Binding a main menu command in WPF MVVM application

Asked Mar 12 '15 at 14:41

Active Mar 12 '15 at 14:41

Viewed 374 times

I'm developing an WPF app using MVVMLight, and in my main view I have the following:

<i:Interaction.Triggers>
    <i:EventTrigger EventName="Closing">
        <command:EventToCommand Command="{Binding WindowClosing}" PassEventArgsToCommand="True"/>
    </i:EventTrigger>
</i:Interaction.Triggers>

Which I bind to the following in my view model:

public ICommand WindowClosingCommand { get; private set; }

public MainViewModel()
{
 WindowClosingCommand = new RelayCommand<CancelEventArgs>((args) => ExecuteWindowClosingCommand(args));
}

public void ExecuteWindowClosingCommand(CancelEventArgs e)
{
  if (UserSaysNo())
  {
    e.Cancel = true;
  }
}

This all works great, and I can display a dialog prompt which allows the user to cancel if required. The problem I have is: how do I bind a 'File->Exit' main menu command to this?

Thanks in advance! Chris

asked Mar 12 '15 at 14:41

Chris J

1

In File -> Exit command close the MainWindow, this event will automatically gets called. – Ayyappan Subramanian Mar 12 '15 at 14:55
@Ganesh, do you have example code? – Chris J Mar 12 '15 at 15:26
For closing window from VM try this link. http://stackoverflow.com/questions/501886/how-should-the-viewmodel-close-the-form/2100824#2100824 – Ayyappan Subramanian Mar 12 '15 at 16:01

Binding a main menu command in WPF MVVM application

0 Answers0