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This commit is contained in:
syneffort
2023-08-11 17:16:51 +09:00
parent 6079621243
commit c81bfdf64e
13 changed files with 392 additions and 0 deletions
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9
PacticeSolution/TreeViewSample/App.xaml Normal file
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<Application x:Class="TreeViewSample.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:TreeViewSample"
StartupUri="MainWindow.xaml">
<Application.Resources>
</Application.Resources>
</Application>

17
PacticeSolution/TreeViewSample/App.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespace TreeViewSample
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
}
}

10
PacticeSolution/TreeViewSample/AssemblyInfo.cs Normal file
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using System.Windows;
[assembly: ThemeInfo(
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
//(used if a resource is not found in the page,
// or application resource dictionaries)
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
//(used if a resource is not found in the page,
// app, or any theme specific resource dictionaries)
)]

66
PacticeSolution/TreeViewSample/MainWindow.xaml Normal file
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<Window x:Class="TreeViewSample.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:TreeViewSample"
mc:Ignorable="d"
Title="MainWindow" Height="400" Width="400">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<TreeView Grid.Row="0" Margin="10">
<TreeViewItem Header="Level 1" IsExpanded="True">
<TreeViewItem Header="Level 2.1"/>
<TreeViewItem Header="Level 2.2" IsExpanded="True">
<TreeViewItem Header="Level 3.1"/>
<TreeViewItem Header="Level 3.2"/>
</TreeViewItem>
<TreeViewItem Header="Level 2.3"/>
</TreeViewItem>
</TreeView>
<TreeView Grid.Row="1" Margin="10">
<TreeViewItem IsExpanded="True">
<TreeViewItem.Header>
<StackPanel Orientation="Horizontal">
<Ellipse Width="10" Height="10" Margin="0 0 10 0" Fill="LightBlue"/>
<TextBlock Text="Level 1 (Blue)"/>
</StackPanel>
</TreeViewItem.Header>
<TreeViewItem>
<TreeViewItem.Header>
<StackPanel Orientation="Horizontal">
<TextBlock Text="Level 2.1" Foreground="Blue"/>
</StackPanel>
</TreeViewItem.Header>
</TreeViewItem>
<TreeViewItem IsExpanded="True">
<TreeViewItem.Header>
<StackPanel Orientation="Horizontal">
<Ellipse Width="10" Height="10" Margin="0 0 10 0" Fill="LightGreen"/>
<TextBlock Text="Level 2.2 (Green)" Foreground="Green"/>
</StackPanel>
</TreeViewItem.Header>
<TreeViewItem>
<TreeViewItem.Header>
<TextBlock Text="Level 3.1" Foreground="Red"/>
</TreeViewItem.Header>
</TreeViewItem>
<TreeViewItem>
<TreeViewItem.Header>
<TextBlock Text="Level 3.2" Foreground="Red"/>
</TreeViewItem.Header>
</TreeViewItem>
</TreeViewItem>
</TreeViewItem>
</TreeView>
<TreeView x:Name="trvStructure" Grid.Row="2" Margin="10"
TreeViewItem.Expanded="trvStructure_Expanded"/>
</Grid>
</Window>

72
PacticeSolution/TreeViewSample/MainWindow.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace TreeViewSample
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
InitInstance();
}
private void InitInstance()
{
DriveInfo[] drives = DriveInfo.GetDrives();
foreach (DriveInfo drive in drives)
{
trvStructure.Items.Add(CreateTreeItem(drive));
}
}
private TreeViewItem CreateTreeItem(object obj)
{
TreeViewItem item = new TreeViewItem();
item.Header = obj.ToString();
item.Tag = obj;
item.Items.Add("Loading...");
return item;
}
private void trvStructure_Expanded(object sender, RoutedEventArgs e)
{
TreeViewItem item = e.Source as TreeViewItem;
if (item.Items.Count != 1 || !(item.Items[0] is string))
return;
item.Items.Clear();
DirectoryInfo expandedDir = null;
if (item.Tag is DriveInfo)
expandedDir = (item.Tag as DriveInfo).RootDirectory;
if (item.Tag is DirectoryInfo)
expandedDir = (item.Tag as DirectoryInfo);
try
{
foreach (DirectoryInfo subDir in expandedDir.GetDirectories())
item.Items.Add(CreateTreeItem(subDir));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}

10
PacticeSolution/TreeViewSample/TreeViewSample.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWPF>true</UseWPF>
</PropertyGroup>
</Project>