xaml | 易学教程

Space in StringFormat

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问题 I'm looking to add a comma and one 'space' after a binding. I have the comma after the binding but I cannot work out at all how to do a 'space'. This is what I have; <TextBlock Text="{Binding Name, StringFormat={}{0:\,}\,}" /> Could someone please inform me on how to add a 'space' after the comma? I have tried literally adding a space in the XAML but this does not work. 回答1: XAML trims the string of whitespace unless you tell it where the string ends. Surround your string with single quotes.

How to close Tab with a close button in WPF?

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问题 I am working on a WPF app where it creates new tab upon clicking a button. That is working fine. I am having hard time in figuring out how to have a close button, like a X next to the Tab header and close the selected tab? MainWindow.xaml <Grid> <StackPanel Name="listConnections" Grid.Column="0" Background="#4682b4" Margin="0,0,0,-0.2" > </StackPanel> <TabControl Name="tabConnections" Grid.Column="1" TabStripPlacement="Top" Margin="0,0,0.4,-0.2"> </TabControl> </Grid> </Window> add Tab method

Nested WPF DataGrids

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问题 I have a DataGrid (from the toolkit) and I want to nest another DataGrid in the DataGrid.RowDetailsTemplate. The trick is I want to bring back the data from one table in the main grid and then based on row selection go and get additonal detail from a different table and show it in the DataGrid in the detail template. This is easy enough to do in 2 seperate DataGrids but I am having trouble getting it to work with the nested version. Is this even possible? If so, could someone point me in the

Animate color property with different brushes

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问题 I have the following in a ControlTemplate.Resources : <ColorAnimation Storyboard.TargetName="border" Storyboard.TargetProperty="Background.(SolidColorBrush.Color)" To="Orange" Duration="0:0:0.2" /> It works all right if the original background that I wanted to change to orange was a solid color. But I'd also want to have this work when the original background is a LinearGradientBrush . In this second case, the animation tries to change the property in vain, nothing happens. How can I specify

Animate color property with different brushes

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Styling WPF OxyPlot PlotViews in XAML

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问题 When setting up an OxyPlot plot view, you can either define the plot explicitly through various controls, or set it up through a binding to a PlotModel . As such, in the first case, the XAML for a plot of two LineSeries objects could look something like <oxy:Plot Title="Some plot"> <oxy:Plot.Axes> <oxy:LinearAxis Position="Left" /> <oxy:LinearAxis Position="Bottom" /> </oxy:Plot.Axes> <oxy:Plot.Series> <oxy:LineSeries ItemsSource="{Binding ActualSeriesData1}" DataFieldX="X" DataFieldY="Y"/>

Binding SelectedItems in ListView to a ViewModel in Windows Phone 8.1

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问题 I have the following code: <ListView SelectionMode="Multiple" ItemsSource="{Binding MyList}" ItemTemplate="{StaticResource MyListTemplate}"> <ListView.ItemContainerStyle> <Style TargetType="ListViewItem"> <Setter Property="IsSelected" Value="{Binding Mode=TwoWay, Path=IsSelected}"/> </Style> </ListView.ItemContainerStyle> </ListView> With the following DataTemplate: <Page.Resources>  <DataTemplate x:Key="MyListTemplate"> <Grid> <Grid.ColumnDefinitions>

XAML MSBuild task XamlMarkupCompilePass1 fails in parallel MSBuild and throws error Access denied

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问题 We have several projects containing XAML UI and XAML workflow files. Since we enabled execution of MSBuild in parallel, with the flag /m the builds, from time to time we get an exception in the MSBuild task XamlMarkupCompilePass1 ##[error]C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Xaml.targets(193,5): Error XC1000: XC1020: Build error occurred in the XAML MSBuild task: 'Could not load file or assembly 'file:///C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\

Convert an image to XAML?

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问题 Does anyone know of any way to convert a simple gif to xaml? E.G. A tool that would look at an image and create elipses, rectangles and paths based upon a gif / jpg / bitmap? 回答1: Illustrator has a trace tool which will do this a cheaper option might be http://vectormagic.com it will export a svg that you should be able to convert to xaml 回答2: Inkscape can trace bitmaps, and can save directly to XAML. And, it happens to be free. I've used it to trace a lot of bitmaps and it's worked really

WPF XAML

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xmlns 在xml中专门用于声明名字控件， xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 是WPF的核心名字空间,它包含所有WPF类，包括用于构建用户界面的控件 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 是XAML名字空间，包含各种XAML实用特性，之后会有x:Class ,x:Name等 ,x就表示这个命名空 XAML名字空间中的Class 告诉XAML编译器生成一个新Applicaion类（Partial类）用于事件处理，我们可以提供Class的Partial类的其他实现, x名字空间的主要内容如下： attribute类： x:Class:告诉窗口编译成类，如上 x:ClassModifier：编译成的类的访问权限，public,internal,private等 x:Name:编译成类的属性 x:FieldModifier：修饰属性的访问权限 x:key：用于检索资源的key x:Shared:声明资源是否共享，与x:key配合使用标记扩展类: x:Array :数组标签类型 x:Static：表示静态成员 x:Type:表示类型 x:nul: WPF Xaml的标记扩展常用的包括：StaticResource