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• How to sort filenames correctly like Finder in objective-c

  - by Amit

  I am binding NStableView with NSMutableArray contiaining filenames and other file details. Simple biniding and sorting with compare: is not properly sorting file names like finder. Please let me know if i need to define custom selector for sorting filenames and how?

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• Mouse left button up event and openfiledialog

  - by phm

  I have few images in a grid, then when i click a button, a "open file dialog" comes up.(of course, over the images) Microsoft.Win32.OpenFileDialog dlgOpenFiles = new Microsoft.Win32.OpenFileDialog(); dlgOpenFile.DoModal(); The images have a LeftButtonUp event attached. The problem is that if i select a file by double clicking it, the open file dialog closes(which is good), but besides that, the image behind the clicked file is receiving a LeftButtonUp message which is not good at all. I am using wpf/c#/vs2010

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• Resources.resx in c# projects

  - by Alexander Braeumer

  I have a problem using a Resources.resx - Resources.de.resx - combination in a C#/WPF project. The whole solutions contains several projects and some projects contains resource files. When starting the main project I can switch the language successfully from english to german. But the GUI elements from the sub projects still show the english text. Thank you very much for every idea to solve the problem. Regards, Alex

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• Date Picker Selection Change

  - by user421678

  Hello Friends, I am new in WPF,now i have a date picker in one of my form,in page load a text "Select a Date" will be showing in that date picker field,if i select a date in that date picker field that date will be shown in that date picker field,after this when i am clicking the cancel button i want to clear all the controls,for that i have written a function also,but in that date picker i want that text "Select a Date" back.What can i do for that?

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• How to style a label with a colon

  - by Allan

  I have a details view window in WPF and a label may look like this. <Label Content="{x:Static properties:Resources.Reference}" /> So that is obtains it content from my property Resource. How can transform/format the content so it has a colon after each label item. e.g. instead of the content simply displaying Reference I want it to transform to Reference:

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• Adorning a non-DependencyObject with a DependencyProperty

  - by Rob

  I'm trying to bind to a WinForms control's DataSource property in my WPF application but I'm not having much luck... Falafel.com gives it a shot, but although it claimes that a DependencyObject is not required to perform the binding, that seems to be the only way of doing it. Has anyone done this before?

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• Display small form while main form is "locked"

  - by daemonsvk

  Hi there, i'm thinking about writing a WPF program that would require login and password at the app startup. I thought about small form with two textboxes as a login form. User will have to fill in his details and then the main form of the application will be unlocked. How will you solve this? Thanks for your answers, daemonsvk

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• Is INotifyPropertyChanged only for the presentation layer?

  - by D.H.

  The INotifyPropertyChanged is obviously very useful in the view model for data binding to the view. Should I also use this interface in other parts of my application (e.g. in the business layer) when I want notifications of property changes, or I am better off using other notification mechanisms? I realize that there is nothing stopping me from using it, but are there any reasons that I shouldn't?

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• Determine number of screens and screen relative location without WinForms

  - by Philipp Schmid

  I want to save and restore the window position of my WPF application. I want to make the code robust to use with multiple monitors who's number and relative location can change (I want to avoid opening my application off-screen when the monitor configuration has changed inbetween invocations). I know of the Screen class in System.Windows.Forms, but I don't want to take a dependency on that assembly just for this feature.

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• FileSystemWatcher and System Out of Memory Exception

  - by Saurabh

  A little context There is a wpf based application which i left opened for 2-3 days without performing any activity throws out of memory exception , this is very Weird situation and does not happen all of the time. During this ideal activity , my application does nt perform any activity but just a file system watcher contineously watching a shared location , so i thought that would be a problem but i am not sure. Any suggestion is always welcomed.

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• Microsoft Blend 3 - Add Silverlight SDK Themes

  - by photo_tom

  I'm working on my first WPF project and would like to use one of the themes that I see in the Silverlight Tool Kit. All the help I've found is for Expression 2 and they show a different version of the Asset Tab. Can someone advise me how to do this. It looks like it should be simple, but I'm not seeing it.

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• Can MVVM Usercontrols have property defined in codebehind ?

  - by Anish

  Hi, I have a WPF user control ...which is in MVVM. The user control(which contains a listview) need data from the page (where it is included). I have to set a property to get this data input. Will this comply with MVVM...if not, what is the way for the same?

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• C# Speaker Output Device *Advanced* Settings

  - by Kyle

  Hello all. I have a C# (WPF) application which checks for all output devices (Speakers) and I need to check the Bit Depth and Sample Rate of the output device. Has anyone worked with this or know of a way to do so? I have been searching around, but found nothing similar... Any help is much appreciated. Thanks

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• Attached properties to avoid custom controls

  - by Maurizio Reginelli

  I've heard about the possibility to use attached properties to avoid writing a custom control in WPF. Could you explain me how or address me to a tutorial? Thank you

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• Absolute UriSource of a Resource image

  - by Louis Rhys

  I have a WPF project. If I store image in {ProjectRoot}\Images\image.png, and compile it as Resource then I can access it from a xaml (this xaml is located at Root) as BitmapImage by BitmapImage UriSource="Images/image.png". But if I move the xaml to another folder, say {ProjectRoot}\Xamls, now I have to use BitmapImage UriSource="../Images/image.png". Is there a way to specify an absolute project path, so that I can refer to them with the same path regardless of the location of the xaml?

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• Attached property and style missing on re adding the user control

  - by RodD

  Hey people I've got an issue with a WPF project I'm working on, I have an items control which I add to and remove from certain user controls, these contols styles and attached properties are there on first view but when I remove and add them again the user control apears on screen but is detached from the items control attached properties and styles. Is this behaviour common and if so what is the best way to handle it? Thanks in advance

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• What is the alternative to MilRelease api from MilCore.dll?

  - by Anand

  Hi I am trying to port my application from windows Vista to Windows 7. In my WPF application I am showing a splash screen, for which I have used WIC components. I am creating some resources using IWICImagingFactory_CreateDecoderFromStream_Proxy IWICImagingFactory_CreateFormatConverter_Proxy CreateBitmapFlipRotator And then to release these resource I am calling MILRelease(void *Unknown) In Windows 7 MilCore.dll has been removed from Windows 7 and the MILRelease is part of milcore.dll. What is is the alternate api which I can use?

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• ShowDialog on MEF Component Only Works Once

  - by BSalita

  I created a WPF Window and made it a MEF Export. I can do a ShowDialog once on the MEF Import but the second time it aborts because the MEF component was closed by the first ShowDialog. What can be done to allow repeats of ShowDialog?

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• how to delete the SMSs from this service CDYNE SMS Notify! Web Service

  - by Ravikumar

  Iam getting all the messages from CDYNE SMS Notify! Web Service and storing into the local database table and then showing into the itemcontrol from wpf control. selects one of the message and then click delete. i am able to delete from the local database but its not getting deleted from the service level. how to delete the messages from the service level as well on click of delete button. please help me or suggest me..

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• How to Update TreeViewItem's IsExpanded property to false in code behind?

  - by viky

  I am working with WPF TreeView control. I am creating a hierarchical data structure and assigning it to ItemsSource and it will generate TreeviewItems automatically. By default I use IsExpanded of TreeViewItem to true. But in a particular case, I want to set IsExpanded property to false. So that treeview loading doesn't take time to generate all items. How can I set that in code since I don't have reference to TreeViewItem's instance at that time?

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• Need to tab out of ActiveX control in browser

  - by John Donoghue

  When tabbing through controls in an ActiveX control hosted in IE, once I get to the last control the tab key no longer does anything. I would like it to move the focus outside the ActiveX control to the next html control. This works fine when the ActiveX control is hosted in a WinForms app, does anybody know how to make this work in the browser? It may also be relevant that the ActiveX control is a simple wrapper around a WPF control.

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• WPF- building a model based testing application

  - by user271077

  I want to build a model engine for a model base testing application. I assume there are some refernces that can be helpfull. I would like to use the cool features of WPF. Is there anything like this that exists? or any other helpful recommendation?

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• Visual Studio 2008 Xaml Editor not working / disappeared

  - by jacob4u2

  When I start up VS 2008 to work on a WPF / Silverlight App and open a XAML or XML file the XAML / XML editor is no longer working. The designer does not show up and intellisense is unavailable. It basically looks like a text file has been opened.

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• Windows Mobile 6.5 modern GUI development

  - by dominolog

  Hello How to approach a modern GUI development in Windows Mobile 6.5. I can see in .NET CF 2.0/3.5 only legacy common controls, no alpha blended controls, no fading etc. Comparing to Android or Symbian, Windows Mobile 6.5 look-a-like of applications is very elderly. Is there support for WPF in Windows Mobile 6.5? Thanks and Regards Dominik

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• How to put exe file in windows Startup

  - by Polaris

  I have WPF Application. I want to give ability for user by checkbox to put App (exe file) to the windows Startup. How Can I do this programmaticaly in C#?

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