Use CloseActivePopUpCommand.Execute(true) in the execute method to close a view.
I've included a short sample below.
[ExportViewModel("PickOperatorViewModel")]
[PartCreationPolicy(CreationPolicy.NonShared)]
public class PickOperatorViewModel : ViewModelBase
{
[ImportingConstructor]
public PickOperatorViewModel()
{
PickOperaterCommand = new SimpleCommand<Object, Object>(CanExecutePickOperaterCommand, ExecutePickOperaterCommand);
}
public SimpleCommand<Object, Object> PickOperaterCommand { get; private set; }
private void ExecutePickOperaterCommand(Object args)
{
CloseActivePopUpCommand.Execute(true);
}
private bool CanExecutePickOperaterCommand(Object args)
{
return true;
}
}