xaml

Exception thrown: 'System.InvalidOperationException' in WindowsBase.dll

由 末鹿安然 提交于 2021-02-08 10:31:07
问题 I'm having trouble having something update in my WPF UI. The same part of the code that's throwing the exception works just fine in the other function. Now, for some reason, I can't figure out it's not only throwing an exception, it is also not updating like I want it to. I want the UI elements in the OnCPUDetEvent() function to update based off of the timer I have set up. Here's my code: using System; using System.Collections.Generic; using System.Management.Instrumentation; using System

How to use the DisplayMemberPath in a ListView with an ItemContainerStyle?

由 只谈情不闲聊 提交于 2021-02-08 10:21:25
问题 Within a ListView control, how to use the DisplayMemberPath property when I want to change the ItemContainerStyle ? I used a ListView control in the ControlTemplate of my control and the DisplayMemberPath property is set via Binding from outside of control. <ListView ItemsSource="{TemplateBinding ItemsSource}" DisplayMemberPath="{TemplateBinding DisplayMemberPath}"> <ListView.ItemsPanel> <ItemsPanelTemplate> <StackPanel Orientation="Horizontal" /> </ItemsPanelTemplate> </ListView.ItemsPanel>

Dynamic and static MenuItems, both in MainMenu and ContextMenu

由 余生颓废 提交于 2021-02-08 10:20:23
问题 I whould like to have a menu like the following: ┌──────────────────────────┐ │ MenuItem always the same │ │ <Separator /> │ │ MenuItem read from XML 1 │ │ MenuItem read from XML 2 │ │ MenuItem read from XML n │ └──────────────────────────┘ And this should be reused in a MainMenu and as a submenu of a ContextMenu also. I currently have the following in the XAML: <Window.Resources> <XmlDataProvider x:Key="ItemTypes" Source="C:\Config.xml" XPath="Configuration/ItemTypes/ItemType" />

Dynamic and static MenuItems, both in MainMenu and ContextMenu

由 流过昼夜 提交于 2021-02-08 10:19:08
问题 I whould like to have a menu like the following: ┌──────────────────────────┐ │ MenuItem always the same │ │ <Separator /> │ │ MenuItem read from XML 1 │ │ MenuItem read from XML 2 │ │ MenuItem read from XML n │ └──────────────────────────┘ And this should be reused in a MainMenu and as a submenu of a ContextMenu also. I currently have the following in the XAML: <Window.Resources> <XmlDataProvider x:Key="ItemTypes" Source="C:\Config.xml" XPath="Configuration/ItemTypes/ItemType" />

Xamarin WebView usually shows nothing

由 被刻印的时光 ゝ 提交于 2021-02-08 09:27:28
问题 public partial class Page : ContentPage { public Page(string filename) { if(... { WebView view = new WebView { Source = "http://xamarin.com" //Source = "http://www.google.com" /*Source = new HtmlWebViewSource { Html = @"<html><body> <h1>Test Code</h1> <p>The code is working.</p> </body></html>" }*/ }; Content = new StackLayout() { Children = { view } }; } else ... The page appears blank most of the time. In the xamarin.com example, after a long delay, the page fills in about 20% of the times

How to open another xamarin forms page form a item-click in a list view

由 故事扮演 提交于 2021-02-08 07:51:26
问题 Hello I have a List View that I made in Xamarin forms and all I want it to do is when the user clicks a option in the List View it take them to another Xamarin forms page in my case it would be ContactInfo heres my xaml: <?xml version="1.0" encoding="UTF-8"?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="WebSearch.CountySelect" Title="ReadyMo"> <StackLayout Padding="0,20,0,0"> <Label Text="ReadyMo" FontAttributes=

How to open another xamarin forms page form a item-click in a list view

由 你离开我真会死。 提交于 2021-02-08 07:51:25
问题 Hello I have a List View that I made in Xamarin forms and all I want it to do is when the user clicks a option in the List View it take them to another Xamarin forms page in my case it would be ContactInfo heres my xaml: <?xml version="1.0" encoding="UTF-8"?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="WebSearch.CountySelect" Title="ReadyMo"> <StackLayout Padding="0,20,0,0"> <Label Text="ReadyMo" FontAttributes=

How generate(binding) quiz in form using wpf mvvm

由 我怕爱的太早我们不能终老 提交于 2021-02-08 07:25:59
问题 How binding quiz with different type questions in WPF app using MVVM? QuizPageViewModel: public class QuizPageViewModel : ViewModelBase { public QuizPageViewModel() { QuizCollection = new ObservableCollection<QuizQuestion>(); } public ObservableCollection<QuizQuestion> QuizCollection { get; set; }} Where QuizQuestion : - EF Entity public partial class QuizQuestion { public QuizQuestion() { QuizAnswers = new HashSet<QuizAnswer>(); QuizMultiQuestions = new HashSet<QuizMultiQuestion>(); } public

How generate(binding) quiz in form using wpf mvvm

由 [亡魂溺海] 提交于 2021-02-08 07:23:54
问题 How binding quiz with different type questions in WPF app using MVVM? QuizPageViewModel: public class QuizPageViewModel : ViewModelBase { public QuizPageViewModel() { QuizCollection = new ObservableCollection<QuizQuestion>(); } public ObservableCollection<QuizQuestion> QuizCollection { get; set; }} Where QuizQuestion : - EF Entity public partial class QuizQuestion { public QuizQuestion() { QuizAnswers = new HashSet<QuizAnswer>(); QuizMultiQuestions = new HashSet<QuizMultiQuestion>(); } public

How generate(binding) quiz in form using wpf mvvm

由 帅比萌擦擦* 提交于 2021-02-08 07:20:08
问题 How binding quiz with different type questions in WPF app using MVVM? QuizPageViewModel: public class QuizPageViewModel : ViewModelBase { public QuizPageViewModel() { QuizCollection = new ObservableCollection<QuizQuestion>(); } public ObservableCollection<QuizQuestion> QuizCollection { get; set; }} Where QuizQuestion : - EF Entity public partial class QuizQuestion { public QuizQuestion() { QuizAnswers = new HashSet<QuizAnswer>(); QuizMultiQuestions = new HashSet<QuizMultiQuestion>(); } public
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