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ChanyaVRCChanyaVRC
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Add a sample for changing the avatar.
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‎ExpressionAvatarChanger/App.xaml‎

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<Application x:Class="ExpressionAvatarChanger.App"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:local="clr-namespace:ExpressionAvatarChanger"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>

‎ExpressionAvatarChanger/App.xaml.cs‎

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using System.Configuration;
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using System.Data;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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namespace ExpressionAvatarChanger;
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/// <summary>
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/// Interaction logic for App.xaml
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/// </summary>
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public partial class App : Application
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{
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}
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‎ExpressionAvatarChanger/AssemblyInfo.cs‎

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using System.Windows;
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[assembly: ThemeInfo(
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ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
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//(used if a resource is not found in the page,
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// or application resource dictionaries)
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ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
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//(used if a resource is not found in the page,
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// app, or any theme specific resource dictionaries)
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)]

‎ExpressionAvatarChanger/Avatar.cs‎

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using System.Collections.Immutable;
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using BuildSoft.VRChat.Osc;
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namespace ExpressionAvatarChanger;
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public record class Avatar(string Id, string Name, IImmutableList<(string, OscType)> Parameters);

‎ExpressionAvatarChanger/AvatarCollection.cs‎

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using System.Collections;
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using System.Collections.Immutable;
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using BuildSoft.VRChat.Osc.Avatar;
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namespace ExpressionAvatarChanger;
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public class AvatarCollection : IList<Avatar>
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{
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private readonly List<Avatar> _items = [];
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public AvatarCollection()
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{
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}
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public AvatarCollection(IEnumerable<Avatar> collection) : this()
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{
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AddRange(collection);
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}
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public AvatarCollection(IEnumerable<OscAvatarConfig> collection) : this()
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{
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AddRange(collection);
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}
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public Avatar this[int index]
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{
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get => _items[index];
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set => _items[index] = value;
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}
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public int Count => _items.Count;
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bool ICollection<Avatar>.IsReadOnly => false;
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public void Add(Avatar item)
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{
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ArgumentNullException.ThrowIfNull(item, nameof(item));
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_items.Add(item);
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}
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public void Add(OscAvatarConfig item)
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{
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ArgumentNullException.ThrowIfNull(item, nameof(item));
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var parameters = item.Parameters.Items
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.Where(v => v.Input != null)
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.Select(v => (v.Name, v.Input!.OscType))
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.ToImmutableArray();
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_items.Add(new(item.Id, item.Name, parameters));
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}
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public void AddRange(IEnumerable<Avatar> collection)
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{
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ArgumentNullException.ThrowIfNull(collection, nameof(collection));
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if (collection is ICollection<Avatar> c)
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{
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if (_items.Capacity < _items.Count + c.Count)
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{
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_items.Capacity = _items.Count + c.Count;
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}
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}
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foreach (var item in collection)
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{
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ArgumentNullException.ThrowIfNull(item, nameof(collection));
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Add(item);
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}
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}
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public void AddRange(IEnumerable<OscAvatarConfig> collection)
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{
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ArgumentNullException.ThrowIfNull(collection, nameof(collection));
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if (collection is ICollection<OscAvatarParameter> c)
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{
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if (_items.Capacity < _items.Count + c.Count)
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{
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_items.Capacity = _items.Count + c.Count;
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}
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}
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foreach (var item in collection)
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{
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ArgumentNullException.ThrowIfNull(item, nameof(collection));
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Add(item);
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}
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}
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public void Clear() => _items.Clear();
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public bool Contains(Avatar item) => _items.Contains(item);
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public void CopyTo(Avatar[] array, int arrayIndex) => _items.CopyTo(array, arrayIndex);
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public IEnumerator<Avatar> GetEnumerator() => _items.GetEnumerator();
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public int IndexOf(Avatar item) => _items.IndexOf(item);
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public void Insert(int index, Avatar item)
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{
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ArgumentNullException.ThrowIfNull(item);
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_items.Insert(index, item);
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}
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public bool Remove(Avatar item) => _items.Remove(item);
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public void RemoveAt(int index) => _items.RemoveAt(index);
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IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
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}

‎ExpressionAvatarChanger/ExpressionAvatarChanger.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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<TargetFramework>net9.0-windows</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<UseWPF>true</UseWPF>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\src\VRCOscLib\VRCOscLib\vrcosclib.csproj" />
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</ItemGroup>
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</Project>

‎ExpressionAvatarChanger/MainWindow.xaml‎

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<Window x:Class="ExpressionAvatarChanger.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:ExpressionAvatarChanger"
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mc:Ignorable="d"
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Title="MainWindow" Height="450" Width="800"
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Loaded="Window_Loaded">
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<StackPanel>
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<Label Content="Expression Avatar Changer"/>
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<StackPanel Margin="12">
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="50"/>
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<ColumnDefinition Width="2*" MaxWidth="300"/>
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<ColumnDefinition/>
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<ColumnDefinition/>
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<ColumnDefinition Width="80"/>
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<ColumnDefinition Width="100"/>
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</Grid.ColumnDefinitions>
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<Label Grid.Column="0" Content="Active"/>
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<Label Grid.Column="1" Content="Avatar ID"/>
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<Label Grid.Column="2" Content="Avatar Name"/>
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<Label Grid.Column="3" Content="Parameter Name"/>
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<Label Grid.Column="4" Content="Type"/>
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<Label Grid.Column="5" Content="Value"/>
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<StackPanel Grid.Column="5" Orientation="Horizontal" HorizontalAlignment="Right">
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<Button Width="20" Height="20" Margin="2" Click="AddContentButton_Click">+</Button>
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<Button Width="20" Height="20" Margin="2" Click="RemoveContentButton_Click">-</Button>
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</StackPanel>
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</Grid>
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<StackPanel x:Name="InputPanel">
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<local:TriggerInputItem/>
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</StackPanel>
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</StackPanel>
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</StackPanel>
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</Window>

‎ExpressionAvatarChanger/MainWindow.xaml.cs‎

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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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using BuildSoft.VRChat.Osc.Avatar;
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namespace ExpressionAvatarChanger;
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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AvatarCollection? _avatars;
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AvatarCollection AvatarList => _avatars ??= new(OscAvatarConfig.CreateAll());
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public MainWindow()
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{
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InitializeComponent();
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}
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private void AddContentButton_Click(object sender, RoutedEventArgs e)
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{
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var triggerInput = new TriggerInputItem() { AvatarList = AvatarList };
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if (InputPanel.Children.Count > 0)
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{
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var lastItem = (TriggerInputItem)InputPanel.Children[^1];
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triggerInput.AvatarId = lastItem.AvatarId;
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triggerInput.AvatarName = lastItem.AvatarName;
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triggerInput.ParameterName = lastItem.ParameterName;
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triggerInput.ThresholdType = lastItem.ThresholdType;
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triggerInput.Threshold = lastItem.Threshold;
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}
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InputPanel.Children.Add(triggerInput);
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}
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private void RemoveContentButton_Click(object sender, RoutedEventArgs e)
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{
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if (InputPanel.Children.Count <= 0)
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{
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return;
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}
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var item = (TriggerInputItem)InputPanel.Children[^1];
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item.IsActive = false;
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InputPanel.Children.Remove(item);
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}
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private void Window_Loaded(object sender, RoutedEventArgs e)
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{
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foreach (var item in InputPanel.Children)
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{
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if (item is not TriggerInputItem triggerInput)
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{
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continue;
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}
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triggerInput.AvatarList = AvatarList;
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}
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}
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}

‎ExpressionAvatarChanger/TriggerInputItem.xaml‎

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<UserControl x:Class="ExpressionAvatarChanger.TriggerInputItem"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:local="clr-namespace:ExpressionAvatarChanger"
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xmlns:osc="clr-namespace:BuildSoft.VRChat.Osc;assembly=vrcosclib"
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xmlns:sys="clr-namespace:System;assembly=System.Runtime"
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mc:Ignorable="d" d:DesignWidth="800">
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<UserControl.Resources>
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<ResourceDictionary>
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</ResourceDictionary>
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</UserControl.Resources>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="50"/>
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<ColumnDefinition Width="2*" MaxWidth="300"/>
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<ColumnDefinition/>
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<ColumnDefinition/>
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<ColumnDefinition Width="80"/>
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<ColumnDefinition Width="100"/>
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</Grid.ColumnDefinitions>
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<CheckBox Grid.Column="0" Margin="10,2" IsChecked="{Binding IsActive, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}" VerticalAlignment="Center" HorizontalAlignment="Center"/>
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<ComboBox x:Name="AvatarIdComboBox" Grid.Column="1" Margin="10,2"
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Text="{Binding AvatarId, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}"
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IsEditable="True"
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ItemsSource="{Binding AvatarIdList}"
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SelectionChanged="AvatarIdComboBox_SelectionChanged"
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TextBoxBase.TextChanged="InactiveOnTextChanged"/>
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<ComboBox x:Name="AvatarNameComboBox" Grid.Column="2" Margin="10,2"
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Text="{Binding AvatarName, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}"
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IsEditable="True"
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ItemsSource="{Binding AvatarNameList}"
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SelectionChanged="AvatarNameComboBox_SelectionChanged"
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TextBoxBase.TextChanged="InactiveOnTextChanged"/>
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<ComboBox x:Name="ParameterNameComboBox" Grid.Column="3" Margin="10,2"
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Text="{Binding ParameterName, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}"
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IsEditable="True"
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ItemsSource="{Binding ParameterList}"
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SelectionChanged="ParameterNameComboBox_SelectionChanged"
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TextBoxBase.TextChanged="InactiveOnTextChanged"/>
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<ComboBox x:Name="ThresholdTypeComboBox" Grid.Column="4" Margin="10,2"
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Text="{Binding ThresholdType, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}"
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IsEditable="False"
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TextBoxBase.TextChanged="InactiveOnTextChanged">
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<ComboBoxItem Content="{x:Static osc:OscType.Bool}"></ComboBoxItem>
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<ComboBoxItem Content="{x:Static osc:OscType.Int}"></ComboBoxItem>
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<ComboBoxItem Content="{x:Static osc:OscType.Float}"></ComboBoxItem>
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</ComboBox>
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<ComboBox x:Name="ThresholdComboBox" Grid.Column="5" Margin="10,2" Text="{Binding Threshold, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}" TextBoxBase.TextChanged="InactiveOnTextChanged">
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<Control.Style>
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<Style TargetType="ComboBox">
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<Setter Property="IsEditable" Value="True"/>
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<Style.Triggers>
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<DataTrigger Binding="{Binding ThresholdType,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:TriggerInputItem}}}" Value="{x:Static osc:OscType.Bool}">
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<Setter Property="ItemsSource">
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<Setter.Value>
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<x:Array Type="sys:String">
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<sys:String>True</sys:String>
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<sys:String>False</sys:String>
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</x:Array>
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</Setter.Value>
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</Setter>
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<Setter Property="IsEditable" Value="False"/>
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</DataTrigger>
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</Style.Triggers>
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</Style>
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</Control.Style>
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</ComboBox>
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</Grid>
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</UserControl>

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