventArgs) Handles WebBrowser1.NewWindow
        WebBrowser1.Navigate(WebBrowser1.StatusText)
        e.Cancel = True
    End Sub

Originally, I wanted to just wrap this in a HTA or something simple… but I got errors indicated that I couldn’t pull this in an iFrame. So I tried some Ajax/jQuery stuff in HTA and that was a complete fail (I’m not familiar with ajax/jquery things).

2 thoughts on “Office.com Online using WinForms”

    • I may move that direction actually (WPF) because what I’m seeing is that the API is decent to use and I finally figured out how to access the user’s online SkyDrive (CID).

      Reply

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