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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();
}
}
按鈕cammand與MenuItem完全相同。當我調試MenuItem的Converter,值參數包含兩個對象:DependencyProperty.UnsetValue(我不知道這是什麼)和MyContextMenu對象。爲什麼MenuItem不發送指定參數,但按鈕發送
而且我該如何傳遞SomeType作爲參數? 謝謝
謝謝約翰,但什麼是解決方案或解決方法? – Sadegh 2010-12-02 14:56:56