wpf

WPF Converter to look up in generic list

I have a list of data where I keep e.g. countries with code, name and some other data. List<Country> countries = <deserialized objects from file> which consist of objects like this: public class Country { public string Code { get; set;} public string Name { get; set;} } The object which use as a DataContext m...

putting multibinding on a single line in xaml

Is there a way to take this multibinding: <TextBox.IsEnabled> <MultiBinding Converter="{StaticResource LogicConverter}"> <Binding ElementName="prog0_used" Path="IsEnabled" /> <Binding ElementName="prog0_used" Path="IsChecked" /> </MultiBinding> </TextBox.IsEnabled> and put is all on one line, as in <TextBox IsE...

WPF data validation is overriding theme on the interface

Hello! Good People I built a WPF application and manage to get the validation working thanks to posts on stackoverflow.The only probblem i'm having is that it's overriding the theme i'm using. example the theme makes the textboxes look like a round rectangle but after setting the binding it look like the default textboxes. here is my co...

Set ListBoxItem.IsSelected when child TextBox is Focused

Hi, I have a typical MVVM scenario: I have a ListBox that is binded to a List of StepsViewModels. I define a DataTemplate so that StepViewModels are rendered as StepViews. The StepView UserControl have a set of labels and TextBoxs. What I want to do is to select the ListBoxItem that is wrapping the StepView when a textBox is focused. I...

Applied style in WPF ignores properties.

Here's the conundrum. In two different places in my application, I use a border with the exact same appearance. In an never-ending fight against code bloat and unmanageable code, I want to define the border's appearance in a style to use when I create the border. Strangely, several of the properties I set are being ignored. Here's the c...

Modifying an individual TreeViewItem on a databound WPF TreeView without modifying the data source.

I've got a MVVM WPF app with the TreeView databound to a viewmodel class. It is essentially a file explorer. I want to add the ability to "Add a new folder" to the hierarchy. To achieve the desired functionality what I am trying to do is simply switch the Textblock out for an editable TextBox in my datatemplate. This is what my datat...

Continuous Memory leak while using WpfHWndSource

I have to load an WPF User Control in an MFC Dialog that is being invoked from the ocx control. For this I have created a MFC Regular Dll(Mixed Mode Regular dll with clr option enabled), I have created a Dialog in this which hosts wpf user control using HWndSource. This exported dialog is placed as a child Dialog of thr above MFC dialog ...

WPF Toolkit Charting and IndependentValueBinding, IndependentValuePath

So I'm having a problem with the charting engine from the WPF toolkit. We haven't moved our data to a proper object model, so the ItemSource is backed with a DataView. First attempt <chartingToolkit:ScatterSeries x:Name="TargetSeries" DataPointStyle="{StaticResource TargetStyle}" ItemsSource="{Binding Path=TargetSeriesData}" ...

WPF: ComboBox with selecteditem set make not use of SelectedIndex=0 ?

Hello, Why is the first element in my combobox popup menu not shown in the selected item area of my combobox , when I use the SelectedItem binding? Without that it is showing up ?? Using the same code selecteditem + selectedindex that is no problem! <ComboBox ItemsSource="{Binding SchoolclassSubjectViewModels}" Selec...

WPF ComboBox - SelectionChanged event has old value, not new

C#, .NET 4.0, VS2010. New to WPF. I have a ComboBox on my MainWindow. I hooked the SelectionChanged event of said combo box. However, if I examine the value of the combo box in the event handler, it has the old value. This sounds more like a "SelectionChanging" event, than a SelectionChanged event. How do I get the new value of t...

Uniform grid Rows and Columns

I'm trying to make a grid based on a UniformGrid to show the coordinates of each cell, and I want to show the values on the X and Y axes like so: _A_ _B_ _C_ _D_ 1 |___|___|___|___| 2 |___|___|___|___| 3 |___|___|___|___| 4 |___|___|___|___| Anyway, in order to do that I need to know the number of columns and rows in the Uniform gr...

How to hide files generated by custom tool in Visual Studio

I would like the files generated by my custom tool to be hidden, but I cannot find any documentation on how this is done. An example of what I'm looking for is WPF code behind files. These files are not displayed in the Visual Studio project view, yet are compiled with the project and are available in IntelliSense. WPF code behind fil...

Is it possible to create a Mono bundle that includes WPF libraries?

I know WPF libraries aren´t implemented by mono class library, however(as far as I know) the mono 2.6 runtime is fully compatible with the .NET 2.0/3.5 runtime, so if the WPF libraries only make PInvoke calls to windows api it is theoretically possible to run a wpf application on windows using the mono runtime. The reason for wanting ...

What inspired WPF?

I was told by someone that, just as .NET started inspired from Java, WPF was inspired by a similar technology, as "Microsoft never innovates". However, I can't find anything remotely close to WPF. What particular technology did or could have inspired Microsoft to write WPF? ...

keep focus in a WPF combo box in an addin

I have a combobox in a Word addin. The contents of the combobox are often long enough to drape over Word's Zoom slider-bar control. However, selecting an item directly over the zoom control (which is hidden from view) causes the zoom control to get focus, close the combobox, and change your zoom setting! The selection in the combobox is ...

wpf treeview does not show child objects

I have an object with child object(s) and I load it using linq. And I assign it to a treeView's itemssource. treeView.DisplayMemberPath = "Name"; treeView.ItemsSource = tasks; It shows only the parent nodes (task.name), I couldn't figure out how to add children (TaskItems.name). All the examples show HierarchicalData in xaml. I need t...

Custom WPF TreeView

I have a custom class that I would like to bind a WPF TreeView that has three tiers. Each tier needs to be bound like this: Monitor --> LCD --> Samsung 1445 LCD --> CRT --> Sony 125 CRT Here is the example code: public partial class MainWindow : Window { public MainWindow() { Initia...

WPF Combobox binding: can't change selection.

After wasting hours on this, following on the heels of my Last Problem, I'm starting to feel that Framework 4 is a master of subtle evil, or my PC is haunted. I have three comboboxes and a textbox on a WPF form, and I have an out-of-the-box Subsonic 3 ActiveRecord DAL. When I load this "edit record" form, the comboboxes fill correctly,...

What are the Open Source alternatives to WPF/XAML?

If we've learned anything from HTML/CSS it's that, declarative languages (like XML) do a good job of describing User Interfaces because: It's easy to build code preprocessors that can template the code effectively. The code is in a well defined well structured (ideally) format so it's easy to parse. The technology to effectively parse ...

Element host loading time issue with winforms

I have an element host with 3 WPF controls. I am placing the element host on a winform. When my application is coming up, the element host is taking few seconds and the winform is getting displayed as a blank screen. How to fix this? Any ideas are appreciated. Basically, I don't want to display the blank screen as it looks ugly when th...