How to allow TextBlock‘s text to be selectable? I tried to get it to work by displaying the text using a read-only TextBox styled to look like a textblock but this will not work in my case because a TextBox does not have inlines. In other words, how to make it selectable? 18 Answers 18
I want to know the difference between ObservableCollection and BindingList because I’ve used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other. Why would I choose one of the following over the other? ObservableCollection<Employee> lstEmp = new ObservableCollection<Employee>(); or BindingList<Employee> lstEmp = … Read more
How can I retrieve the item that is selected in a WPF-treeview? I want to do this in XAML, because I want to bind it. You might think that it is SelectedItem but apparently that does not exist is readonly and therefore unusable. This is what I want to do: <TreeView ItemsSource=”{Binding Path=Model.Clusters}” ItemTemplate=”{StaticResource ClusterTemplate}” … Read more
Creating a relatively simple data entry form, and just want to separate certain sections with a horizontal line (not unlike an HR tag in HTML) that stretches the full length of the form. I have tried this: <Line Stretch=”Fill” Stroke=”Black” X2=”1″/> Because the parent control is not a fixed width, this line causes the window … Read more
I’m trying to learn WPF and the MVVM problem, but have hit a snag. This question is similar but not quite the same as this one (handling-dialogs-in-wpf-with-mvvm)… I have a “Login” form written using the MVVM pattern. This form has a ViewModel which holds the Username and Password, which are bound to the view in … Read more
I have resource dictionary files (MenuTemplate.xaml, ButtonTemplate.xaml, etc) that I want to use in multiple separate applications. I could add them to the applications’ assemblies, but it’s better if I compile these resources in one single assembly and have my applications reference it, right? After the resource assembly is built, how can I reference it … Read more
As an example take the following code: public enum ExampleEnum { FooBar, BarFoo } public class ExampleClass : INotifyPropertyChanged { private ExampleEnum example; public ExampleEnum ExampleProperty { get { return example; } { /* set and notify */; } } } I want a to databind the property ExampleProperty to a ComboBox, so that it … Read more
What is the difference between a Page and a Window in WPF when you are adding a new file in the Solution Explorer? 3 Answers 3
We are having a WPF application where parts of it may throw exceptions at runtime. I’d like to globally catch any unhandled exception and log them, but otherwise continue program execution as if nothing happened (kinda like VB’s On Error Resume Next). Is this possible in C#? And if so, where exactly would I need … Read more
I have come across a problem with binding to a PasswordBox. It seems it’s a security risk but I am using the MVVM pattern so I wish to bypass this. I found some interesting code here (has anyone used this or something similar?) http://www.wpftutorial.net/PasswordBox.html It technically looks great, but I am unsure of how to … Read more