WPF之窗体追踪

最新推荐文章于 2024-09-30 11:10:48 发布

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最新推荐文章于 2024-09-30 11:10:48 发布

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分类专栏： WPF

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本文介绍如何在C#中创建和更新文档。通过使用按钮事件触发操作，实现创建新文档并显示对话框，同时提供刷新功能更新现有文档内容。

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    public partial class App : Application
    {
        private List<Document> documents = new List<Document>();
        
        public List<Document> Documents
        {
            get { return documents; }
            set { documents = value; }
        }
    }

    <StackPanel>
      <Button Click="cmdCreate_Click" Margin="10,10,10,5" Name="cmdCreate">Click to Create a Document</Button>
      <Button Click="cmdUpdate_Click" Margin="10,5,10,10" Name="cmdUpdate">Click to Refresh the Documents</Button>
    </StackPanel>

        private void cmdCreate_Click(object sender, RoutedEventArgs e)
        {
            Document doc = new Document();
            doc.Owner = this;
            doc.Show();
            ((App)Application.Current).Documents.Add(doc);
        }

        private void cmdUpdate_Click(object sender, RoutedEventArgs e)
        {
            foreach (Document doc in ((App)Application.Current).Documents)
            {
                doc.SetContent("Refreshed at " + DateTime.Now.ToLongTimeString() + ".");
            }            
        }

        public void SetContent(string content)
        {
            this.Content = content;
        }