using System.ComponentModel; using System.Windows; using System.Windows.Controls; namespace ShrlAlgoToolkit.RevitAddins.Common.Controls { /// /// ProgressWindow.xaml 的交互逻辑 /// public partial class ProgressWindow : Window { private readonly ProgressViewModel _viewModel; public ProgressWindow(ProgressViewModel viewModel) { InitializeComponent(); _viewModel = viewModel; DataContext = _viewModel; // 绑定关闭委托 _viewModel.CloseAction = this.Close; } private void BtnCancel_Click(object sender, RoutedEventArgs e) { _viewModel.Cancel(); (sender as Button).IsEnabled = false; } // 屏蔽系统的 Alt+F4 关闭,强制必须等主线程任务结束 protected override void OnClosing(CancelEventArgs e) { if (!_viewModel.UIDispatcher.HasShutdownStarted) { e.Cancel = true; _viewModel.Cancel(); // 尝试取消 } base.OnClosing(e); } } }