wpf

Is there a way to find out which elements a certain element overlaps?

I have a custom canvas that allows elements to be dragged. However I do not want to allow elements to overlap. ...

Textblock doesnt get updated when rendered in memory?

I have a text block which as part of a custom control.I added the custom control as a child of grid which in turn is added as child of a Canvas.All of these contorl are instantiated in memory and are not rendered on the UI.When I update the value of the TextBlock and emboss the canvas on an image, the updated value doesnt appear on the e...

XamDataGrid Binding problem

I want to bind a cell of a XamDataGrid using ComboBox control through a collection's(CurrentEntity.INVTransactions) property(BatchList) but it does not work. I'm using mvvm pattern.In my code "BatchId" and "BatchList" are the properties of CurrentEntity.INVTransactions collection. would you please tell me why the comboBox of the xamData...

application authentication design ideas

Hello I am working with on an app that uses wpf / silverlight on the front end and nhibernate on the back end, and looking for some design ideas to address authentication; I was looking at Rhino Security which I think is pretty slick and certainly useful, but doesn't in and of itself seem to address authentication. That said, I am loo...

want to create a listbox with a textblock and a button itemtemplate

I want to create a listbox like the one shown in the image, i just dont know how will i get the button(the red close button) click event for each item in the listbox Can anyone point me to a good tutorial on this Thanks ...

WPF DataGrid button style

If I have a DataGrid in a XAML form, and add the following style: <Style TargetType="Button"> <Setter Property="Margin" Value="2"/> </Style> The data grid locks up the application. I found if I put the style into a resource block that isn't seen by any data grid, then it seems to be happy. However, if I want to have the styl...

Simplest way to create busy animation in WPF

I mentioned that there is no standard busy control in WPF. So what's the easiest way to display animated busy circle (not progress bar) such as your browser displays when loading a page ? Please if you suggest downloading control from internet make sure that this control is for free and with no licence restriction (such as I would be fo...

Zoom to specified mesh

Say we have 3 mesh in the viewport3d and one camera. If I select mesh 1 I want the camera to zoom to the specified mesh? ...

Microsoft Chart Controls in WPF4

Have Microsoft Chart Controls been integrated into .NET 4 release of WPF? I've found some statements supporting such claims but i cant find those controls :/ How do I use them in WPF4? ...

Custom button with property as StaticResource

I am trying to achieve the following thing: use an svg image into a custom button. In order to do this I created a Custom button: public class MainButton : Button { static MainButton() { DefaultStyleKeyProperty.OverrideMetadata(typeof(MainButton), new FrameworkPropertyMetadata(typeof(MainButton))); } pu...

WPF Accessing Items inside Listbox which has a UserControl as ItemTemplate

I have Window that has a ListBox ListBox(MyListBox) has a DataTable for its DataContext ListBox's ItemSource is : {Binding} Listbox has a UserControl(MyUserControl) as DataTemplate UserControl has RadioButtons and TextBoxes (At first They're filled with values from DataTable and then user can change them) Window has one Submit Button ...

ListView In ControlTemplate how i make to scroll to my real time updated Collection last item

Please answear me how can i access the ListView in controlTemplate, or what event handler to use for extracting sender parameter that will be called every time my Collection is updated. Please give a solution! I make brainstorming for a week already!! ...

WPF NotifyIcon Help C#

Hi everyone. I'm having trouble with a NotifyIcon in WPF I currently have the following: notifyI = new NotifyIcon(); notifyI.Icon = new Icon("Power.ico"); notifyI.Text = "Shutdown Timer"; notifyI.Visible = true; notifyI.MouseDoubleClick...

What is a good alternative to the WPF WebBrowser Control?

I have an MDI WPF app that I need to add web content to. At first, great it looks like I have 2 options built into the framework the Frame control and the WebBrowser control. Given that this is an MDI app it doesn't take long to discover that neither of these will work. The WPF WebBrowser control wraps up the IE WebBrowser ActiveX Con...

WinForm Plugin system

I have created a c# 2.0 WinForm application which loads dlls, searches for an interface, and then loads the interface as a plugin. I am loading the plugins in the same appdomain as the main application because they have a GUI which I am directly loading into the application as a tab item. I would like to load them in their own app domai...

How to Stop Frame Clipping

Hi All, I have a Page built in xBap with a frame, and another page in the frame How can I take out a control from the inner page outside of a frame in visual, in other words, I want to stop clipping for the frame. Thanks in advance ...

Play animation (storyboard) backwards

Is there a simple way to play some StoryBoad backward (reversed) ? As there is a method Storyboard.Begin() I would expect that there is some method like "Storyboard.BeginReversed()" but I cannot find it. If there is no way to play an animation backwards that I have to write for most of my animations complementary animations. That smell...

How to create a "Shell IDList Array" to support drag-and-drop of virtual files from C# to Windows Explorer?

I started trying to implement drag-and-drop of virtual files (from a C# 4/WPF app) with this codeproject tutorial. After spending some time trying to figure out a DV_E_FORMATETC error, I figured out I need to support the "Shell IDList Array" data format. But there seems to be next to zero documentation on what this format actually does. ...

Setting Image.Source doesn't update when loading from a resource.

I've got this definition in my XAML: <Image Name="AlbumArt" Source="/AlbumChooser2;component/Resources/help.png" /> The image is display OK on startup. In my code I'm looking for mp3's to play and I display the associated album art in this Image. Now if there's no associated image I want to display a "no image" image. So I've got one...

Communication between Multiple Threads in a WPF Application

I added an event handler to my code and it broke all access to the CollectionViewSources in the SystemHTA class saying "The calling thread cannot access this object because a different thread owns it". My class was working when "this.systemHTA = new SystemHTA();" was placed outside of the DeviceManager_StateChanged() function. publ...