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• WPF passing the Int argument to a data object provider method

  - by SAD

  Hi, I'm trying to produce a master/detail datagrid view. I'm using object data providers. Now I have seen many examples when the argument of a method for returning the records for the detail view is a string, like in this example: <!-- the orders datasource --> <ObjectDataProvider x:Key="OrdersDataProvider" …

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• WPF - List items not visible in Blend when 'DisplayMemberPath' is used

  - by Andy T

  Hi, We're currently working out how to implement MVVM and I've got to the point where I've got the MVVM Light Toolkit set up in blend and can specify dummy data to be supplied if running in Blend. All good. I've created a dummy list of data. The list contains 6 instances of a very simple class called DummyItem which has Age and Name…

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• WPF C# Hide TabControl Items on Application Startup

  - by mr justinator

  I've created a start page that loads when the application is run but it is also showing my tabcontrol (two tabitems for editing & diagraming). How do I hide my tabcontrol items on startup and only show it when a user selects file - new? Many thanks! Xaml: <TabControl Height="Auto" Name="tabControl1" Width="Auto"> …

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• wpf style converter : "Convert" called by every datagrid column using it

  - by Sonic Soul

  I created a converter, and assigned it to a style. than i assigned that style, to the columns i want affected. as rows are added, and while stepping through debugger, i noticed that the converter convert method gets called 1 time per column (each time it is used). is there a way to optimize it better, so that it gets called only…

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• Continue WPF gridview alteration

  - by Erik

  Is it possible to continue the alteration styles in a gridview even when there are no items? As you can see, after the last item, the pattern stops.

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• WPF: Text wrapping not working

  - by Ben

  I've got a grid defined simply: <Grid Margin="0,5,0,0"> <Grid.ColumnDefinitions> <ColumnDefinition Width="50"></ColumnDefinition> <ColumnDefinition Width="50"></ColumnDefinition> <ColumnDefinition Width="48"></ColumnDefinition> <ColumnDefinition…

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• Scrolling list items in wpf

  - by sudarsanyes

  I guess the following picture depicts the problem better than texts... That is what I need. <ListBox x:Name="NamesListBox" ItemsSource="{Binding}"> <ListBox.ItemsPanel> <ItemsPanelTemplate> <WrapPanel x:Name="ItemWrapPanel"> …

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• Multi-Threading Question Concerning WPF

  - by Andrew

  Hello, I'm a newbie to threading, and I don't really know how to code a particular task. I would like to handle a mouse click event on a window that will kick off a while loop in a seperate thread. This thread, which is distinct from the UI thread, should call a function in the while loop…

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• Settings aren't saving in WPF?

  - by JOSH

  I'm using the registry Settings.settings thingymabob I'm doing the following in my XAML: <TextBox x:Name="textBoxUsername" Text="{Binding Source={x:Static prop:Settings.Default}, Path=Username, Mode=TwoWay}"></TextBox> This is loading the…

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• WPF ContextMenu bind some property to another property of the same control

  - by bebicasoft

  I have a ContextMenu and a ColumnHeaderStyle defined in Window.Resource section witch i use-it to a DataGrid ColumnHeader. My code is something like this: <ContextMenu x:Key="cm_columnHeaderMenu"/> <Style x:Key="DefaultColumnHeaderStyle" TargetType="{x:Type…

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• WPF how to fill combobox in data grid

  - by Rizwan Ullah

  public class DA_ActivityType { public int Id { get; set; } public string Name { get; set; } } public static List GetActivitytypes() { DataContext dbo = new DataContext(); IEnumerable activityTypes = from actType in…

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• WPF List - ListItem Visibility

  - by niao

  Greetings, I have a FlowDocument where List control is placed. Inside this list I have some ListItem. Is there any way to set some kind of Visibility for specific ListItem? I don't see a coressponding Property like Visibility for ListItem. When I set fontsize="0.1"…

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• WPF Binding Between Controls

  - by David Ward

  I have a control on a page that contains a listbox. I also have another control which is a detail view. Both of the controls have their own ViewModel which their child controls bind to. Image Outlook. It has a list of folders and when you select a folder the…

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• How to draw scrollbars on WPF Canvas

  - by Pawan

  Hi, I am trying to create a canvas with scroll bars. Can anyone help me give some ideas on how to do this? I have already tried using grid of 1 row and 1 column but due to certain constraints I want to use canvas. Thanks in advance!

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• WPF MVVM Property Change Animation

  - by cjibo

  I am looking for a clean way to start an animation that will have dynamic values. Basically I want to do an animation where an element changes width based on the data of another element. Say I have a TextBlock that's Text Property is Binding. When this…

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• WPF - Centering a checkbox in a GridViewColumn?

  - by Sonny Boy

  Hey all, I'm currently struggling on getting my checkboxes to property center within my GridViewColumns. I've defined a style for my checkboxes like so: <Style TargetType="{x:Type CheckBox}" x:Key="DataGridCheckBox"> <Setter…

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• WPF UserControl Embedded Animation

  - by Matt B

  Hi all, I have a UserControl called Beetle.xaml which has animation makeing the legs move. So far so good. I added this to my Background.xaml page by decaring the xmlns and xaml as: …

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• WPF - data binding trigger before content changed

  - by 0xDEAD BEEF

  How do i create trigger, which fires BEFORE binding changes value? How to do this for datatemplate? <ContentControl Content="{Binding Path=ActiveView}" Margin="0,95,0,0"> …

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• Wpf Listbox and CheckBox

  - by Tan

  Hi iam using a listbox to show a list of items. in the listbox i ahve an togglebutton on every item. When i click on the toggle button the state of the togglebutton is pressed. But…

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• WPF buttons same/recommended width

  - by rwallace

  Suppose you have a window with multiple buttons such as Ok/Cancel or Yes/No/Cancel. All the buttons need to be the same width. Obviously this could be done by just guessing a…

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• WPF Binding when setting DataTemplate Programically

  - by Daniel

  Hello, I have my little designer tool (my program). On the left side I have TreeView and on the right site I have Accordion. When I select a node I want to dynamically…

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• Databinding an enum to a ComboBox in WPF, filtering some of enums

  - by Paulo

  Hello everyone. I need to bind an enum to a combobox that is inside a DataGridTemplateColumn, but only some of the options that the enum has. Example: Enum options:…

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• WPF & MVVM: Any examples using VB.Net?

  - by LantisGaius

  Almost every example of MVVM I found is coded in C#, are there any examples/tutorials coded in VB.Net? I'm having a hard time translating C# to VB.Net since I…

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• Issue with child of custom Decorator class in WPF (c#)

  - by galacticgrug

  I need a custom border that renders a little differently than a normal border. I made a class that inherited from Decorator as follows class BetterBorder :…

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• 3D Animation Rotating and Translating simultaneously in WPF

  - by sklitzz

  Hi, I have ModelVisual3D of a cube. I want to translate and rotate it at the same time. I wish the center of rotation to be in the middle of the cube(the…

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