Hello, I am currently creating a few test controls. In WPF everything is fine, I can subclass e.g. Border or ScrollViewer. In Silverlight this is not possible, so I have to do a little trick (multi-targeting)... I am deriving my test element from StackPanel and add the content as child. I could, of course, also derive from WrapPanel, Ca...
I have a WPF Datatemplate that contains a some DataTriggers that start animating the color of a visual. How can I start the animation beginning with the actual value the color propery currently has? Since there might be another animation currently acitve I can not start a new one but when I remove the animation using DataTriggers ExitAct...
Good day all, In my application I am allowing the user to browse their computer for an image. I then want to copy the selected file to a directory ("Images") within the application. This is what is causing me trouble. I tried using string root = AppDomain.CurrentDomain.BaseDirectory; to find the root and then navigate to my "Images" ...
Here's a basic example to explain my problem. Let's say I have ObservableCollection<int> Numbers {get; set;} and an IValueConverter that returns the sum of Numbers. Normally what I'd do is changed the IValueConverter into an IMultiValueConverter and bind a second value to Numbers.Count like this <MultiBinding Converter="{StaticRes...
I have a relatively simple case where I want to repurpose a "Start" button with an "Abort" button after it is first clicked. I'm wondering what is the best way to implement this button repurposing using XAML, hopefully declaratively rather than with a code-behind hack: <DockPanel> <Button x:Name="btnStart">Start</Button> </DockPanel>...
hi first of all, I want to explain what I'm treating to do. I have a ListView in a usercontrol with a DataTemplate define like a resource. I want to hide a button inside the DataTemplate. Sounds easy, but .... the code i'm using is <StackPanel Margin="0" Width="1135"> ...
I created this pic in MS Word and I am trying to replicate the style in my WPF app using the Documents. First the 'from': Next my attempt to replicate: My question is probably rather obvious. What am I doing wrong? I can't find a padding property on the rowgrouping or the row. Below is my code: public override FlowDocument Cre...
I just want the tooltip to appear above the control instead of below. What would be the best way to do this? Thanks! ...
Hi ! I found out that I can use a different theme in an C# WPF Application by adding the theme .xaml-file to the project and add to App.xaml as a Resource. see http://wpf.codeplex.com/wikipage?title=WPF%20Themes for a more detailed description. Can I do this as well at runtime in C#? Is it possible to specify a different theme for d...
For some unknown reason I cannot get my MediaElement to show up when I use it in a ControlTemplate. I have installed snoop and I have determined that the ActualWidth and AcutalHeight is always zero, if I put the same media element on the main window just randomly placed, it does show. So, why the heck would it always be zero?? This is ...
If I zoom large enough in xamlpadx (500%) I see while lines around the inside of the border. In my app this even happens at normal zoom level in some controls. Why is that and more important, what can I do about it? This is my XAML code: <Border Background="#000000" BorderBrush="#000000" BorderThickness="4" CornerRadius="4"> <...
hi guys, I've developed a graph control in GDI+ and used a timer in it.. now i'm converting it to WPF. but when i went on and search for a timer there is no timers in WPF... how can i resolve this problem?any alternative to use? regards, rangana. ...
I'm working with a Win32 application that needs to create a variety of custom window types. In particular, these windows are often non-rectangle, have shadows, or are mostly transparent. I'm currently using WS_EX_LAYERED with UpdateLayeredWindow to create transparent windows that I can then draw my arbitrary graphics on. However, I fin...
I am trying to work out how to insert a tab character into a WPF RichTextBox when the AllowTab attribute is set to false. Is there a shortcut key that allows this? I would rather not have to resort to adding a special button to the toolbar or telling users that they must copy and paste one in ... ...
I've implemented navigation through my application using a Menu control which publish an event using EventAggregator on click of menu item. Something like as shown below, this.eventAggregator.GetEvent<ViewRequestedEvent>() .Publish(new BusinessObject.Model.MenuModel { Modu...
I would like to use the ribbon bar like MS Office 2007 (and greater) in my own applications. Could anyone please provide me with links or references about how I can do this? EDIT: Actually I am using Microsoft's Ribbon Control Library but could not found way to add status bar like MS Word. ...
I'm trying to learn WPF, so here's a simple question, I hope: I have a window that contains an Image element bound to a separate data object with user-configurable Stretch property <Image Name="imageCtrl" Source="{Binding MyImage}" Stretch="{Binding ImageStretch}" /> When the user moves the mouse over the image, I would like to deter...
NOTE I have asked the related question: How to combine DataTrigger and Trigger? I think I need to combine an EventTrigger and a DataTrigger to achieve what I'm after: when an item appears in my ListBox, it should flash for a few moments if the item is 'Critical' then it should remain highlighted Currently I have a DataTemplate t...
Hi All, Has anybody tried PRISM and AvalonDock (latest release with DocumentSource property) together? I already had a look at http://www.youdev.net/post/2009/07/17/AvalonDock-Documents.aspx but it just briefs on how to use documentsource property. Please help, if anybody has tried this. I Would like to know 1.How to associate Docume...
Hello.I have seen similar questions on here but haven't found an answer.I'm taking a computer graphics course in college and we are taught different algorithms that are used to display shapes.My assignment is to choose any development platform and implement these algorithms.Since I have experience developing in WPF, I want to use it for ...