Use CommandBinding to Bind to ApplicationCommands : ApplicationCommand « Windows Presentation Foundation « C# / C Sharp






Use CommandBinding to Bind to ApplicationCommands

Use CommandBinding to Bind to ApplicationCommands
 
<Window x:Class="Commands.SimpleDocument"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="SimpleDocument" Height="300" Width="300">
    <Grid>
      <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition></RowDefinition>
      </Grid.RowDefinitions>
      <Menu Grid.Row="0">
        <MenuItem Header="File">
          <MenuItem Command="New"></MenuItem>
          <MenuItem Command="Open"></MenuItem>
          <MenuItem Command="Save"></MenuItem>
          <MenuItem Command="SaveAs"></MenuItem>
          <Separator></Separator>
          <MenuItem Command="Close"></MenuItem>
        </MenuItem>
      </Menu>

      <ToolBarTray Grid.Row="1">
        <ToolBar>
        <Button Command="New">New</Button>
          <Button Command="Open">Open</Button>
          <Button Command="Save">Save</Button>        
      </ToolBar>
        <ToolBar>
          <Button Command="Cut">Cut</Button>
          <Button Command="Copy">Copy</Button>
          <Button Command="Paste">Paste</Button>
          
        </ToolBar>
      </ToolBarTray>
      <TextBox Name="txt" Margin="5" Grid.Row="2" 
               TextWrapping="Wrap" AcceptsReturn="True"
               TextChanged="txt_TextChanged"></TextBox>
    </Grid>
</Window>
//File:Window.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
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.Shapes;

namespace Commands
{
    public partial class SimpleDocument : System.Windows.Window
    {
        public SimpleDocument()
        {
            InitializeComponent();

            CommandBinding binding;
            binding = new CommandBinding(ApplicationCommands.New);
            binding.Executed += NewCommand;
            this.CommandBindings.Add(binding);

            binding = new CommandBinding(ApplicationCommands.Open);
            binding.Executed += OpenCommand;
            this.CommandBindings.Add(binding);

            binding = new CommandBinding(ApplicationCommands.Save);
            binding.Executed += SaveCommand_Executed;
            binding.CanExecute += SaveCommand_CanExecute;
            this.CommandBindings.Add(binding);
        }

        private void NewCommand(object sender, ExecutedRoutedEventArgs e)
        {
            Console.WriteLine("New command triggered with " + e.Source.ToString());
            isDirty = false;          
        }

        private void OpenCommand(object sender, ExecutedRoutedEventArgs e)
        {
            isDirty = false;
        }

        private void SaveCommand_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            Console.WriteLine("Save command triggered with " + e.Source.ToString());
            isDirty = false;
        }

        private bool isDirty = false;
        private void txt_TextChanged(object sender, RoutedEventArgs e)
        {
            isDirty = true;
        }

        private void SaveCommand_CanExecute(object sender, CanExecuteRoutedEventArgs e)
        {            
            e.CanExecute = isDirty;
        }

    }
}

   
  








Related examples in the same category

1.Bind ApplicationCommand to a handlerBind ApplicationCommand to a handler
2.Assign ApplicationCommands.Open to ButtonAssign ApplicationCommands.Open to Button
3.Binding command to ApplicationCommands.RedoBinding command to ApplicationCommands.Redo
4.Binding Command to ApplicationCommands.NewBinding Command to ApplicationCommands.New
5.Bind CanExecute to ApplicationCommands.SaveBind CanExecute to ApplicationCommands.Save
6.Binding ApplicationCommands.New Command to your own handlerBinding ApplicationCommands.New Command to your own handler
7.Change ApplicationCommands.New.TextChange ApplicationCommands.New.Text
8.Call ApplicationCommands.New.Execute to execute the command directlyCall ApplicationCommands.New.Execute to execute the command directly
9.Use CommandBinding to bind ApplicationCommands.New in codeUse CommandBinding to bind ApplicationCommands.New in code
10.Add ApplicationCommands.Cut to TextBox with TextBox.CommandBindingsAdd ApplicationCommands.Cut to TextBox with TextBox.CommandBindings