| 12345678910111213141516171819202122 | using CommunityToolkit.Mvvm.Input;namespace SummaryModule.ViewModels;internal partial class TempViewModel : ObservableObject{    public TempViewModel(IRegionManager regionManager)    {        this.regionManager = regionManager;    }    private readonly IRegionManager regionManager;    [RelayCommand]    private void Switch(string para)    {        regionManager.RequestNavigate("TempRegion", para);    }}
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