48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
using System.Windows;
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namespace Prism_1_ModuleA.ViewModels;
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// public class ViewAModel : BindableBase, INavigationAware
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public class ViewAModel : BindableBase, IConfirmNavigationRequest
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{
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private string? _title;
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public string? Title
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{
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get => _title;
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set
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{
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_title = value;
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RaisePropertyChanged();
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}
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}
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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if (navigationContext.Parameters.ContainsKey("Title"))
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Title = navigationContext.Parameters.GetValue<string>("Title");
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}
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/// <summary>
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/// 是否重用原来实例
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/// </summary>
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/// <param name="navigationContext"></param>
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/// <returns></returns>
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public bool IsNavigationTarget(NavigationContext navigationContext)
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{
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return true;
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}
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public void OnNavigatedFrom(NavigationContext navigationContext)
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{
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}
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public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
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{
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var result = true;
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var boxResult = MessageBox.Show("确认导航？", "INFO", MessageBoxButton.YesNo);
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if (boxResult == MessageBoxResult.No) result = false;
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continuationCallback(result);
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}
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} |