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  • How to style a label with a colon

    - by Allan
    I have a details view window in WPF and a label may look like this. <Label Content="{x:Static properties:Resources.Reference}" /> So that is obtains it content from my property Resource. How can transform/format the content so it has a colon after each label item. e.g. instead of the content simply displaying Reference I want it to transform to Reference:

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  • Programmatically Setting ControlTemplate Item

    - by Robert
    I'm having trouble figuring out how to programmatically setting the "Stroke" of my arrow. I'm using these buttons in a menu bar and I want the one currently selected to have it's arrow change to green and all the others gray. <Style x:Key="FooterGrayButtonStyle" TargetType="{x:Type Button}"> <Setter Property="HorizontalContentAlignment" Value="Center"/> <Setter Property="VerticalContentAlignment" Value="Center"/> <Setter Property="MinHeight" Value="35" /> <Setter Property="FontSize" Value="16"/> <Setter Property="Margin" Value="0,5,10,5" /> <Setter Property="Foreground" Value="White" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Button}"> <Grid> <Border x:Name="Bd" Background="#FF535A65" BorderBrush="Black" BorderThickness="1" CornerRadius="10"> <Path x:Name="arrow" Stretch="Fill" Stroke="#FFB1BB1C" StrokeThickness="5" HorizontalAlignment="Right" Margin="5" StrokeEndLineCap="Round" StrokeStartLineCap="Round" StrokeLineJoin="Miter" Width="13" Height="23" Data="M0,0 L1,1 0,2" /> </Border> <ContentPresenter HorizontalAlignment="Left" Margin="15,-2,30,0" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" RecognizesAccessKey="True"/> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Bd" Property="Background" Value="#FFB1BB1C" /> <Setter Property="Stroke" TargetName="arrow" Value="White"/> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter Property="Stroke" TargetName="arrow" Value="#FFB7B7B7"/> <Setter Property="Foreground" Value="#FFB7B7B7"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style>

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  • Display small form while main form is "locked"

    - by daemonsvk
    Hi there, i'm thinking about writing a WPF program that would require login and password at the app startup. I thought about small form with two textboxes as a login form. User will have to fill in his details and then the main form of the application will be unlocked. How will you solve this? Thanks for your answers, daemonsvk

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  • Determine number of screens and screen relative location without WinForms

    - by Philipp Schmid
    I want to save and restore the window position of my WPF application. I want to make the code robust to use with multiple monitors who's number and relative location can change (I want to avoid opening my application off-screen when the monitor configuration has changed inbetween invocations). I know of the Screen class in System.Windows.Forms, but I don't want to take a dependency on that assembly just for this feature.

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  • Why doesn't TextBlock databinding call ToString() on a property whose compile-time type is an interf

    - by Jay
    This started with weird behaviour that I thought was tied to my implementation of ToString(), and I asked this question: http://stackoverflow.com/questions/2916068/why-wont-wpf-databindings-show-text-when-tostring-has-a-collaborating-object It turns out to have nothing to do with collaborators and is reproducible. When I bind Label.Content to a property of the DataContext that is declared as an interface type, ToString() is called on the runtime object and the label displays the result. When I bind TextBlock.Text to the same property, ToString() is never called and nothing is displayed. But, if I change the declared property to a concrete implementation of the interface, it works as expected. Is this somehow by design? If so, any idea why? To reproduce: Create a new WPF Application (.NET 3.5 SP1) Add the following classes: public interface IFoo { string foo_part1 { get; set; } string foo_part2 { get; set; } } public class Foo : IFoo { public string foo_part1 { get; set; } public string foo_part2 { get; set; } public override string ToString() { return foo_part1 + " - " + foo_part2; } } public class Bar { public IFoo foo { get { return new Foo {foo_part1 = "first", foo_part2 = "second"}; } } } Set the XAML of Window1 to: <Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <StackPanel> <Label Content="{Binding foo, Mode=Default}"/> <TextBlock Text="{Binding foo, Mode=Default}"/> </StackPanel> </Window> in Window1.xaml.cs: public partial class Window1 : Window { public Window1() { InitializeComponent(); DataContext = new Bar(); } } When you run this application, you'll see the text only once (at the top, in the label). If you change the type of foo property on Bar class to Foo (instead of IFoo) and run the application again, you'll see the text in both controls.

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  • Adorning a non-DependencyObject with a DependencyProperty

    - by Rob
    I'm trying to bind to a WinForms control's DataSource property in my WPF application but I'm not having much luck... Falafel.com gives it a shot, but although it claimes that a DependencyObject is not required to perform the binding, that seems to be the only way of doing it. Has anyone done this before?

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  • Need to tab out of ActiveX control in browser

    - by John Donoghue
    When tabbing through controls in an ActiveX control hosted in IE, once I get to the last control the tab key no longer does anything. I would like it to move the focus outside the ActiveX control to the next html control. This works fine when the ActiveX control is hosted in a WinForms app, does anybody know how to make this work in the browser? It may also be relevant that the ActiveX control is a simple wrapper around a WPF control.

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  • Close current UserControl

    - by BlueMan
    I have a Window1.xaml main Window and after same event I display a UserControl EditFile.xaml The code behind is: public static int whichSelected = -1; private void button1_Click(object sender, RoutedEventArgs e) { //searchEditPanel.Children.Clear(); whichSelected = listViewFiles.SelectedIndex; searchEditPanel.Children.Add(_EditFileControle); //this is Grid } And now, how to close the opened/added UserControl from it content by clicking Cancel button or something like that.

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  • FileSystemWatcher and System Out of Memory Exception

    - by Saurabh
    A little context There is a wpf based application which i left opened for 2-3 days without performing any activity throws out of memory exception , this is very Weird situation and does not happen all of the time. During this ideal activity , my application does nt perform any activity but just a file system watcher contineously watching a shared location , so i thought that would be a problem but i am not sure. Any suggestion is always welcomed.

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  • How to Update TreeViewItem's IsExpanded property to false in code behind?

    - by viky
    I am working with WPF TreeView control. I am creating a hierarchical data structure and assigning it to ItemsSource and it will generate TreeviewItems automatically. By default I use IsExpanded of TreeViewItem to true. But in a particular case, I want to set IsExpanded property to false. So that treeview loading doesn't take time to generate all items. How can I set that in code since I don't have reference to TreeViewItem's instance at that time?

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  • How can I unattach an element from another element in the XAML tree?

    - by Edward Tanguay
    In my Silverlight application, I load all the images I need at application start and store them in a dictionary. Then as I need them I pick them out of the dictionary and attach them in XAML trees etc. However, I have the problem that if I attach an Image object to a Grid, then want to use that image again, it tells me: The image element is already a child of another element. How can I run through my dictionary and "detach all images from parent XAML elements"?

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  • Microsoft Blend 3 - Add Silverlight SDK Themes

    - by photo_tom
    I'm working on my first WPF project and would like to use one of the themes that I see in the Silverlight Tool Kit. All the help I've found is for Expression 2 and they show a different version of the Asset Tab. Can someone advise me how to do this. It looks like it should be simple, but I'm not seeing it.

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  • What is the alternative to MilRelease api from MilCore.dll?

    - by Anand
    Hi I am trying to port my application from windows Vista to Windows 7. In my WPF application I am showing a splash screen, for which I have used WIC components. I am creating some resources using IWICImagingFactory_CreateDecoderFromStream_Proxy IWICImagingFactory_CreateFormatConverter_Proxy CreateBitmapFlipRotator And then to release these resource I am calling MILRelease(void *Unknown) In Windows 7 MilCore.dll has been removed from Windows 7 and the MILRelease is part of milcore.dll. What is is the alternate api which I can use?

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  • C# Speaker Output Device *Advanced* Settings

    - by Kyle
    Hello all. I have a C# (WPF) application which checks for all output devices (Speakers) and I need to check the Bit Depth and Sample Rate of the output device. Has anyone worked with this or know of a way to do so? I have been searching around, but found nothing similar... Any help is much appreciated. Thanks

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  • how plot a matrix on a wxframe?

    - by milton
    I am starting on wx, and I need to plot a matrix (like a grid) that is stored on a list of lists on wx Frame. My matrix have to values, and I would like to set different colors for each values. mymatrix=[[100,200,200,200,100,200,200,200,100,100], [200,200,100,100,100,100,200,200,100,200], [100,100,200,200,100,100,100,100,100,100], [100,200,200,100,200,100,100,200,200,200], [200,100,200,100,100,100,100,200,100,100], [100,200,200,100,200,200,100,200,100,100], [200,100,200,100,100,100,200,100,100,100], [200,200,100,200,100,200,200,200,200,200], [200,200,200,100,200,200,200,100,100,100], [100,100,100,200,200,200,100,200,200,100]] a = numpy.array(landscape_matrix) im = Image.fromarray(a) I can show it using im.show() but I need to plot it on a wx frame. All help is welcome. [email protected]

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  • Attached property and style missing on re adding the user control

    - by RodD
    Hey people I've got an issue with a WPF project I'm working on, I have an items control which I add to and remove from certain user controls, these contols styles and attached properties are there on first view but when I remove and add them again the user control apears on screen but is detached from the items control attached properties and styles. Is this behaviour common and if so what is the best way to handle it? Thanks in advance

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  • Absolute UriSource of a Resource image

    - by Louis Rhys
    I have a WPF project. If I store image in {ProjectRoot}\Images\image.png, and compile it as Resource then I can access it from a xaml (this xaml is located at Root) as BitmapImage by BitmapImage UriSource="Images/image.png". But if I move the xaml to another folder, say {ProjectRoot}\Xamls, now I have to use BitmapImage UriSource="../Images/image.png". Is there a way to specify an absolute project path, so that I can refer to them with the same path regardless of the location of the xaml?

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  • DataGrid SelectionChanged happens too often

    - by Tokk
    Hey, Guys As I have a DataGrid as another DataGrid's RowDetailsTemplate, I've got a strage effekt. If I Change selection in my inner DataGrid, the SelectionChanged-Method in the outer Grid is automatically caled, too. I don't know why, but I would like to know, what I can do against this. Thx

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