WPF中TreeView控件的使用案例
标签：tostring 地址 目录 添加图标 nts down 后端 model 添加
WPF总体来说还是比较方便的，其中变化最大的主要是Listview和Treeview控件，而且TreeView似乎在WPF是一个备受指责的控件，很多人说他不好用。我这个demo主要是在wpf中使用TreeView控件实现图片查看功能，简单的Grid布局、TreeView控件添加图标、TreeView控件的一些事件、显示统计、还有就是读取文件操作。
效果图：
前端主要代码：
后端TreeView控件事件代码
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;
using TreeViewDemo.ViewModel;
namespace TreeViewDemo
{
///
/// MainWindow.xaml 的交互逻辑
///
public partial class MainWindow : Window
{
MainWindowViewModel viewModel = new MainWindowViewModel();
List fileTreeData = new List();
public MainWindow()
{
InitializeComponent();
}
///
/// 每一天照片统计
///
public static int total = 0;
///
/// 获取照片目录集合
///
///
///
///
public List GetAllFiles(DirectoryInfo dir, FileTreeModel d)
{
List FileList = new List();
FileInfo[] allFile = dir.GetFiles();
total = allFile.Count();
foreach (FileInfo fi in allFile)
d.Subitem.Add(new FileTreeModel() { FileName = fi.Name, FilePath = fi.FullName, FileType = (int)FieleTypeEnum.Picture, Icon = "../refresh/picture.ico" });
DirectoryInfo[] allDir = dir.GetDirectories();
foreach (DirectoryInfo dif in allDir)
{
FileTreeModel fileDir = new FileTreeModel() { FileName = dif.Name, FilePath = dif.FullName, FileType = (int)FieleTypeEnum.Folder, Icon = "../refresh/folder.ico" };
GetAllFiles(dif, fileDir);
fileDir.SubitemCount = string.Format($"({total})");
FileList.Add(fileDir);
}
return FileList;
}
///
/// Tab选择事件
///
///
///
private void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
if (e.AddedItems != null && e.AddedItems.Count > 0)
{
if (e.AddedItems[0] is TabItem)
{
TabItem tabItem = e.AddedItems[0] as TabItem;
if (tabItem.Header.ToString() == "过磅记录")
{
}
if (tabItem.Header.ToString() == "照片预览")
{
string dataDir = AppDomain.CurrentDomain.BaseDirectory + "ImageLogs\\";
fileTreeData = GetAllFiles(new System.IO.DirectoryInfo(dataDir), new FileTreeModel()).OrderByDescending(s=>s.FileName).ToList();
this.departmentTree.ItemsSource = fileTreeData;
}
}
}
}
}
///
/// 文件树选中事件
///
///
///
private void departmentTree_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
try
{
if (departmentTree.SelectedItem != null)
{
FileTreeModel selectedTnh = departmentTree.SelectedItem as FileTreeModel;
viewModel.Model.SelectFileleName = selectedTnh.FileName;
if (selectedTnh.FileType == (int)FieleTypeEnum.Picture)
{
BitmapImage imagesouce = new BitmapImage();
imagesouce = new BitmapImage(new Uri(selectedTnh.FilePath));//Uri("图片路径")
MyImage.Source = imagesouce.Clone();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
// 绑定数据源
this.DataContext = viewModel;
}
}
}
代码下载地址：https://download.csdn.net/download/qingchundaima/10671993
WPF中TreeView控件的使用案例
标签：tostring 地址 目录 添加图标 nts down 后端 model 添加
原文地址：https://www.cnblogs.com/wendj/p/9667122.html
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