How do I use an array from code in the xaml file? C#

How do I use an array from code in the xaml file? C#

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How do I use an array from code in the xaml file? C#
Tag : chash , By : Mr. Tacos
Date : November 27 2020, 11:01 PM

To fix the issue you can do Using arrays in XAML is quite simple: first you declare your margins array as a public property of your Window:
public Thickness[] MyArray { get; set; }
MyArray = new Thickness[50];
MyArray[0] = new Thickness(5, 5, 5, 5);
MyArray[1] = new Thickness(10, 10, 10, 10);
// ...
DataContext = this;
<TextBox x:Name="TextBox1" Margin="{Binding MyArray[0]}" />
<TextBox x:Name="TextBox2" Margin="{Binding MyArray[1]}" />
public ObservableCollection<Thickness> MyCollection { get; set; }

public MainWindow()

    MyCollection = new ObservableCollection<Thickness>();
    MyCollection.Add(new Thickness(5, 5, 5, 5));
    MyCollection.Add(new Thickness(10, 10, 10, 10));
    // ...
    DataContext = this;
<TextBox x:Name="TextBox1" Margin="{Binding MyCollection[0]}" />
<TextBox x:Name="TextBox2" Margin="{Binding MyCollection[1]}" />

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create X.xaml and X.xaml.cs files vs should understand they are xaml and code behind

Tag : chash , By : Yst
Date : March 29 2020, 07:55 AM
will be helpful for those in need This is because Visual Studio doesn't know they are associated. It's just a naming convention to have .xaml and .xaml.cs. IN the project file you need to enforce the relationship via:
<Compile Include="NodeControl.xaml.cs">

Merge XAML file into Xaml code

Tag : wpf , By : Bado
Date : March 29 2020, 07:55 AM
this will help I want to merge one XAML file, that only contains styles into the Window.Resource of my application. I tried using MergedDictionaries as described in WPF Reference custom resource defined in another xaml file . , Here is a demo wpf project:
 |--MyStyle[here is a floder]
              <!--add style file here like this-->
              <ResourceDictionary Source="/MyStyle/MyStyleDocument1.xaml" />

How are XAML elements accessed from code behind in a different XAML file?

Tag : wpf , By : nagre
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , What are you trying to do here? The code you posted has got nothing to do with accessing "XAML objects in another file". The Application.Properties property is just a dictionary for sharing data, in a thread-safe fashion between different parts of your application. It is very rarely used in my experience - in fact I have never seen it used. You are getting a null exception because you probably haven't added the 'favoritesItem' to the dictionary first.
If you want to access a named XAML element from another class you will need to expose it via a public property. (Named XAML elements create private member fields in their defining class).

Loading a grid in xaml code from a file, then making it active in main code

Tag : chash , By : Thierry Brunet
Date : March 29 2020, 07:55 AM
I wish this helpful for you A really simple solution would just be to house each of your rooms inside a user control and then place the control into your container grid when you need to change rooms. Here's the rough idea:
public partial class MainWindow : Window
    UserControl _currentRoom;  

    public MainWindow()

    protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
         _currentRoom = null;

        if (e.LeftButton == MouseButtonState.Pressed)
            _currentRoom = new Room1(); 
        if(e.RightButton == MouseButtonState.Pressed) 
            _currentRoom = new Room2(); 


<UserControl x:Class="Test.Room1"
         d:DesignHeight="300" d:DesignWidth="300">
    <Button Height="100" Width="100">
        Hello world!

Use UIElement from XAML file in a window's XAML code

Tag : chash , By : gorbiz
Date : March 29 2020, 07:55 AM
Hope this helps
You may perhaps bind the Content property of a ContentControl, with a Binding Converter that returns the result of XamlReader.Load.
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