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• Silverlight changes the io.Stream to byte[]

  - by Sai

  I have created a WCF service for uploading images , which accepts System.IO.Stream as input parameter and am using streaming. When I added the service reference in Silverlight project then it automatically changed the parameter of my WCF method from System.IO.Stream to byte[]. Can anyone suggest if there is a way around this so that I can get System.IO.Stream type rather than byte[]. Thanks in advance

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• Silverlight 4 web cam permission on load of User Control

  - by Mike

  I am using Silverlight 4 to access the web cam. Everything works ok when I start the web cam on a button click event, I get the prompt for permission. I would like the web cam to start when User Control loads, but for some reason when I run the same code on the Loaded event, I don't get a prompt when executing the following code:' CaptureDeviceConfiguration.RequestDeviceAccess() Does anyone have a work around for this?

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• Relative silverlight control positioning

  - by george9170

  I Have a canvas and would like to place silverlight elements within that canvas relative to each. For example, I have an element (A) at canvas.top="0" canvas.left="5". I would like to place all elements proceeding that one relative to its position. So if i move A to canvas.top="10" canvas.left="15" all other elements would reposition themselves. IF this is feasibly with a canvas let me know, else can you recommend what control i should be using. Thank you very much

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• Comparsion between Pixel Bender(in Flash) and Pixel Shaders(in Silverlight)

  - by Andy Li

  Can someone explain the different between Pixel Bender in Flash and Pixel Shader(HLSL) in Silverlight in terms of programming flexibility and run-time performance?

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• Silverlight Gradient Border Effect

  - by ondesertverge

  This was done in Photoshop: The white box I would create using a Silverlight Border. How would I then create the dropshadow kind of effect. As you can see it is a bit different from the standard dropshadow. Would Shazzam help achieve this?

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• silverlight accordion control

  - by Piyush

  hoe can i enable scroll bars in accordion control of silverlight? I am using accordin control as menu if I am having so many accordion items i want to display with vertical scrolls bars.

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• like exec command in silverlight

  - by Meysam Javadi

  i have some element in my container and want to save all properties of this elements. i list this element by VisualTreeHelper and save its attributes in DB, question is that how to retrieve this properties and affect them? i think that The Silverlight have some statement that behave like Exec in Sql-Server. i save properties in one line that delimited by semicolon.(if you have any suggestion ,appreciate)

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• Customising Silverlight AutoCompleteBox with multiple filtered ListBoxes

  - by ianbeks

  Hi, How should I go about customising the AutoCompleteBox in Silverlight so that while typing I can filter multiple Selector ListBoxes. Basically I want a Popup that contains 'n' ListBoxes vertically stacked and when I type, the filtering operates on all of them simultaneously. I can then select an item from any of the ListBoxes. Thanks in advance for any guidance you may have. Beks

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• javascript in silverlight xaml file

  - by Piyush

  when I am trying to write javascript in xaml page itself it is showing some error. .... can we write javascript function for form validation in silverlight .xaml file ?

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• Silverlight 3/4 Navigation Application - Access child page controls from Parent page

  - by iulianchira

  How can I access child page controls from the parent page in a Silverlight 3/4 Navigation Application? I wish to hide an image from the child page when I click a button in the parent page.

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• Silverlight: Determine whether DataContext is inherited or not

  - by Geoff Hudik

  At runtime in a generic fashion (i.e. iterating UIElements) can I determine if a given FrameWorkElement has a non-inherited DataContext property set? I want a list of elements where DataContext was explicitly set, not inherited from higher up in the chain. I thought perhaps GetBindingExpression() would help but so far it has not. Using Silverlight beta 3.

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• Silverlight DataGrid vertical scrollbar issue

  - by philbrowndotcom

  I have a DataGrid in my silverlight application and I'm wondering how to get the same behavior for the vertical scrolling as the horizontal scrolling. When I resize the browser horizontally, The app will bunch up all the controls and the horizontal scrollbar will appear, however when I resize it vertially, the controls at the bottom of the app just move out of view. Does anyone know any tricks to handle something like this?

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• Silverlight Marching Ants Image Selection

  - by Ben Herila

  (Silverlight 3) Is there a pre-existing (preferably free, even better if open source) method (either a control or source code) for dragging a "marching ants" style selection on an image in a ScrollViewer or on a Canvas, similar to how it's done in image editing software? Even better if the resulting selection box has adjustment handles.

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• SilverLight DataGrid: Export to excel or csv

  - by DLL

  Hi everyone, Is there a way I can export my Silverlight DataGrid data to excel or csv? I searched the web but can't find any examples! Thanks a lot

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• Silverlight file download for COM Interop

  - by rip

  Is the following possible in Silverlight when a button is clicked? An Excel template is downloaded from a remote server and saved to the local machine An instance of the template is then opened on the client A macro is then executed within the new Excel document I can do everything apart from saving the template to the local machine. I can save this in isolated storage but then I don’t know where this is when trying to open it from the Excel COM interop code. Has anyone any ideas or is this not possible?

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• Using a WCF Service Library from Silverlight

  - by Ian Oakes

  I've added a WCF Service Library to a Silverlight project. But when I try calling a method on the service I get a CommunicationException complaining about accessing a service in a cross-domain way. I've tried adding both a crossdomain.xml and clientaccesspolicyfile.xml to the service library project, but it doesn't help. Any idea what I'm doing wrong?

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• Typed DataSet In silverlight 3

  - by Asim Sajjad

  I want to know why there is no support of TypedDateSet in SilverLight 3? what was reason behind that for not providing the TypeDataSet support ? Thanks in advance

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• Uninstall out-of-browser silverlight application programmatically

  - by Shurup

  How to uninstall out-of-browser silverlight 4 application programmatically instead of using the contextmenu (e.g. if I want to replace the context menu)?

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• Access Controls in Silverlight DataGrid Column Header from Code

  - by fuzzyman

  We have custom headers in the Silverlight DataGrid using the ContentTemplate. We've got a button in the header and need to programmatically access the button to hook up the event. We're using IronPython, so we can't statically bind the event in the xaml (plus we use the grid for many different views - so we dynamically generate the xaml). How can we get access to controls inside a datagrid column header?

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• Silverlight 4 and SAMI Subtitles

  - by dmce

  Hi Folks I noticed a brief bit of info on the web that Silverlight 4 supports subtitles in .smi (SAMI) format. Is this true and does anyone have some more information? David

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• Silverlight MVVM ListBoxItem IsSelected

  - by Lee

  I have a collection of ViewModels bound to a ListBox. I am trying to bind the IsSelected properties of each together. In WPF it works by setting the style: <Style TargetType="{x:Type ListBoxItem}"> <Setter Property="IsSelected" Value="{Binding Path=IsSelected, Mode=TwoWay}" /> </Style> This does not work in Silverlight. How can I accomplish this?

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• Silverlight open source font replacement for Segoe

  - by Rus

  I'm currently building a LOB application in Silverlight 4. I've been considering the question of typography for the application. After some experimentation on the design side the font that people like is Segoe UI. Now I can embed this font and although the font is freely available in Windows we don’t have distribution rights for this font. I am looking for an open source font visually equivalent of the Segoe family that can be freely distributed. Does such a font exist?

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• Silverlight WCF connection blocking

  - by Rafal

  Hi I have a problem calling WCF Service Method by Silverlight App. I keep getting Error in Fidler: [Fiddler] Connection to localhost failed. Exception Text: Can not connect because the target machine actively refused it: 1:50045 I use Win 7, port 50045 is unlocked. My App.config and ServiceReferences.ClientConfig are OK... Please HELP:)

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• Animations and MVVM in Silverlight

  - by user275561

  OK I have looked and searched all i want to do is fire a storyboard animation from my view model onto my view. The problem is there is just simply too much boilerplate code to get a simple thing like myStoryboard.Begin(); firing. So what are the methods that you use? Currently, I am using Silverlight 3, MVVM Light.

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• Silverlight + WCF + client credentials

  - by Bram

  I have a WCF Web Service with a custom username/password validator. How does one specify the username and password as the ClientCredentials properties when creating a service in Silverlight are read-only? Thanks for any help.

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