Windows Phone 8.1 EventArgs類總結（C#描述）——NavigationEventArgs類

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連結：https://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.navigation.navigationeventargs(v=win.10).aspx

NavigationEventArgs類

為無法取消的導航事件及事件處理器函數所需的資料。該類直接繼承於Object類。

public sealed class NavigationEventArgs 

該類所具有的成員有：

名稱	訪問類型	類別	說明	延伸
Content	唯讀	屬性（properties）	擷取目標頁面的根節點
NavigationMode	唯讀	屬性（properties）	導航時的移動方向	可能的取值：New、Back、Forward、Refresh。
NavigationTransitionInfo	唯讀	屬性（properties）	導航時的動畫類型	public class NavigationTransitionInfo : DependencyObject
Parameter	唯讀	屬性（properties）	傳遞的參數
SourcePageType	唯讀	屬性（properties）	源頁面的資料類型
Uri	讀寫	屬性（properties）	目標內容的Uri

舉例：

 1 private void NavigateButton_Click(object sender, RoutedEventArgs e) 2 { 3     ProgressRing1.IsActive = true; 4  5     // Provide an indication as to where we are trying to navigate to 6     rootPage.NotifyUser(String.Format("Navigating to: {0}", Address.Text), NotifyType.StatusMessage); 7  8     // Hook the LoadCompleted event for the WebView to know when the URL is fully loaded 9     WebView1.LoadCompleted += new Windows.UI.Xaml.Navigation.LoadCompletedEventHandler(WebView1_LoadCompleted);10 11     // Attempt to navigate to the specified URL.  Notice that a malformed URL will raise a FormatException12     // which we catch and let the user know that the URL is bad and to enter a new well-formed one.13     try14     {15         Uri targetUri = new Uri(Address.Text);16         WebView1.Navigate(targetUri);17     }18     catch (FormatException myE)19     {20         // Bad address21         rootPage.NotifyUser(String.Format("Address is invalid, try again.  Details --> {0}", myE.Message), NotifyType.ErrorMessage);22     }23 }24 25 void WebView1_LoadCompleted(object sender, Windows.UI.Xaml.Navigation.NavigationEventArgs e)26 {27     WebView1.Visibility = Windows.UI.Xaml.Visibility.Visible;28     BlockingRect.Visibility = Windows.UI.Xaml.Visibility.Collapsed;29     ProgressRing1.IsActive = false;30 31     // Tell the user that the page has loaded32     rootPage.NotifyUser("Page loaded", NotifyType.StatusMessage);33 }34 35 void Address_KeyUp(object sender, KeyRoutedEventArgs e)36 {37     if (e.Key == Windows.System.VirtualKey.Enter)38     {39         NavigateButton_Click(this, new RoutedEventArgs());40     }41 }

待續

Windows Phone 8.1 EventArgs類總結（C#描述）——NavigationEventArgs類