wpf

Sending a key on window changed event

I have a Window state changed event in WPF. I want to send an ESCAPE key when the event fires. Can any1 help me out how to do that? ...

WPF DataGrid Parent Child Data

Hi All. I'm new to WPF/C#/NET but I have been learning by way of coding some small exercises. Anyway, I'm stuck. I have seached on here and google and can't find the answer or maybe more correctly can't find an answer I can make sense of. My problem is this... using the Entity Framework I have two tables. One for Employee details and ...

Alternative to "DropDownWidth" Property for Combo Box in wpf.

Hi Experts, I am unable to locate a property similar to WindowsForm "DropDownWidth" Property for the Combo Box in WPF. Is there a work around to achieve this functionality? Please help! Thanks in advance. Regards, Samar ...

getting checked checkboxes values mvvm light wpf

Hi, I have one usercontrol where am showing the main categories as buttons from the database. By clicking on Main Category button, a new user control is getting opened with list of items in that respective category clicked. I am binding the Item Names of that category in a xaml using TexbBlock and also am showing the checkboxes with eac...

Treeview hide [+] [-] buttons

Does anyone know how to hide the [-] button for a treeview? The treeview will never be collapsed, and therefore I dont need the root node to have the collapse option. I know I could use a listview with a stye that indents the [0] element to act like a treeview root node. However the binding I'm using etc. kind of asks for a treeview, and...

WPF Radiobutton (two) (binding to boolean value)

Hi ! I have a property of type boolean presented with checkbox. I want to change that to two radiobuttons that bind on the same property presenting the value true/false. How can i do that ? thanx ...

Why Splash window takes time to come up in WPF ?

I have reffered one sample posted in codeproject sample I tried this sample but splash screen taked 6 to 7 seconds to come up. I have core 2 duo Processor 2.80GHz with 2 GB ram. I also refferred to msdn article but it cannot help. I have to show the splash screen immediately as user click my executable to launch. My application tak...

How to add arrow to each WPF listview column to indicate sort direction

Hi, I have a gridview ...with multiple columns. If I click on one column, it sorts the gridview based on that column values. I like to add an arrow in that "clicked" column header(when user clicks) to show that "this particular column is clicked and this is the sort direction" How can I do this? I saw a sample link http://stackoverflo...

RenderTargetBitmap to BitmapImage in WPF.

Hi there, I need to perform the convertion RenderTargetBitmap -> BitmapImage. What is the way to do that? Thank you in advance! Cheers ...

Do WPF projects takes more time to load than WindowsForms?

Hi, Do WPF projects takes more time to load than WindowsForms? ...

WPF Display TextBlock with validation error message below control

Is there a way to display the error contents in a TextBlock below the control similar to how the following sets the Tooltip to contain the error text? <Style x:Key="textBoxInError" TargetType="Control"> <Setter Property="Validation.ErrorTemplate"> <Setter.Value> <ControlTemplate> ...

WPF: Button template w/ cornerRadius and Bevel looks wrong

I changed the ControrTemplate of a button, gave it a border with CornerRadius and BevelBitmpaEffect. Looks decent enough for the minimal effort. Put it on a colored background and then the problem becomes apperent. The corner where the lightangle is coming from there is a white snip with a right angle corner. Possibly coming from the li...

How Can I remove all adorners of a listview?

How Can I remove all adorners of a listview? I mean all adorners related to all columns ...

How do I bind a generic window to an arbitrary view model at runtime, using DataTemplates?

I have a large number of ViewModel classes. For each of these classes, there is a corresponding .xaml file which is a 'UserControl'. In my App.xaml, I have them registered as DataTemplates, like so: <DataTemplate DataType="{x:Type viewModel:MainMenuViewModel}"> <view:MainMenuView/> </DataTemplate> With the idea being that WPF w...

Testing a .Net C# WPF MVVM application from an external application

Hi I have a largish application that uses MVVM. The Model is mostly in a C++ DLL. The ViewModel is in C#, and I've tied my WPF controls to the ViewModel in the usual way. The app is ready for integration testing. I can drive tests from within the application, but I'd like to move testing out into another process so I can minimize pollu...

WPF WebBrowser not including the hash in the source url ?

I'm currently trying to make a log in for facebook users into my WPF application. It's using .net 4 and it's being developed in VS2010. After following the steps stated in the facebook developers page I cannot get it working. The success url should be followed by a hash (#) and the access_token after the login, but webbrowser.Source.toSt...

Is there a document highlighting WPF and Silverlight controls available in the framework?

I'm looking for something like a pdf or anything else that would show a chart of available controls in SL and/or WPF. Ideally, the chart should have a drawing of the control, some succinct description and the hierarchy if possible. Has anyone seen such a thing? Freeware or Payware, can even be from a book I could buy. ...

Windows Themes ButtonChrome Border

Hi I have created my own button based on icrosoft_Windows_Themes2:ButtonChrome. I want to get rid of the default border and i've tried setting it to null or transparent but still i get a white border. Here's my markup: <Microsoft_Windows_Themes2:ButtonChrome x:Name="ibAero" Visibility="Collapsed" SnapsToDevicePixels="true" Height="{T...

WPF Validation: How to keep custom ErrorTemplate border correct size.

I have the following custom Validation.ErrorTemplate: <Setter Property="Validation.ErrorTemplate"> <Setter.Value> <ControlTemplate> <DockPanel LastChildFill="True"> <Label DockPanel.Dock="Bottom" Foreground="Red" Content="{Binding ErrorContent}" Margin="...

Controlling multiple Button's Properties within ViewModel

I have 18 Buttons within a Uniform grid on my main WPF window. I need to modify many of the Button's Properties and Command both when the program loads and during operation. In other words, when the program first starts, a configuration is selected that affects the layout. Later that could change further depending on how the program o...