VS 代码片段集

片段1：用于线程执行代码，耗时操作时加载Loging;

<?xml version="1.0" encoding="utf-8"?>
<CodeSnippets xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
    <CodeSnippet Format="1.0.0">
        <Header>
            <Title>BW</Title>
            <Shortcut>BW</Shortcut>
            <Description>线程运行加载loging的代码片段_毛阳</Description>
            <Author>Microsoft Corporation</Author>
            <SnippetTypes>
                <SnippetType>Expansion</SnippetType>
            </SnippetTypes>
        </Header>
        <Snippet>
            <Declarations>
                <Literal>
                    <ID>Time</ID>
                    <Default>0104.</Default>
                    <ToolTip>显示的内容</ToolTip>
                </Literal>
            </Declarations>
            <Code Language="csharp"><![CDATA[ BackgroundWorker bgMeet = new BackgroundWorker();
                bgMeet.WorkerReportsProgress = true;
                bgMeet.DoWork += new DoWorkEventHandler((s, ed) =>
                {
                    TreeViewItem ti = null;
                    this.Dispatcher.Invoke(new Action(() =>
                    {
                        //这里写等待时候发生的loging...

                        //这里写执行的代码

                    }));
                });

                bgMeet.RunWorkerCompleted += new RunWorkerCompletedEventHandler((s, se) =>
                {
                    this.Dispatcher.Invoke(new Action(() =>
                    {
                        //这里写结束时候loging...的状态
                    }));
                });
                bgMeet.RunWorkerAsync();]]>
            </Code>
        </Snippet>
    </CodeSnippet>
</CodeSnippets>

 2.弹出消息框：

switch (System.Windows.MessageBox.Show("确认保存?", "询问", System.Windows.MessageBoxButton.YesNoCancel, System.Windows.MessageBoxImage.Exclamation))
            {
                case System.Windows.MessageBoxResult.Yes:
                    // ...                      
                    break;
                case System.Windows.MessageBoxResult.No:
                    return;
                case System.Windows.MessageBoxResult.Cancel:
                    return;
            }