如何设置菜单快捷键
本文关键字:菜单 快捷键 设置 何设置 | 更新日期: 2023-09-27 18:26:19
如何为菜单设置shortKey,例如,对于以下代码:
<Menu >
<MenuItem Header="File" >
<MenuItem Header="Save" ToolTip="Ctrl + S" Click="Save_Click"/>
<MenuItem Header="Save As" ToolTip="Ctrl + S + Shift" Click="SaveAs_Click"/>
<MenuItem Header="SelectAll" ToolTip="Ctrl + A" Click="SelectAll_Click"/>
</MenuItem>
</Menu>
换句话说,当我按下Ctrl-S时,Save_Click将上升,依此类推。
我认为最好的方法是使用WPF命令模式
<Window x:Class="MenuShotCuts.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">
<Window.InputBindings>
<KeyBinding Key="S" Modifiers="Ctrl" Command="{Binding SaveCmd}" />
</Window.InputBindings>
<Grid>
<Menu >
<MenuItem Header="File" >
<MenuItem Header="Save" ToolTip="Ctrl + S" Command="{Binding SaveCmd}"/>
</MenuItem>
</Menu>
</Grid>
</Window>
在代码背后:
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
this.DataContext = this;
m_saveCmd = new SaveCommand();
}
private SaveCommand m_saveCmd;
public SaveCommand SaveCmd
{
get
{
return m_saveCmd;
}
}
}
public class SaveCommand : ICommand
{
#region ICommand Members
public bool CanExecute(object parameter)
{
return true;
}
public event EventHandler CanExecuteChanged;
public void Execute(object parameter)
{
MessageBox.Show("Saved", "Info");
}
#endregion
}
<Window x:Class="MenuShotCuts.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">
<Window.CommandBindings>
<CommandBinding Command="ApplicationCommands.Save"
Executed="SaveCommandHandler"
/>
</Window.CommandBindings>
<!-- implementation -->
</Window>
您还需要更改MenuItem的Command属性:
<MenuItem Header="Save" ToolTip="Ctrl + S" Command="ApplicationCommands.Save"/>
在后面的代码中:
// Save executed handler
private void SaveCommandHandler(object sender, ExecutedRoutedEventArgs e)
{
// do something
}