<Window x:Class="TestOfCommandParameter.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525" Background="LightBlue" WindowStyle="ToolWindow"> <Grid Margin="6"> <Grid.RowDefinitions > <RowDefinition Height="24" /> <RowDefinition Height="4" /> <RowDefinition Height="24" /> <RowDefinition Height="4" /> <RowDefinition Height="24" /> <RowDefinition Height="4" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <TextBlock Text="Name:" VerticalAlignment="Center" HorizontalAlignment="Left" Grid.Row="0" /> <TextBox x:Name="newTextBox" Margin="60,0,0,0" Grid.Row="0" /> <Button Content="New Teacher" Command="New" CommandParameter="Teacher" Grid.Row="2" /> <Button Content="New Student" Command="New" CommandParameter="Student" Grid.Row="4" /> <ListBox x:Name="listBoxNewItems" Grid.Row="6" /> </Grid> <Window.CommandBindings> <CommandBinding Command="New" CanExecute="New_CanExecute" Executed="New_Executed" /> </Window.CommandBindings> </Window>
using System.Windows; namespace TestOfCommandParameter { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void New_CanExecute(object sender, System.Windows.Input.CanExecuteRoutedEventArgs e) { if (string.IsNullOrEmpty(this.newTextBox.Text)) { e.CanExecute = false; } else { e.CanExecute = true; } } private void New_Executed(object sender, System.Windows.Input.ExecutedRoutedEventArgs e) { string name = this.newTextBox.Text; if (e.Parameter.ToString()=="Teacher") { this.listBoxNewItems.Items.Add(string.Format("New Teacher:{0},学而不厌,诲人不倦。", name)); } if (e.Parameter.ToString() == "Student") { this.listBoxNewItems.Items.Add(string.Format("New Student:{0},好好学习,天天向上。", name)); } } } }