We use the Dispatcher to catch any unhandled exceptions in our WPF app. This is defined in our app.xaml.cs file and it works very well. However we have a situation where we want to detect and trap any unhandled exceptions that happen in a specific WPF User Control. We would like to be able to intercept any unhandled erros related to that...
When I add an ApplicationCommands command to a MenuItem in my file menu, no matter via XAML or via code, when I open the menu the application crashes in a stack overflow, with absolutely no details about the problem. When I remove the Command, the problem also disappears. It doesn't matter which ApplicationCommand I use. Part of the cal...
I'm having trouble getting the Dispatcher to run a delegate I'm passing to it when unit testing. Everything works fine when I'm running the program, but, during a unit test the following code will not run: this.Dispatcher.BeginInvoke(new ThreadStart(delegate { this.Users.Clear(); foreach (User user in e.Results) { t...
I have a canvas that I can create and drop elements onto. I can move them and size them with a thumb or through binding to a property grid. Now, I need to implement a feature to "lock" position and size. I started with try and set min and max height\width to the actual height\width. The initial effort wasn't so great. And I still don'...
Which event fires when DataGrid's source is updating? I've tried DataContextChanged and SourceUpdated but it never worked out. Actually I need a simple thing. I want, if there is a new row comes, scroll the GridView's scrollbar down to the bottom to see what it was. ...
Hello, I have an issue with how to organise the the screen layout for my data. I have a object A with properties A1 and A2 and may contain an Object B. Object B has properties B1, B2, B3 and a collection of 1 or more of object C. Object C contains properties C1, C2 and C3 I want the the layout to be A1 A2 or A1 A2 B1 B2 ...
I would like to be able to use vector graphics, preferably defined in XAML, as the Source of an Image control, just like I can currently use a raster image like a PNG. That way I could easily mix and match between bitmap and vector images, like this: <StackPanel> <Image Source="Images/Namespace.png"/> <Image Source="Images/Modul...
I design a form in WPF project. The xaml content is automatically generated based on the GUI I design (drag/drop,set position on GUI). How can I read/retreive the xaml content data by code in C# on form? ...
I'm using VWD Express 2008 to develop a WPF Browser Application. When I start debugging, it launches the XBAP in my default browser, which is Opera. Obviously, XBAPs don't work in Opera, so I have to repeatedly right-click on the document to open in IE. Is there any way to change the settings for PresentationHost.exe so that it always o...
What is the thinking/philosophy behind having tunneling before Bubbling and not viceversa . ...
I have a WPF user control with a number of textboxes, this is hosted on a WPF window. The textboxes are not currently bound but I cannot type into any of them. I have put a breakpoint in the KeyDown event of one of the textboxes and it hits it fine and I can see the key I pressed. The textboxes are declared as <TextBox Grid.Row="3"...
After doing a project with WPF and getting very much attached to it's excellent databinding capabilities, I have now moved back to ASP.Net and am starting to miss some of WPF's stuff. My question is...is there anything similar to WPF's ValueConverters for ASP.Net? For example, I want a UserControl to expose a public property which is a...
I've defined a DataTemplate in a ResourceDictionary. The template need some data (for populating a ListBox). Previously the template was a UserControl and the data was provided by setting the DataContext property. Is there some way of using code-behind for a DataTemplate or is using an ObjectDataProvider to provide the data the only opt...
I've got this situation. (.net 3.5) A Winform application that with OleAutomation and Office Interop create an excel, a toolbar and handlers for buttons in the toolbar. Now we've got some functionality that shows the user modal windows (winform 2.0) with the method: form.ShowDialog(new ExcelHwndWrapper(objExcelApplication.HWND)) And...
I'm into creating a simple contact management application to test how WPF works with SQL database. is there any WPF-code for that shows how to connect with SQL database ? save and update data? I'm using KaXML/Sharp-develop for WPF and using SQLite/MS-SQL server 2005. I can't use Visual studio express(not allowed to install,anyway that'...
Hi, I have a wpf composite application with 3 or 4 modules that will always be loaded. In my shell I have a toolbar with buttons to active corresponding views from these modules. I injected an IEventAggregator into the shell presentor so that when a button is pressed I can publish an event that the corresponding module controller has sub...
I have a Customer object which has a List of Orders. Now, using MVVM pattern I am displaying a list of customers which is part of the CustomerOrderViewModel and "CustomerOrderView". The customers are shown using a listbox as implemented below: <ListBox BorderThickness="0" Grid.Column="0" Grid.Row="0" ItemsSource="{Binding Path=Custom...
Hi, I a have 2 distinct UI elements in distinct files : a menuItem (in window.xaml) and a userControl (in foo.xaml). Both have exactly the same logic : they are enabled only if a condition is matched and call the same method. To code this logic, i use RoutedCommands. I could use 2 different RoutedCommands in each file with same condit...
Hi Everybody, I use a datatemplate to visualize some items in a ComboBox, the ItemsSource is bound to an ObservableCollection. To keep it simple, let's say I put persons into the ObservableCollection: public class Person { public string FirstName { get; set; } public string LastName { get; set; } } My DataTemplate looks like ...
Can I run a windows presentation foundation app on a webserver over the internet, or does it run like a windows app where I have to download the code to each pc? ...