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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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  • 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 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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  • 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 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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  • 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 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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  • 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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  • Silverlight with MVVM Inheritance: ModelView and View matching the Model

    - by moonground.de
    Hello Stackoverflowers! :) Today I have a special question on Silverlight (4 RC) MVVM and inheritance concepts and looking for a best practice solution... I think that i understand the basic idea and concepts behind MVVM. My Model doesn't know anything about the ViewModel as the ViewModel itself doesn't know about the View. The ViewModel knows the Model and the Views know the ViewModels. Imagine the following basic (example) scenario (I'm trying to keep anything short and simple): My Model contains a ProductBase class with a few basic properties, a SimpleProduct : ProductBase adding a few more Properties and ExtendedProduct : ProductBase adding another properties. According to this Model I have several ViewModels, most essential SimpleProductViewModel : ViewModelBase and ExtendedProductViewModel : ViewModelBase. Last but not least, according Views SimpleProductView and ExtendedProductView. In future, I might add many product types (and matching Views + VMs). 1. How do i know which ViewModel to create when receiving a Model collection? After calling my data provider method, it will finally end up having a List<ProductBase>. It containts, for example, one SimpleProduct and two ExtendedProducts. How can I transform the results to an ObservableCollection<ViewModelBase> having the proper ViewModel types (one SimpleProductViewModel and two ExtendedProductViewModels) in it? I might check for Model type and construct the ViewModel accordingly, i.e. foreach(ProductBase currentProductBase in resultList) if (currentProductBase is SimpleProduct) viewModels.Add( new SimpleProductViewModel((SimpleProduct)currentProductBase)); else if (currentProductBase is ExtendedProduct) viewModels.Add( new ExtendedProductViewModels((ExtendedProduct)currentProductBase)); ... } ...but I consider this very bad practice as this code doesn't follow the object oriented design. The other way round, providing abstract Factory methods would reduce the code to: foreach(ProductBase currentProductBase in resultList) viewModels.Add(currentProductBase.CreateViewModel()) and would be perfectly extensible but since the Model doesn't know the ViewModels, that's not possible. I might bring interfaces into game here, but I haven't seen such approach proven yet. 2. How do i know which View to display when selecting a ViewModel? This is pretty the same problem, but on a higher level. Ended up finally having the desired ObservableCollection<ViewModelBase> collection would require the main view to choose a matching View for the ViewModel. In WPF, there is a DataTemplate concept which can supply a View upon a defined DataType. Unfortunately, this doesn't work in Silverlight and the only replacement I've found was the ResourceSelector of the SLExtensions toolkit which is buggy and not satisfying. Beside that, all problems from Question 1 apply as well. Do you have some hints or even a solution for the problems I describe, which you hopefully can understand from my explanation? Thank you in advance! Thomas

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