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  • In WPF how to define a Data template in case of enum?

    - by Ashish Ashu
    I have a Enum defined as Type public Enum Type { OneType, TwoType, ThreeType }; Now I bind Type to a drop down Ribbon Control Drop Down Menu in a Ribbon Control that displays each menu with a MenuName with corresponding Image. ( I am using Syncfusion Ribbon Control ). I want that each enum type like ( OneType ) has data template defined that has Name of the menu and corrospending image. How can I define the data template of enum ? Please suggest me the solution, if this is possible !! Please also tell me if its not possible or I am thinking in the wrong direction !!

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  • How Do I Bind a "selected Item" in a Listbox to a ItemsControl in WPF?

    - by Scott
    LowDown: I am trying to create a Document Viewer in WPF. It will allow the user to preview selected documents and if they want, compare the documents in WPF. So they can view them side by side. The layout is this: Left side is a full list box. On the right side is a Collection or an Items control. Inside the items control will be a collection of the "selected documents" in the list box. So A user can select multiple items in the list box and for each new item they select, they can add the item to the collection on the right. I want the collection to look like a image gallery that shows up in Google/Bing Image searches. Make sense? The problem I am having is I can't get the WPFPreviewer to bind correctly to the selected item in the list box under the itemscontrol. Side Note: The WPFPreviewer is something Micorosft puts out that allows us to preview documents. Other previewers can be built for all types of documents, but im going basic here until I get this working right. I have been successful in binding to the list box WITHOUT the items control here: <Window.Resources> <DataTemplate x:Key="listBoxTemplate"> <StackPanel Margin="3" > <DockPanel > <Image Source="{Binding IconURL}" Height="30"></Image> <TextBlock Text=" " /> <TextBlock x:Name="Title" Text="{Binding Title}" FontWeight="Bold" /> <TextBlock x:Name="URL" Visibility="Collapsed" Text="{Binding Url}"/> </DockPanel> </StackPanel> </DataTemplate> </Window.Resources> <Grid Background="Cyan"> <ListBox HorizontalAlignment="Left" ItemTemplate="{StaticResource listBoxTemplate}" Width="200" AllowDrop="True" x:Name="lbDocuments" ItemsSource="{Binding Path=DocumentElements,ElementName=winDocument}" DragEnter="documentListBox_DragEnter" /> <l:WPFPreviewHandler Content="{Binding ElementName=lbDocuments, Path=SelectedItem.Url}"/> </Grid> Though, once I add in the ItemsControl, I can't get it to work anymore: <Window.Resources> <DataTemplate x:Key="listBoxTemplate"> <StackPanel Margin="3" > <DockPanel > <Image Source="{Binding IconURL}" Height="30"></Image> <TextBlock Text=" " /> <TextBlock x:Name="Title" Text="{Binding Title}" FontWeight="Bold" /> <TextBlock x:Name="URL" Visibility="Collapsed" Text="{Binding Url}"/> </DockPanel> </StackPanel> </DataTemplate> </Window.Resources> <Grid> <ListBox HorizontalAlignment="Left" ItemTemplate="{StaticResource listBoxTemplate}" Width="200" AllowDrop="True" x:Name="lbDocuments" ItemsSource="{Binding Path=DocumentElements,ElementName=winDocument}" DragEnter="documentListBox_DragEnter" /> <ItemsControl x:Name="DocumentViewer" ItemsSource="{Binding ElementName=lbDocuments, Path=SelectedItem.Url}" > <ItemsControl.ItemTemplate> <DataTemplate> <Grid Background="Cyan"> <l:WPFPreviewHandler Content="{Binding Url}"/> </Grid> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> </Grid> Can someone please help me out with trying to bind to the ItemsControl if I select one or even multiple items in the listbox.

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  • WPF DataTemplateKey can not find ListBox key

    - by Ryan
    I am fairly new to WPF and am having trouble getting the DataTemplateKey to find my ListBox. <Window.Resources> <ControlTemplate x:Key="FocusTemplate" > <Rectangle Fill="Azure" Width="290" Height="55" /> </ControlTemplate> <Style x:Key="FocusStyle" TargetType="{x:Type Control}"> <Setter Property="Template" Value="{StaticResource FocusTemplate}"/> </Style> <Style TargetType="ListBoxItem"> <EventSetter Event="GotFocus" Handler="ListItem_GotFocus"></EventSetter> </Style> <DataTemplate DataType="{x:Type TextBlock}"> </DataTemplate> <DataTemplate x:Key="CustomListData" DataType="{x:Type ListBox}"> <Border BorderBrush="Black" BorderThickness="1" Margin="-2,0,0,-1"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="55*" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <Grid.RenderTransform> <TransformGroup> <ScaleTransform ScaleX="1" ScaleY="1"/> <SkewTransform AngleX="0" AngleY="0"/> <RotateTransform Angle="0"/> <TranslateTransform X="0" Y="0"/> </TransformGroup> </Grid.RenderTransform> <!--<ScrollViewer x:Name="PART_ContentHost" />--> <TextBox Width="290" TextAlignment="Left" VerticalContentAlignment="Center" BorderThickness="0" BorderBrush="Transparent" Foreground="#FF6FB8FD" FontSize="18" FocusVisualStyle="{StaticResource FocusStyle}" Name="editingBox" TextWrapping="Wrap" Text="{Binding .}" Grid.Column="1" Grid.Row="1" MinHeight="55" Cursor="Hand" IsReadOnly="True" > <TextBox.Background> <LinearGradientBrush EndPoint="0,1" StartPoint="0,0"> <LinearGradientBrush.RelativeTransform> <TransformGroup> <ScaleTransform CenterX="0.5" CenterY="0.5"/> <SkewTransform CenterX="0.5" CenterY="0.5"/> <RotateTransform Angle="0" CenterX="0.5" CenterY="0.5"/> <TranslateTransform/> </TransformGroup> </LinearGradientBrush.RelativeTransform> <GradientStop Color="#FF2D4984"/> <GradientStop Color="#FF182D56" Offset="0.042"/> </LinearGradientBrush> </TextBox.Background> </TextBox> </Grid> </Border> </DataTemplate> <Style TargetType="{x:Type ListBox}"> <Setter Property="ItemTemplate" Value="{StaticResource CustomListData }" /> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" /> </Style> </Window.Resources> <Window.DataContext> <ObjectDataProvider ObjectType="{x:Type local:ImageLoader}" MethodName="LoadImages" /> </Window.DataContext> <ListBox ItemsSource="{Binding}" Width="320" Background="#FF021422" BorderBrush="#FF1C4B79"> <ListBox.Resources> <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}">Transparent</SolidColorBrush> </ListBox.Resources> </ListBox> The following code will find a TextBlock var key = new System.Windows.DataTemplateKey(typeof(TextBlock)); var r = (DataTemplate)this.FindResource(key); However, when I change the type to ListBox, the key can not be found. What have I missed? Thanks Ryan

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  • WPF Localization Using LocBaml: Handling Special Symbols

    - by Aryeh
    Hello, I’m dealing with localization of a WPF application (Visual Studio 2010 under Windows 7). I’ve just accomplished the whole process of localization using LocBaml tool, as explained in WPF Globalization and Localization Overview and in related posts. The target language is Italian (it-IT culture). When I run my application in Italian, I have a problem with interpretation of the special symbols of © and ™: they both appear there as a white question sign upon a black diamond-shaped background. The symbols © and ™ appear identically in both English and Italian CSV-files. I tried also the special letters (such as È, à etc.) that are present in Italian but absent in English, and they also are interpreted as the above diamond-shaped question. In Region and Language, I changed the system locale to Italian[Italy], restarted the PC and ran the application again – this helped me in the past to cope with a similar problem in localization of C++ applications under Windows XP, but now it didn’t help, either. Has somebody any idea what is the catch here?

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  • WPF Control Templating: Keeping Windows look and feel

    - by Tyler
    I'm working on a control template for an inherited TextBox class. I'd like to use this template to add additional controls with the ScrollViewer. I can achieve that goal just fine, what I can't do recreate the border in such away that it matches the Windows look and feel. I have Windows Classic as my theme on XP. Textboxes are typically shown with the standard inset border style. With the XP Fischer Price theme, borders of textbox are a flat style and light blue. Is there any way of specifying something like this in the template? Ideally it would use the theme default (grey inset for Classic, flat and light blue for fischer price theme).

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  • Simple grid layout question

    - by Matt H.
    I can't believe I'm back to this after working with WPF for 3 months :) Consider very common setup: How do I configure the rowheights so that the top and bottom rows (menu bar and status bar) size to fit the height of their content, and the middle row (main content), fills the remaining available space in the program? I can't fix the height of the top/bottom rows because the height of their content can vary. <Window> <Grid> <Grid.RowDefinitions> <RowDefinition/> <RowDefinition/> <RowDefinition/> </Grid.RowDefinitions> <Menu Grid.Row=0> ...menuitems </Menu> <Grid Grid.Row=1> ...main application content here (like most programs) </Grid> <StatusBar> ...statusbaritems </StatusBar> </Grid> </Window>

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  • WPF scrollviewer

    - by Bert
    Is there a posibility to scroll to a specific place in a ScrollViewer from your code behind? So something like the Slider element you can change the value property...

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  • WPF TexBox TwoWay Binding Problem when ValidationRules used

    - by ignis
    I seem to have a problem with TwoWay DataBinding - my application has a window with a bunch of textboxes that allow to edit values of the properties they are bound to. Everything works well except for textboxes that also have a validation rule defined, in which case no text is displayed in the textbox when the window opens (binding back-to-source still works fine for those). If I remove Validation rule, everything's back to normal. I searched for an answer to this for a few hours now, but somehow did not even find anyone else complaining of the same issue. I am completely new to WPF, and I am sure it is just a silly mistake I have somewhere in my code... I will greatly appreciate any feedback... <TextBox Margin="40,2,20,0" Grid.Column="0" Grid.Row="1" Background="#99FFFFFF" > <Binding Path="LastName" Mode="TwoWay" ValidatesOnDataErrors="true" UpdateSourceTrigger="LostFocus" > <Binding.ValidationRules> <validation:StringNameValidationRule /> </Binding.ValidationRules> </Binding> </TextBox>

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  • Best practices for dimensioning control panels in WPF

    - by vizcaynot
    Hello: I defined a Window in WPF, into this one I put a "stack panel" and inside this panel I put a "tab control" and some "button controls". When executing the program, I would like that when I have to resize the window using the mouse, the stack panel and all controls inside it can also be resized automatically and proportionally to the window. How can I get this? Thanks!!

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  • How to customize the Visual Studio 2010 RC StartPage recent projects

    - by devlife
    I'd like to play around with customizing the visual studio 2010 rc start page recent items. For what I have in mind I'd need to customize the datasource / databinding but I can't find where the information is coming from. <ScrollViewer Grid.Row="1" HorizontalAlignment="Stretch" Style="{DynamicResource StartPage.ScrollViewerStyle}" VerticalAlignment="Stretch" VerticalScrollBarVisibility="Auto"> <sp:MruListBox DataContext="{Binding Path=RecentProjects}" ItemsSource="{Binding Path=Items}" Background="Transparent" BorderThickness="0" AutomationProperties.AutomationId="MruList"/> </ScrollViewer> Can anyone point me in the right direction? I see that it is binding to RecentProjects but where is that coming from?

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  • How do I change the spacing between fields in a DataForm?

    - by Simon_Weaver
    How do I change the spacing between fields in a DataForm in Silverlight? I've tried editing the template but cannot find what I need. I thought all I needed to do was change the MinHeight and Margin of the DataField style, but that doesn't seem to do it. <Style TargetType="dataFormToolkit:DataField"> <Setter Property="IsTabStop" Value="False"/> <Setter Property="Margin" Value="2"/> <Setter Property="MinHeight" Value="5"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="dataFormToolkit:DataField"> <ContentControl x:Name="ContentControl" Foreground="{TemplateBinding Foreground}" HorizontalContentAlignment="Stretch" IsTabStop="False" VerticalAlignment="Center"/> </ControlTemplate> </Setter.Value> </Setter> </Style> I've found a number of articles about styling DataForm but many of them seem to be out of date. I don't see anything in the complete extracted template in Blend that corresponds to spacing.

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  • How do I get a TextBox to only accept numeric input in WPF?

    - by Giffyguy
    I'm looking to accept digits and the decimal point, but no sign. I've looked at samples using the NumericUpDown control for WinForms, and this sample of a NumericUpDown custom control from Microsoft. But so far it seems like NumericUpDown (supported by WPF or not) is not going to provide the functionality that I want. The way my app is designed, nobody in their right mind is going to want to mess with the arrows. They don't make any practical sense, in the context of my app. So I'm looking for a simple way to make a standard WPF TextBox accept only the characters that I want. Is this possible? Is it practical? Thanks, SO!

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  • Modify a ListBox's item from a button in it's template?

    - by Maciek
    In my Silv erlight 3 project, I'm using a ListBox to display results of a Get() operation form a WCF WebService. The ListBox's item template is the following : <ListBox x:Name="m_listview" ItemsSource="{Binding Users, Mode=TwoWay, UpdateSourceTrigger=Default}" Foreground="{StaticResource EnergyBlue}" Background="{StaticResource EnergyBackground}" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Center" Grid.ColumnSpan="3" Margin="0,0,0,2" IsSynchronizedWithCurrentItem="False"> <ListBox.ItemTemplate> <DataTemplate> <Grid MinWidth="536" MinHeight="10" d:DesignWidth="19.875" d:DesignHeight="20.75"> <Grid.ColumnDefinitions> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> </Grid.ColumnDefinitions> <TextBox Text="{Binding Path=UserName, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="0" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <PasswordBox Password="{Binding Path=UserPass, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="1" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <TextBox Text="{Binding Path=UserTypeId, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="2" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <Button Style="{StaticResource EnergyGlassButton}" Grid.Column="3" MinWidth="10" MinHeight="10" Content="Update" Click="OnUpdateUser"/> <Button Style="{StaticResource EnergyGlassButton}" Grid.Column="4" MinWidth="10" MinHeight="10" Content="Remove" Click="OnRemoveUser"/> </Grid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> The template contains 2 buttons. When I click either of them, I'd like to obtain a reference to the exact data-item under the listboxitem. How do I do that? I've tried : User target_user = m_listview.SelectedItem as User; but it turned out that the listview item wasn't selected. Can it be done without actually selecting the listview item? For instance, just click on the "remove" button and have the row disappear? Best regards

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  • What are the BEST resources for learning WPF & .NET?

    - by dicroce
    I'm a longtime C/C++ Unix guy. I recently started work in a new position that's gonna eventually require C# and WPF (and probably some LINQ). What are the best resources to quickly come up to speed on all these Microsoft technologies? Years ago I read Petzold's book and loved it because it was so complete and by the end I really felt like I knew what I was doing... Is their something equivalent for the .NET world?

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  • Why is button background defaulting to grey when IsPressed is true

    - by Dave Colwell
    Hey all, I have a simple problem. Using the IsPressed trigger i want to be able to set the background color of a button to something other than the default grey. Here is what the button looks like when it is not pressed and here is what it looks like when it is clicked Here is the trigger for the button. I know the trigger is firing correctly because of the glow effect around the edge of the button when it is clicked. I also know that the brush is correct because i tried it out as a background brush to see what it looked like. <Style.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Background" Value="{DynamicResource ButtonHoverBrush}"/> <Setter Property="BitmapEffect" Value="{DynamicResource ButtonHoverGlow}"/> </Trigger> <!-- This is the trigger which is working but the background color wont change --> <Trigger Property="IsPressed" Value="True"> <Setter Property="BitmapEffect" Value="{DynamicResource ButtonHoverGlow}"/> <Setter Property="Background" Value="{DynamicResource ButtonPressedBrush}" /> </Trigger> </Style.Triggers>

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  • Is there any way to programitically change a Data/ItemTemplate in Silverlight?

    - by Kris Erickson
    So I have a Listbox, which is using an ItemTemplate to display an image. I want to be able to change the size of the displayed image in the ItemTemplate. Through databinding I can change the Width, but the only way I can see how to do this is to add a Property (Say, ImageSize) to the class I am binding to and then change every item in the colleciton to have a new ImageSize. Is there no way to access the property of an item in that Datatemplate? E.g. <navigation:Page.Resources> <DataTemplate x:Key="ListBoxItemTemplate"> <Viewbox Height="100" Width="100"> <Image Source="{Binding Image}"/> </Viewbox> </DataTemplate> </navigation:Page.Resources> <Grid> <ListBox ItemTemplate="{StaticResource ListBoxItemTemplate}" ItemSource="{Binding Collection}"/> </Grid> Is there anyway to set the Width and Height of the viewbox without binding a property to every element in the collection?

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  • Databinding combobox selected item to settings

    - by Tuukka
    I store user specified settings using application settings properties and databinding. It has been working fine, until i want user selected to font for combobox. Databinding between user settings and combobox not working. I want to store font family name. App.XML <Application.Resources> <ResourceDictionary> <properties:Settings x:Key="Settings" /> </ResourceDictionary> </Application.Resources> Window.XML <ComboBox Name="Families" ItemsSource="{x:Static Fonts.SystemFontFamilies}" <!-- This line --> SelectedItem="{Binding Source={StaticResource Settings}, Path=Default.Font, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Margin="57,122,199,118"> <ComboBox.ItemTemplate> <DataTemplate> <TextBlock Text="{Binding}" FontFamily="{Binding}"/> </DataTemplate> </ComboBox.ItemTemplate> </ComboBox> Settings: font String User Arial

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  • Sorting Listbox in Silverlight (Sketchflow)

    - by gnitez
    I have a Listbox with multiple columns and bound to a data source (XML) as shown below. <ListBox x:Name="lstBox1" Background="#FFC5EFFD" Margin="7,50,10,15" ItemTemplate="{StaticResource ItemsPanelTemplate1}" ItemsSource="{Binding BPICollection}" BorderThickness="0"/> I'm trying to figure out how to sort a particular column in the listbox.

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  • Binding list of objects to WPF ListView

    - by Dave Colwell
    Hi all, I have a list of objects which i want to bind to a ListView control in my WPF application. The Objects have a DataTemplate already, so no need to define that. The list of objects is a property in the codebehind file in the format list<object> When i add one object programatically, it appears fine. But when i try to bind the ItemSource of the ListBox to the list of objects, nothing shows up. I am using the following binding: ItemsSource="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}, Path=Portfolios}" where the name of the property i am trying to bind to is Portfolios and exists on the parent window

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  • Calling a datatrigger for a radio button inside a datagrid

    - by Farax
    I have a datagrid with one column having a radio button. I want to set the GroupName when a certain condition is reached. Below is the code <Custom:DataGrid.Columns> <!-- ONLY ENABLED WHEN THE ITEM TYPE IS SINGLESELECT OR SINGLESELECT WITH ADDIOTIONAL DATA--> <Custom:DataGridTemplateColumn CanUserResize="False" MinWidth="20" > <Custom:DataGridTemplateColumn.CellTemplate> <DataTemplate> <RadioButton IsChecked="{Binding IsChecked}" d:DesignWidth="16" d:DesignHeight="16" GroupName="SingleChoiceSelection" Template="{DynamicResource RadioButtonTemplate}" Background="{DynamicResource BackgroundNew}" BorderBrush="#FF7A7171" Foreground="#FF6C6C6C" Margin="0" /> </DataTemplate> </Custom:DataGridTemplateColumn.CellTemplate> </Custom:DataGridTemplateColumn> <Custom:DataGridTextColumn Header="Choices" Binding="{Binding ChoiceText}" CellStyle="{DynamicResource DataGridCellStyle2}" MinWidth="150" /> </Custom:DataGrid.Columns> </Custom:DataGrid> The ItemSource contains a property called isChecked and I want to change the foreground color when isChecked is changed to true. How do i do this with a datatrigger?

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  • x:Static markup extension

    - by plotnick
    I have a Window.Resource object and the next statement <CollectionViewSource Source="{Binding Source={x:Static Application.Current}, Path=someProperty}" x:Key="someView" /> But what if I need to point to a public property in the Window's code-behind, not the App's? I've tried to use 'this' instead of 'Application.Current', but it doesn't work. Help me...

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