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<MenuItem Command="local:CommandLibrary.RegisterServiceCommand">
<MenuItem.CommandParameter>
<MultiBinding Converter="{StaticResource TrayWindowViewModelConverterResource}">
<MultiBinding.Bindings>
<Binding ElementName="Me" />
<Binding FallbackValue="Parser" />
</MultiBinding.Bindings>
</MultiBinding>
</MenuItem.CommandParameter>
</MenuItem>
public class TrayWindowViewModelConverter : IMultiValueConverter {
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) {
var viewModel = new Window1ViewModel();
foreach (var obj in values) {
if (obj is Window)
viewModel.Caller = obj as Window;
else if (obj is string)
viewModel.ServiceName = obj.ToString();
}
return viewModel;
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) {
throw new NotImplementedException();
}
}
按钮cammand与MenuItem完全相同。当我调试MenuItem的Converter,值参数包含两个对象:DependencyProperty.UnsetValue(我不知道这是什么)和MyContextMenu对象。为什么MenuItem不发送指定参数,但按钮发送
而且我该如何传递SomeType作为参数? 谢谢
谢谢约翰,但什么是解决方案或解决方法? – Sadegh 2010-12-02 14:56:56