WPF KeyDown MVVM Via Behavior
<behavior:Interaction.Triggers> <behavior:EventTrigger EventName="KeyDown"> <behavior:CallMethodAction MethodName="Window_KeyDown" TargetObject="{Binding}"/> </behavior:EventTrigger> </behavior:Interaction.Triggers>
//xaml <Window x:Class="WpfApp248.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:behavior="http://schemas.microsoft.com/xaml/behaviors" xmlns:local="clr-namespace:WpfApp248" Title="MainWindow" Height="450" Width="800"> <behavior:Interaction.Triggers> <behavior:EventTrigger EventName="KeyDown"> <behavior:CallMethodAction MethodName="Window_KeyDown" TargetObject="{Binding}"/> </behavior:EventTrigger> </behavior:Interaction.Triggers> <Grid> </Grid> </Window> //xaml.cs using System; using System.Collections.Generic; 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 WpfApp248 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); var vm=new MainVM(); this.DataContext = vm; } } public class MainVM { public MainVM() { } public void Window_KeyDown(object sender, KeyEventArgs e) { System.Diagnostics.Debug.WriteLine(e.Key.ToString()); } } }
分类:
wpf
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2016-08-15 C#,Task
2016-08-15 C#,WPF,DataGrid,Excel,导出