Hi, I have: public class Person { String name { get; set; } String address { get; set; } bool isMarried { get; set; } } My datagrid gets populated with a list of persons. I want to have a custom column where icon-1.jpg is displayed when isMarried is true and icon-2.jpg is displayed when isMarried is false. How do I do this in WPF...
Hello everybody, In the application I am developing, I have a MainWindow, which is divided in several Views. Each View is a UserControl and has its own ViewModel. By setting a DataContext inside the UserControl, I am able to work in Expression Blend 4 with design-time data. Ops, forgot to say: I am using the "basic" Locator class, no M...
If I have a list of 3D points and their 2D projection on screen, is there a way to compute the camera that performed the projection? I am using the WPF perspective camera. ...
I want to know if a ray from an arbitrary point will strike a polygon. It would be useful to know the point in space that intersection occurs and also a reference to that polygon. I'm using the System.Windows.Media.Media3D library and have done a ray trace test but have yet to crack any of teh information i want out of the HitTestResult ...
Hi! I have a windows form in a wpf window, and I'm trying to use DragMove when I click on the windows form, it's a picturebox so I want to be able to drag the window around just by clicking the picture. I catch my form's mouse down, and raise the wpf window's mouseleftbuttondown event with: if (e.Button == MouseButtons.Left) {...
I'm trying to switch between 2 templates on the basis of a data trigger. But I app crashes with the "Object reference not set to an instance of an object." If I comment out the setter for the template it runs fine. Here's my XAML: <Style x:Key="ListViewItemStyle" TargetType="{x:Type ListViewItem}"> <Setter Property="Template" V...
I Have a ComboBox and I would like to bind to two different properties, one in the ComboBox and one in the ListBox. The properties are named Summary and Description. How can I accomplish this? I Currently have this <ComboBox x:Name="comboBox" ItemsSource="{Binding}" DisplayMemberPath="Summary" Displa...
I have a ListView and GridView within it. Upon clicking a button on any row I set an error state based on which I need to change that particular row's cell structure. For eg. I need it to go from a 5 column cell to a 3 column one. Can I accomplish this using a GridViewRowPresenter? ...
VS2008, Excel 2007, RibbonX, Excel Shared Add-In, Not VSTO There is no property in RibbonXML that I can set help to a ribbon button I can't get hold of reference to any particular ribbon button, I only can get a reference to IRibbonUI in RibbonLoaded call back Anyone know how to accomplish this? thanks ...
What would be the easiet (and possibly fast) way to get a BlockCollection object (System.Windows.Documents namespace) which contains a given Block-type object? I could not find any direct way of doing this using what's available on Block class. public static BlockCollection FindContainingCollection(Block block) { // ??? } ...
I'm trying to get a hold of all DataGridRows for a DataGrid, don't ask me why :) The DataGrid is bound to a DataView and I'm using this code but it failes after some rows.. I guess that they haven't been created yet. foreach (DataRowView item in datagrid.Items) { // Sometimes row == null... DataGridRow row = dataGrid.ItemContain...
Hello, I have a MainWindow with 3 main buttons at the top and below a MainUserControl. In the MainUserControl I have at top 3 UserControls with ButtonBars and at the bottom a DataGrid. When I enter data in a DataGridCell and I click into another cell a property change is fired in my ViewModel bound to the DataGrid. When I enter data...
Does anyone have any good pointers/examples/links for writing WPF UI automation tests with applications utilising Infragistics controls? ...
I am making a template control so that I can have a button with an image that changes when you click it. I also am trying to get text on top of the button that can change at run time. I have the button images and everything working but I can't seem to get that label at runtime so I can change the text. Here is the code in the xaml. I...
I am writing a sample app in WPF and I'd like the Model to be easily reusable in a WinForms app so I'd like to keep WPF specific stuff like INotifyChanged and DependencyObjects out of it. If a Model class has a List of some other Model class, how do I implement the corresponding ObserveableCollection in the View-Model so I can keep my b...
My WPF4 XAML has bindings that reference objects in my C++/CLI .dll. In VS2010 the XAML passes verification, but Blend 4 is very borked. It can't find the namespace within the CLI dll. In the 2008/.NET 3.5 days I could remove the project reference and replace with the compiled .DLL in Blend and go on my merry way but this doesn't work ...
I have a requirement to retemplate the Scrollbar so that only one template is required, instead of separate horizontal and vertical ones. The designer's assertion is that the scrollbar can be rotated on a trigger (Orientation = Horizontal), and the commands swapped on the buttons. Since the single template is set up as a grid with rows,...
When i set a lisbox with 100 items , list box is showing Vertical scrollbar(horizontal scrollbar is disabled) and is working perfect. But when i change the datacontect with 5 items, the scrollbar is still showing and i can see only the first item. But when i try to move the scrollbar it is displaying the all the 5 items and scrollbar is ...
I was recently having some issues with a bigger project, but in an effort to solve the problem, I made a new solution with just two incredibly basic files. It is a WPF C# project with the main window containing a button, and a usercontrol containing a textblock. I already have them linked in Blend so that when I click the button, the use...
The project I am currently working on is a text editor type app. I am wondering how I can handle custom view options. eg. font family, size, bold, colors for myTextBox. My Editor Tab is a EditorTabViewModel within the View is a custom user control MarkdownEditor. Its basically a text box with some buttons for bold/italic etc. I am wonder...