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FarjanaParveenFarjanaParveen
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Merge pull request #1 from vijayarasan/main
How to get a tree node in mouse double click event in WPF TreeGrid (SfTreeGrid)?
2 parents af0f3de + 7b9223e commit eb59108

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‎App.config‎

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
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</startup>
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</configuration>

‎App.xaml‎

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<Application x:Class="SfTreeGridDemo.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:SfTreeGridDemo"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>

‎App.xaml.cs‎

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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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namespace SfTreeGridDemo
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{
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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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}

‎GetTreeNodeViewMouseDoubleClick.gif‎

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‎MainWindow.xaml‎

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<Window x:Class="SfTreeGridDemo.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:SfTreeGridDemo"
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xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
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mc:Ignorable="d"
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Title="MainWindow" Height="450" Width="1000">
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<Window.DataContext>
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<local:ViewModel />
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</Window.DataContext>
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<Grid>
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<syncfusion:SfTreeGrid Name="treeGrid"
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AutoGenerateColumns="False"
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AllowEditing="True"
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ChildPropertyName="ReportsTo"
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ParentPropertyName="ID"
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ItemsSource="{Binding Employees}"
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SelfRelationRootValue="-1"
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AllowDraggingRows="True"
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AllowDrop="True">
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<syncfusion:SfTreeGrid.Columns>
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<syncfusion:TreeGridTextColumn MappingName="FirstName" HeaderText="First Name" />
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<syncfusion:TreeGridTextColumn MappingName="LastName" HeaderText="Last Name" />
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<syncfusion:TreeGridCheckBoxColumn MappingName="IsSelected" HeaderText="Is Selected" />
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<syncfusion:TreeGridTextColumn MappingName="ID" HeaderText="ID" />
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<syncfusion:TreeGridTextColumn MappingName="Title" HeaderText="Title" />
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<syncfusion:TreeGridCurrencyColumn MappingName="Salary" HeaderText="Salary" />
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<syncfusion:TreeGridTextColumn MappingName="ReportsTo" HeaderText="Reports To" />
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</syncfusion:SfTreeGrid.Columns>
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</syncfusion:SfTreeGrid>
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</Grid>
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</Window>

‎MainWindow.xaml.cs‎

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using Syncfusion.UI.Xaml.TreeGrid;
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using Syncfusion.UI.Xaml.TreeGrid.Helpers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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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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namespace SfTreeGridDemo
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{
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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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public MainWindow()
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{
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InitializeComponent();
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this.treeGrid.MouseDoubleClick += TreeGrid_MouseDoubleClick;
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}
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private void TreeGrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
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{
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var treeGridPanel = this.treeGrid.GetTreePanel();
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// get the row and column index based on the pointer position
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var rowColumnIndex = treeGridPanel.PointToCellRowColumnIndex(e.GetPosition(treeGridPanel));
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if (rowColumnIndex.IsEmpty)
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return;
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var treeNodeAtRowIndex = treeGrid.GetNodeAtRowIndex(rowColumnIndex.RowIndex);
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MessageBox.Show("TreeNode : " + treeNodeAtRowIndex.ToString());
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}
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}
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}

‎Model.cs‎

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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SfTreeGridDemo
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{
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public class EmployeeInfo : IDataErrorInfo, INotifyDataErrorInfo
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{
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int _id;
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string _firstName;
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string _lastName;
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private string _title;
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decimal _salary;
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int _reportsTo;
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bool isSelected;
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public event EventHandler<DataErrorsChangedEventArgs> ErrorsChanged;
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public string FirstName
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{
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get { return _firstName; }
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set { _firstName = value; }
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}
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public string LastName
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{
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get { return _lastName; }
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set { _lastName = value; }
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}
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public bool IsSelected
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{
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get { return isSelected; }
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set { isSelected = value; }
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}
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[Range(1, 2, ErrorMessage = "ID between 1 and 2 alone processed")]
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public int ID
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{
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get { return _id; }
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set { _id = value; }
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}
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public string Title
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{
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get { return _title; }
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set { _title = value; }
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}
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public decimal Salary
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{
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get { return _salary; }
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set { _salary = value; }
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}
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public int ReportsTo
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{
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get { return _reportsTo; }
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set { _reportsTo = value; }
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}
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[Display(AutoGenerateField = false)]
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public string Error => string.Empty;
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public string this[string columnName]
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{
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get
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{
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if (!columnName.Equals("Salary"))
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return string.Empty;
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if (this.Salary < 10000 || this.Salary > 30000)
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return "The 'Salary' field can range from 10000 to 30000 ";
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return string.Empty;
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}
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}
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[Display(AutoGenerateField = false)]
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public bool HasErrors
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{
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get
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{
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return false;
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}
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}
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private List<string> errors = new List<string>();
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public IEnumerable GetErrors(string propertyName)
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{
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if (!propertyName.Equals("Title"))
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return null;
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if (this.Title.Contains("Management"))
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errors.Add("Management is not valid ");
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return errors;
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}
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}
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}

‎Properties/AssemblyInfo.cs‎

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using System.Reflection;
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using System.Resources;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Windows;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("SfTreeGrid_MVVM")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("SfTreeGrid_MVVM")]
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[assembly: AssemblyCopyright("Copyright © 2019")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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//In order to begin building localizable applications, set
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//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
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//inside a <PropertyGroup>. For example, if you are using US english
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//in your source files, set the <UICulture> to en-US. Then uncomment
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//the NeutralResourceLanguage attribute below. Update the "en-US" in
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//the line below to match the UICulture setting in the project file.
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//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
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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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)]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Properties/Resources.Designer.cs‎

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