expander | 易学教程

Can't get WPF Listview to collapse when expanders in the listview collapse

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问题 I have a wpf ListView with two Expander s in it. When the expanders expand the listview makes room for the content. When they collapse the listview does not "take back" that extra space. I have set HorizontalAlignment and VerticalAlignment to Stretch everywhere. Is there a way to do this? The Details and Chart columns contain the expanders. See code below. Thanks. Here at <Window.Resources> <DataTemplate x:Key="StockPriceChangeCell"> <StackPanel Orientation="Horizontal"> <Label Name=

Can't get WPF Listview to collapse when expanders in the listview collapse

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jQuery expander with max-lines property

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问题 I really thinks jQuery Expander plugin is great but it can't do satisfy my needs. It cuts text and put a "read more" button after the text which expands the text. But it only cuts when the text length is more than a specified value. But what if the text is: Some text: Blah blah The text use as much space as a text with many characters but the Expander will not cut it off. I want to have a max lines property so I can restrict both on text length and max lines. Any plugin suggestions? 回答1: I

How to align WPF Expander control toggle button

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问题 Hi I was wondering is it possible to align the toggle button on a WPF expander control to the far right side? 回答1: With WPF all things are possible. ;) Unfortunately not all things are simple. Your best bet here is to re-template the expander. Start out by copying the default Expander template, found here. Next, find the Grid that contains 2 columns, one containing a ToggleButton and the other containing a ContentPresenter . Swap the columns so the toggle is in column 1. Then change the

WPF - Expand Window to the Left

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问题 I have a WPF window with expandable panel (via Expander ). The panel is on the left side of the window, and when expanded the window grows to fit the content. By default, windows are anchored to the top-left, so my window grows to the right. I'd like the window to grow to the left. I tried to do the following in the Window.SizeChanged event: private void onWindowSizeChanged(object sender, SizeChangedEventArgs e) { Left -= (e.NewSize.Width - e.PreviousSize.Width) } and it works, but the growth

springcloud feign 解决多对象入参的情况

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 背景业务分割创建一个新的项目，希望引用新的技术栈(使用springcloud 全家桶,因项目原因暂时无法升级到springboot2.0 所以这里rpc使用feign)，但还是沿用之前的rpc接口入参(原rpc框架为thrift) 出现的问题原rpc接口存在多个对象入参的情况下面演示如何使用feign解决多对象入参的情况这里使用的是SpringMvcContract feign.Contract.Default 风格变化太大暂时未使用也会介绍此契约传多个对象的情况注意因为入参格式改变了，对应的提供者也需要做出对应的参数解析可以在提供者自定义注解解析参数，网上有大量案例 SpringMvcContract 支持springmvc中那样使用注解这里只列举参数上的注解 @PathVariable @RequestHeader @RequestParam feign对以上参数进行了兼容若没有使用注解默认是Body parameters 三个注解分别实现了AnnotatedParameterProcessor接口对应的类如下 PathVariableParameterProcessor RequestHeaderParameterProcessor

how to dynamically change rectangle color in Expander?

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问题 I have an Expander in which i have Rectangle with color. i want to change dynamically after some functionality. how to change it on run time ? <Windows.Resources> <ControlTemplate x:Key="SimpleExpanderButtonTemp" TargetType="{x:Type ToggleButton}"> <Border x:Name="ExpanderButtonBorder" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}" > <Grid> <Grid.ColumnDefinitions>

How can I group GridViewColumns in WPF, so the expander fills the whole width

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问题 I am new to WPF and try to do the following: I have a ListView with a ItemsSource using a ViewModel. Inside, there is a GridView with Columns. Each Column represents a Preoperty of the View Model. But the Description is optional and can be rather long. So I want to use a Expander. My Problem is, that I can only manage the expander to be as big as the Name-Column. But I want the expander to be as big as the whole row. Here are 2 Images to clarify what I want. My current State: https://i.stack

Making a collection of WPF Expanders 'expand' exclusively, i.e. only one expanded at a time

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问题 I have a ListBox containing a group of 'Expander' items, and what I would like to do is make the IsExpanded property for each of them exclusive. For example, if I have 10 Expanders in the ListBox , I'd like only one to be open at a time. Here is what I have so far: <Window> <Window.Resources> <DataTemplate x:Key="NormalTemplate"> <Expander Margin="0" IsExpanded="True" Header="{Binding Model.Name}" Background="Green"> <Grid> <StackPanel HorizontalAlignment="Stretch"> <TextBlock Text="{Binding

WPF Expand specific Expander inside Listview

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问题 I have a listview in which's groupstyle, i have defined an expander(code below), i programmatically add many items to the listview which get added to the appropriate expander and if the expander does not exist fo the new item, it gets created dynamically. <ListView.GroupStyle> <GroupStyle> <GroupStyle.ContainerStyle> <Style TargetType="{x:Type GroupItem}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type GroupItem}"> <Expander IsExpanded="True" > <Expander