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  • Automatic (keyless) styles not applied when in a MergedDictionaries in another assembly

    - by Catalin DICU
    I moved the styles and templates xaml files form my application (.exe) project to a library project (.dll) because I want to use them in multiple applications. In App.xaml I have: <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/All.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> In All.xaml (in the Common assembly) : <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Styles.xaml" /> <ResourceDictionary Source="Templates.xaml" /> <ResourceDictionary Source="Converters.xaml" /> </ResourceDictionary.MergedDictionaries> With this code keyless styles in Styles.xaml aren't applied. Instead, if I reference them directly in App.xaml, it works : <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Styles.xaml" /> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Templates.xaml" /> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Converters.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> Can anyone explain why it happens ?

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  • Rotate and Save Image - C#

    - by Taylor
    Hello, I'm trying to rotate and save an image, along with returning a BitmapSource. I pass in the rotation value (90 or -90) and the full path to the image I want to rotate to the method shown here. It works fine if I start and stop my application between calling this method. however, if the application calls rotate multiple times the rotate only happens once. I know the original image must be cached in memory, because if I pass values 90, 180, 270 I see the rotations work. I want to be able to pass in a value of 90 or -90 and have that rotate and save the original image. How can I make the rotate work for each call? Is there a way to clear the cached value of the image? If I don't set the BitmapCacheOption to OnLoad, I am unable to transform and save the image since the image is "being used by another process". public BitmapImage Rotate(int val, string path) { //create a new image from existing file. Image image = new Image(); BitmapImage logo = new BitmapImage(); logo.BeginInit(); logo.CacheOption = BitmapCacheOption.OnLoad; logo.UriSource = new Uri(path); logo.EndInit(); image.Source = logo; BitmapSource img = (BitmapSource)(image.Source); //rotate image and save CachedBitmap cache = new CachedBitmap(img, BitmapCreateOptions.None, BitmapCacheOption.OnLoad); TransformedBitmap tb = new TransformedBitmap(cache, new RotateTransform(val)); TiffBitmapEncoder encoder = new TiffBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(tb)); using (FileStream file = File.OpenWrite(path)) { encoder.Save(file); } //update page view BitmapImage bi = new BitmapImage(); bi.BeginInit(); bi.CacheOption = BitmapCacheOption.OnLoad; bi.UriSource = new Uri(path); bi.EndInit(); return bi; }

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  • DataBinding in ResourceDictionary

    - by Vishal
    Hi All, I've a ResourceDictionary. In which I've defined all the commands. <ResourceDictionary x:Class="HTCmds" x:ClassModifier="public" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:commands="clr-namespace:Commands;assembly=UIInfrastructure" xmlns:r="clr-namespace:Microsoft.Windows.Controls.Ribbon;assembly=RibbonControlsLibrary" xmlns:local="clr-namespace:Commands" xmlns:p="clr-namespace:PresentationModels"> <commands:CommandReference x:Key="CopyCommandReference" Command="{Binding Path=CopyCommand}"/> <commands:CommandReference x:Key="ExitCommandReference" Command="{Binding Path=ExitCommand}"/> </ResourceDictionary> I've merged this ResourceDictionary in a Windows class. <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="../Commands/HTCmds.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> This window class has DataContext property set to Commands.cs class that contains all the commands and their handlers. Now, How do I bind the commands defined in ResourceDictionary with commands in DataContext of Windows class? Thanks & Regards, Vishal.

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  • How can I dynamically set the event handler for a TabItem when it is selected?

    - by juharr
    In XAML you can do <TabItem Selector.Selected="myEvenHandler"></TabItem> to set the event handler for when that tab is selected. How can I do the exact same thing dynamically. I would prefer not to use the SelectionChanged event of TabControl if I can help it. Clearly there is a Selected event on the TabItem I just cannot seem to get at it in code. Here's what I'd like to do. TabItem item = new TabItem(); MyCustomControl mcc = new MyCustomControl(); item.Content = mcc; item.Selected += (s,e) => // This event does not exist { selectedControl = mcc; } myTabControl.Items.Add(item);

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  • IntelliSense and Folding Editor Not Working in Visual Studio 2008 SP1 for Certain Files Only

    - by cplotts
    Ok, I have an issue that is driving me nuts. In certain xaml files only, neither IntelliSense nor the folding editor is working. I have noticed that if I delete the local namespace and add it back, the folding editor starts working. If I delete the local namespace and don't add it back, IntelliSense starts working as well. Of course, I need to remember to add that namespace declaration back before I compile and/or check in ... which is annoying. How can you fix this?

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  • putting multibinding on a single line in xaml

    - by Adam S
    Is there a way to take this multibinding: <TextBox.IsEnabled> <MultiBinding Converter="{StaticResource LogicConverter}"> <Binding ElementName="prog0_used" Path="IsEnabled" /> <Binding ElementName="prog0_used" Path="IsChecked" /> </MultiBinding> </TextBox.IsEnabled> and put is all on one line, as in <TextBox IsEnabled="" />? If so, where can I learn the rules of this formattiong?

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  • project hours worked to be sum of tasks hours worked.

    - by silverkid
    i have a sharepoint list called project . this list has column called hours worked. Then i also have a list called tasks. this list also has a column called hours worked. the task list also has a lookup field where we select project ID from project list. Thus for each project we can have many tasks. now tasks list items are created by individual users and i have to create such a mechanism that the hours worked in project list must always be the sum of hours worked in tasks of that project. How can I achieve this.

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  • MS Surface drag & drop SurfaceListBoxItems

    - by Joe G
    Hey guys I'm working on the Microsoft Surface Table and I'm attempting to drag an item from 1 SurfaceListBox to another and recognize which SurfaceListBoxItem the other SurfaceListBoxItem was dropped on top of. The SDK help as a great tutorial for dragging items from 1 SurfaceListBox to the next and just adding the content and removing it from the other. If I set AllowDrop=True on the SurfaceListBoxItem the SurfaceListBox still captures the drop. If I set it to false on the SurfaceListBox it doesn't recognize the drop at all. Somehow I need to bury deeper on that drop or something.

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  • How to Read Device Data From COM

    - by Aamir Khurshid
    I have one device which sends data on COM port say on COM13, now i want to read that data and display it in the RichtextBox or in any text control , i have written the application with the help of IO and IO.Ports but comport.DataRecived event does not fire,even though device is sending data on that port, I have some software on which i define the port number and it successfully display data ,which insure me that data is reciving on the Port but i am unable to recive, is there any way i can read data? Regards, Aamir

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  • MVVM View-First Approach How Change View

    - by CodeWeasel
    Hi everybody, Does anybody have an idea how to change screens (views) in a MVVM View-First-Approach (The view instantiates the ViewModel: DataContext="{Binding Source={StaticResource VMLocator}, Path=Find[EntranceViewModel]}" ) For example: In my MainWindow (Shell) I show a entrance view with a Button "GoToBeach". <Window> <DockPanel> <TextBox DockPanel.Dock="Top" Text="{Binding Title}" /> <view.EntranceView DockPanel.Dock="Top" /> </DockPanel> </Window> When the button is clicked I want to get rid of the "EntranceView" and show the "BeachView". I am really curious if somebody knows a way to keep the View-First Approach and change the screen (view) to the "BeachView". I know there are several ways to implement it in a ViewModel-First Approach, but that is not the question. Perhabs I missed something in my mvvm investigation and can't see the wood for the trees... otherwise i am hoping for a inspiring discussion.

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  • .NET Remoting memory leak?

    - by PrimeTSS
    I have a Remoting Class as a Singleton <configuration> <system.runtime.remoting> <application> <service> <wellknown mode="Singleton" type="PTSSLinkClasses.PTSSLinkClientDesktopRemotable, PTSSLinkClasses" objectUri="PTSSLinkDesktop" /> </service> <channels> <channel ref="http" port="8901"/> </channels> </application> </system.runtime.remoting> </configuration> Its created within a "server" Service. Another client service consumes this remote object. The client is calling the remote object every .5 second using a timer (polling) (for testing) If the server service is stopped, so the remote object is not available, memory useage for the client service keeps increasing...... I have overwritten InitialLifetimeService to return a null public override Object InitializeLifetimeService() { return null; } If a remote object is not available does .net queue all the call requests to this object??? untill all the memory is consumed? How can I dected if the remote object is not available and stop trying to call the remote method?

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  • Problem using Blend 3 Interaction.Behaviours in VS2010

    - by Andre Luus
    There seems to be a problem with support for the Interactivity namespace of Blend 3 in the VS2010 xaml editor. I have the following installed: VS2010 Blend 3 + Blend 3 SDK I am trying to compile a demo project that is targeted at .Net 4 Client Profile and has a reference to System.Windows.Interactivity (in the Blend 3 folder). In the object browser everything appears to be fine. I can also access Interaction.Behaviours from code-behind, but if I put the namespace xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" in the xaml file and try to use it, the intellisense is blank. If I copy something in there anyway, the compiler says: The tag 'Interaction.Behaviors' does not exist in XML namespace 'http://schemas.microsoft.com/expression/2010/interactivity'. Do I need to install Blend 4 RC or something?

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  • xaml : Retrigger opacity animation on multiple conditions

    - by Sdry
    I have a problem figuring out how datatriggers and multidatatriggers work. I am trying to display a message, and depending on the type of message keep it displayed( + having a background), or having it fade out by a double animation on the opacity property (+ having a transparent background). My xaml view has a game object as datacontext, which has a dependency property of type GameMessage, of which the constructor looks like this: public GameMessage(bool containsMessage, string message, bool canFadeAway) { ContainsMessage = containsMessage; Message = message; CanFadeAway = canFadeAway; } pretty straight forward, I want to display the message when ContainsMessage =equals true, and trigger a fade out animation if canFadeAway equals true. But also set the background based on canFadeAway. <Canvas Name="messageCanvas" Width="300" Height="100" Style="{StaticResource fadeInOut}"> <TextBlock Name="txtMessage" Text="{Binding Path=GameMessage.Message}" Canvas.Top="25" Canvas.Left="0" Foreground="{StaticResource MessageForegroundBrush}"> </TextBlock> </Canvas> Now, the Style and triggers is where I get into trouble: <Style.Triggers> <MultiDataTrigger> <MultiDataTrigger.Conditions> <Condition Binding="{Binding Path=GameMessage.ContainsMessage}" Value="True"/> <Condition Binding="{Binding Path=GameMessage.CanFadeAway}" Value="False"/> </MultiDataTrigger.Conditions> <Setter Property="Background" Value="{StaticResource MessageBackgroundBrush}" /> <Setter Property="Opacity" Value="8" /> </MultiDataTrigger> <MultiDataTrigger> <MultiDataTrigger.Conditions> <Condition Binding="{Binding Path=GameMessage.ContainsMessage}" Value="True"/> <Condition Binding="{Binding Path=GameMessage.CanFadeAway}" Value="True"/> </MultiDataTrigger.Conditions> <Setter Property="Background" Value="Transparent" /> <Setter Property="Opacity" Value="8" /> </MultiDataTrigger> <DataTrigger Binding="{Binding Path=GameMessage.CanFadeAway}" Value="True"> <DataTrigger.EnterActions> <BeginStoryboard > <Storyboard BeginTime="0:0:0" > <DoubleAnimation Storyboard.TargetProperty="Opacity" From="8" To="0" Duration="0:0:1" BeginTime="0:0:0" /> </Storyboard> </BeginStoryboard> </DataTrigger.EnterActions> <DataTrigger.ExitActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" To="8" Duration="0:0:0.1" /> </Storyboard> </BeginStoryboard> </DataTrigger.ExitActions> </DataTrigger> </Style.Triggers> </Style> The problem is in resetting the opacity when the GameMessage Property ( of type GameMessage) is of type true,msg",true, and gets replaced by a GameMessage object of the same kind. The opcacity remains 0, and messages only get restored again when I have a message of kind true,"msg,false. After the animation, the opacity is 0, and where I would expect the second multidatatrigger to set it back to 8, and then have the animation performed by the Datatrigger, it doesnt. What would be the best way to get this working ?

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  • How to hide the border around child window

    - by Subhen
    Hi, I have a child Window , and I am displaying it from the code behind as below: ChildPhotoViewer PhotoViewer = new ChildPhotoViewer(); PhotoViewer.DataContext = selectedPhoto; PhotoViewer.Title = selectedPhoto.strTitle.ToString(); PhotoViewer.Show(); But While Displaying the child window I am getting the Close Button and a Border thickness arround the Window. I am able to hide the Close Button but is there a way to hide the thickness(Border) across the child window. Thanks, Subhen

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  • GWT Button eventlistener designer2

    - by msaif
    I have a html tag. I used ((HasClickHandlers)RootPanel.get("test").getWidget(0)).addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { Window.alert('sss'); } } I executed but no action.

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  • How does FallbackValue work with a MultiBiding?

    - by Will
    I ask because it doesn't seem to work. Assume we're binding to the following object: public class HurrDurr { public string Hurr {get{return null;}} public string Durr {get{return null;}} } Well, it would appear that if we used a MultiBinding against this the fallback value would be shown, right? <TextBlock> <TextBlock.Text> <MultiBinding StringFormat="{}{0} to the {1}" FallbackValue="Not set! It works as expected!)"> <Binding Path="Hurr"/> <Binding Path="Durr"/> </MultiBinding> </TextBlock.Text> </TextBlock> However the result is, in fact, " to the ". Even forcing the bindings to return DependencyProperty.UnsetValue doesn't work: <TextBlock xmnlns:base="clr-namespace:System.Windows;assembly=WindowsBase"> <TextBlock.Text> <MultiBinding StringFormat="{}{0} to the {1}" FallbackValue="Not set! It works as expected!)"> <Binding Path="Hurr" FallbackValue="{x:Static base:DependencyProperty.UnsetValue}" /> <Binding Path="Durr" FallbackValue="{x:Static base:DependencyProperty.UnsetValue}" /> </MultiBinding> </TextBlock.Text> </TextBlock> Tried the same with TargetNullValue, which was also a bust all the way around. So it appears that MultiBinding will never ever use FallbackValue. Is this true, or am I missing something?

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  • DependencyProperty ignores OnPropertyChanged();

    - by Kovpaev Alexey
    I have PointsListView and PointContainer: INotifyPropertyChanged, ICollection<Point>. public class PointContainer: INotifyPropertyChanged, ICollection<Point> { public event PropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(PropertyChangedEventArgs e) { if (PropertyChanged != null) PropertyChanged(this, e); } public IEnumerable<Point> Points { get { return points.Values; } } public void Clear() { points.Clear(); OnPropertyChanged(new PropertyChangedEventArgs("Points")); } ... } For the reliability I made a binding from code: private void BindPointContainerToListView() { Binding binding = new Binding(); binding.Source = PointContainer; binding.Path = new PropertyPath("Points"); PointsListView.SetBinding(ListView.ItemsSourceProperty, binding); } Why when change PointContainer is not automatically updated PointsListView.ItemsSource. PointsListView.Items.Refresh (); solves the problem, but why does not work automatically? What am I doing wrong?

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  • Why does KeyDown event not have access to the current value of bound variable?

    - by Edward Tanguay
    In the example below: I start program, type text, click button, see text above. Press ENTER see text again. BUT: I start program, type text, press ENTER, see no text. It seems that the KeyDown event doesn't get access to the current value of the bound variable, as if it is always "one behind". What do I have to change so that when I press ENTER I have access to the value that is in the textbox so I can add it to the chat window? XAML: <Window x:Class="TestScroll.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="290" Width="300" Background="#eee"> <StackPanel Margin="10"> <ScrollViewer Height="200" Width="260" Margin="0 0 0 10" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"> <TextBlock Text="{Binding TextContent}" Background="#fff"/> </ScrollViewer> <StackPanel HorizontalAlignment="Left" Orientation="Horizontal"> <TextBox x:Name="TheLineTextBox" Text="{Binding TheLine}" Width="205" Margin="0 0 5 0" KeyDown="TheLineTextBox_KeyDown"/> <Button Content="Enter" Click="Button_Click"/> </StackPanel> </StackPanel> </Window> Code-Behind: using System; using System.Windows; using System.Windows.Input; using System.ComponentModel; namespace TestScroll { public partial class Window1 : Window, INotifyPropertyChanged { #region ViewModelProperty: TextContent private string _textContent; public string TextContent { get { return _textContent; } set { _textContent = value; OnPropertyChanged("TextContent"); } } #endregion #region ViewModelProperty: TheLine private string _theLine; public string TheLine { get { return _theLine; } set { _theLine = value; OnPropertyChanged("TheLine"); } } #endregion public Window1() { InitializeComponent(); DataContext = this; TheLineTextBox.Focus(); } private void Button_Click(object sender, RoutedEventArgs e) { AddLine(); } void AddLine() { TextContent += TheLine + Environment.NewLine; } private void TheLineTextBox_KeyDown(object sender, KeyEventArgs e) { if (e.Key == Key.Return) { AddLine(); } } #region INotifiedProperty Block public event PropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(propertyName)); } } #endregion } }

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