多命令绑定 [英] Multiple Command Binding

问题描述

是否可以将多个命令绑定到按钮上.

Is it possible to bind the multiple commands to the button.

我有一个用户控件，我在主应用程序(父应用程序)中调用它.

I have a user control, which i am calling in my main application (parent application).

我想在两个控件(用户控件以及主窗口)上处理单击命令.但是我只能得到一个.

I want to handle a click command on both the controls (the user control as well as on the main window). However i am only able to get one.

有什么办法可以得到这个.

Is there any way in which i can get this.

非常感谢任何帮助.

代码片段:

public class MainWindowFooterCommands
{
    public static readonly RoutedUICommand FooterClickLocalCommand = new RoutedUICommand("Local Button Command", "FooterClickLocalCommand", typeof(MainWindowFooterCommands));
}

private void MainWindowFooterBindCommands()
{
    CommandBinding cmdBindingBXClick = new CommandBinding(MainWindowFooterCommands.FooterClickLocalCommand);
        cmdBindingBXClick.Executed += ClickCommandHandler;
        CommandBindings.Add(cmdBindingBXClick);
}


void ClickCommandHandler(object sender, ExecutedRoutedEventArgs e)
{
    //Do Something
}


//Parent Control holding an instance of the footer control.
class MainWindow {

    public MainWindow() 
    {
        CommandBinding cmdBindingBXClick1 = new CommandBinding(MainWindowFooterCommands.BXClickMainWindowCommand);
        cmdBindingBXClick1.Executed += LoadParent;  
        CommandBindings.Add(cmdBindingBXClick1);
    }

        public void LoadParent(object sender, ExecutedRoutedEventArgs e)
        {   
        LoadParentWindow();
        }
}

问候，图沙尔

推荐答案

您可能正在尝试聚合多个命令，这是很自然的事情.

You might be trying to aggregate multiple commands, which is a natural thing to want to do.

如果您使用的是 Prism，则有一个名为 CompositeCommand 的内置类(向下滚动一点):https://msdn.microsoft.com/en-us/library/ff921126.aspx

If you are using Prism, there is a class builtin for this called the CompositeCommand (scroll down a bit): https://msdn.microsoft.com/en-us/library/ff921126.aspx

否则，Josh Smith 有一篇关于他的实现的非常好的文章，称为命令组":http://www.codeproject.com/KB/WPF/commandgroup.aspx

Otherwise, Josh Smith has a very good article on his implementation called a "Command Group": http://www.codeproject.com/KB/WPF/commandgroup.aspx

您可以像这样汇总一些非常好的场景(例如，全部保存").一个很好的工具，适合你的技巧.

There are some very nice scenarios you can rollup like this (for instance, "Save All"). A good tool for your bag of tricks.

这篇关于多命令绑定的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！