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• SharePoint - Modify the actions within a SPD-built workflow template programmatically?

  - by zincorp

  Does anyone know whether it's possible to modify the workflow actions of a SharePoint Designer workflow template programmatically? For example, one has a SendEmail action and I'd like to modify the values of the To or the Bcc through code. Thanks in advance

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• How to duplicate the "background" applied to text in Aero window titlebars?

  - by JustABill

  All windows in Aero have this kind of whiteish background on their text. I'd like to create an equivalent of this effect for a GlassWindow I'm using that has a TextBlock in the label area, but I'm not really a designer so I have no idea how to approach this. How can I reproduce this background effect?

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• What is the relevance of *.resx file in Windows Forms/controls ?

  - by Amby

  I Understand about *.designer file grouped with a windows form/control file. But not sure what is the relevance and use of *.resx file attached. Can i not create a form/control with this file attached to it?

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• I have my first freelancing project nut I dont have n e designer wo designing templates, What to do?

  - by Parth

  I have my first freelancing project but I dont have n e designer wo designing templates, What to do? Hello all I am Newbie to PHP and I got my first project, but I dont have any designer with me how can I manage the project without designer? please help.....

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• Is ther a Designer for MFC in Visual Studio like for windows forms in .NET?

  - by claws

  Hello, I'm a .NET programmer. I've never developed anything in MFC. Currently I had to write a C++ application (console) for some image processing task. I finished writing it. But the point is I need to design GUI also for this. Well, there won't be anything complex. Just a window with few Buttons, RadioButtons, Check Boxes, PicturesBox & few sliders. thats it. I'm using VS 2008 and was expecting a .NET style form designer. Just to test, I created a MFC project (with all default configuration) and these files were created by default: ChildFrm.cpp MainFrm.cpp mfc.cpp mfcDoc.cpp mfcView.cpp stdafx.cpp Now, I'm unable to find a Designer. There is no View Designer. I've opened all the above *.cpp and in the code editor right clicked to see "Designer View". ToolBox is just empty because I'm in code editor mode. When I built the project. This is the window I get. How to open a designer?

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• What is a "could not find type System.Collections.Generic.List" in the .NET Designer?

  - by WindyCityEagle

  I've got a WinForms project that I've had for quite some time, and now suddenly, I can't open the designer anymore and when I try to open the designer I get an error that says could not find type 'System.Collections.Generic.List' All of the code builds just fine, but I can't use the designer anymore, and I don't know what happened, nor do I have any idea where to look to solve the problem. Has anyone ever run into this or have any insight?

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• Is there a Designer for MFC in Visual Studio like for windows forms in .NET?

  - by claws

  I'm a .NET programmer. I've never developed anything in MFC. Currently I had to write a C++ application (console) for some image processing task. I finished writing it. But the point is I need to design GUI also for this. Well, there won't be anything complex. Just a window with few Buttons, RadioButtons, Check Boxes, PicturesBox & few sliders. thats it. I'm using VS 2008 and was expecting a .NET style form designer. Just to test, I created a MFC project (with all default configuration) and these files were created by default: ChildFrm.cpp MainFrm.cpp mfc.cpp mfcDoc.cpp mfcView.cpp stdafx.cpp Now, I'm unable to find a Designer. There is no View Designer. I've opened all the above *.cpp and in the code editor right clicked to see "Designer View". ToolBox is just empty because I'm in code editor mode. When I built the project. This is the window I get. How to open a designer?

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• How do I stop the designer from filling in my properties with null values?

  - by Tim Gradwell

  When I add a control to a form, visual studio assigns various of the properties of that form a value of null in the auto-generated designer code. I don't want the designer to make the redundant assignment (the value is already null). Can anyone tell me how to prevent it? example MyControl has property public SomeClass MyProperty { get { return m_MyValue; } set { m_MyValue = value; } } designer then autogenerates the following: myControl1.MyProperty = null;

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• Open File Dialog MVVM

  - by Jose

  Ok I really would like to know how expert MVVM developers handle an openfile dialog in WPF. I don't really want to do this in my ViewModel(where 'Browse' is referenced via a DelegateCommand) void Browse(object param) { //Add code here OpenFileDialog d = new OpenFileDialog(); if (d.ShowDialog() == true) { //Do stuff } } Because I believe that goes against MVVM methodology. What do I do?

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• Disabling text selection in DocumentViewer

  - by bjutus

  Hello! Simple question. How do you disable the text selection of DocumentViewer in WPF? This is the feature where an XPS document is displayed by the viewer and then text can be highlighted via mouse. The highlighted text can also be copied but I have already disabled this. I just don't know how to disable the highlighting. Thanks!

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• System.Windows.Application.GetResourceStream returns null

  - by Tobias Walter

  If I debug a WPF-application with Catalog.xaml as Content, I can't get the resource stream of it - GetResourceStream returns null: var uri = new Uri("/Assembly;component/Catalog.xaml", UriKind.Relative); var foo = System.Windows.Application.GetResourceStream(uri); foo is null. What am I doing wrong?

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• CollectionViewSource.GetDefaultView is not in Silverlight 3! What's the work-around?

  - by rasx

  The CollectionViewSource.GetDefaultView() method is not in Silverlight 3. In WPF I have this extension method: public static void SetActiveViewModel<ViewModelType>(this ViewModelBase viewModel, ViewModelType collectionItem, ObservableCollection<ViewModelType> collection) where ViewModelType : ViewModelBase { Debug.Assert(collection.Contains(collectionItem)); ICollectionView collectionView = CollectionViewSource.GetDefaultView(collection); if(collectionView != null) collectionView.MoveCurrentTo(collectionItem); } How can this be written in Silverlight 3?

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• How do I invert BooleanToVisibilityConverter?

  - by Andy

  Hi, I'm using a BooleanToVisibilityConverter in WPF to bind the Visibility property of a control to a boolean. This works fine, but I'd like one of the controls to hide if the boolean is true, and show if it's false. Is this possible? Thanks, Andy

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• 'System.OutOfMemoryException' was thrown

  - by Asim Sajjad

  While Compiling the WPF Application for many times in a day it give following error 'Exception of type 'System.OutOfMemoryException' was thrown.' Can anyone know why this error occured and how to remove that error. But if visual studion is restarted then there is no such problem. thanks in advance

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• DataStateBehavior for Enum instead of bool? String?

  - by firoso

  Is there an easy way in WPF to bind VisualStates to enum values? Kinda like DataStateBehavior, but for an Enum?

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• can ServiceLocator.Current.GetInstance return null?

  - by mauricio076

  I have this piece of code (or similar) in many of our views: private IEventAggregator eventAggregator; Constructor() { eventAggregator = ServiceLocator.Current.GetInstance<IEventAggregator>(); ... } I read from this post that ServiceLocator.Current can throw NullReferenceException (bad thing on a constructor) but I was wondering if the GetInstance<() method can return null (or some other inconsistent object) making eventAggregator dangerous to use later in other methods. NOTE: I'm quite new to MVVM and WPF

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• Progress bar in data grid view

  - by Pat

  Is there a way to have a progress bar in a cell in a DataGridView? At design time, you can add a TextBox, Button, Image, Link, ComboBox, or CheckBox, but not a ProgessBar. Is there a better control in WPF that will allow this?

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• Manually parse string as XAML Attribute

  - by bitbonk

  How does the XAML Parser convert the string "Red" in Foreground="Red" to a SolidColorBrush? Allthough I know the Types have System.ComponentModel.TypeConverter defined, I doupt that the WPF XAML parser acutally always uses those to convert the string to the brush. Are there any XAML APIs apart from XamlReader.Load (wich wants a valid xml string) that I could use to parse a single string as if it where an attibute for a certain property?

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• What framework for MVVM should I use?

  - by Rangel

  I am developing an application with the MVVM model, but I have reached a point where I need to choose which framework to use. Among the possible options are: MVVM Toolkit MVVM Foundation WPF Application Framework (WAF) Light MVVM Caliburn Cinch Prism In your experience, which is better?

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• Differences between App.Config and Web.Config?

  - by Jack McG

  when building a desktop app in wpf can you read documentation of problems and safely subsititute 'app.config' when people's answer's refer to 'web.config'? if so are there any glaring GOTCHAS you have to look out for? tnx

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• FlowDocument Repeating table header

  - by Aldo

  Hi How can I know if am at the end of a page and insert a break? I'm trying to print a wpf document with repeated header. Regards

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• NavigationWindow Click Sound

  - by Robert

  I have a WPF application that uses the navigation window and frames to navigate between xaml pages. Every time it goes between the pages it makes a click sound. Is there a way to disable that?

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• advantages of WPFbrowser application over asp.net and viceversa for web development

  - by Meli

  I'm not familiar with WPF but I've seen things I like about it for web development. I wonder which advantages has developing a WPFbrowser application over asp.net (webforms/MVC) and viceversa. are there things you can do or use in asp.net you can't do in a WPFbroser application?

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• What are good places to find free XAML images?

  - by Josip Medved

  As I started using WPF at higher DPI resolutions, I got into troubles with scaling of toolbar images. XAML images solve that problem. However I find it very hard to find free toolbar/ribbon XAML images that you can use in your own projects. What I found is usually not free and one probably needs more than few collections to get all needed images. Where do you find your toolbar/ribbon .xaml images?

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• Access GridViewColumnHeader object from GridViewColumn

  - by Marco

  Hi, is it possible in wpf to access the header of a gridviewcolumn as gridviewcolumnheader? I have an object: GridViewColumn column; But the "Header" property just returns a string (header text) not the "real" header object. Can anyone help my?

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