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  • WP8数据存储--独立存储设置

     <Grid x:Name="LayoutRoot" Background="Transparent">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>
    
            <!--TitlePanel 包含应用程序的名称和页标题-->
            <StackPanel Grid.Row="0" Margin="12,17,0,28">
                <TextBlock Text="我的应用程序" Style="{StaticResource PhoneTextNormalStyle}"/>
                <TextBlock Text="页面名称" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
            </StackPanel>
    
            <!--ContentPanel - 在此处放置其他内容-->
            <Grid x:Name="ContentPanel" Grid.Row="1" Margin="24,10,0,-10">
                <TextBlock Margin="19,46,345,522" Style="{StaticResource PhoneTextTitle1Style}" FontSize="25" Text="Key"/>
                <TextBlock Margin="19,112,345,456" Style="{StaticResource PhoneTextTitle1Style}" FontSize="25" Text="Value"/>
                <TextBox x:Name="text_Key" HorizontalAlignment="Left" Height="58" Margin="116,38,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="260" FontSize="15"/>
                <TextBox x:Name="text_Value" HorizontalAlignment="Left" Height="58" Margin="116,101,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="260" FontSize="15"/>
                <Button x:Name="btn_Save" Content="保存" HorizontalAlignment="Left" Height="67" Margin="19,200,0,0" VerticalAlignment="Top" Width="122"/>
                <Button x:Name="btn_Delete" Content="删除" HorizontalAlignment="Left" Height="67" Margin="146,200,0,0" VerticalAlignment="Top" Width="122"/>
                <Button x:Name="deleteall" Content="清空所有" HorizontalAlignment="Left" Height="67" Margin="289,200,0,0" VerticalAlignment="Top" Width="144"/>
                <ListBox x:Name="lstKeys" Margin="31,267,35,69"/>
            </Grid>
        </Grid>
    View Code
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Net;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Navigation;
    using Microsoft.Phone.Controls;
    using Microsoft.Phone.Shell;
    using System.IO.IsolatedStorage;
    
    namespace PhoneApp1
    {
        public partial class Panorama : PhoneApplicationPage
        {
            public IsolatedStorageSettings _Settings;
            public Panorama()
            {
             
                InitializeComponent();
                _Settings = IsolatedStorageSettings.ApplicationSettings;
                BindkeyList();
                btn_Save.Click += btn_Save_Click;
                btn_Delete.Click += btn_Delete_Click;
                deleteall.Click += deleteall_Click;
                lstKeys.SelectionChanged += lstKeys_SelectionChanged;
            }
    
            void lstKeys_SelectionChanged(object sender, SelectionChangedEventArgs e)
            {
                if (e.AddedItems.Count > 0)
                {
                    string key = e.AddedItems[0].ToString();
                    if (_Settings.Contains(key))
                    {
                        text_Key.Text = key;
                        text_Value.Text = _Settings[key].ToString();
                    }
                }
            }
    
            void deleteall_Click(object sender, RoutedEventArgs e)
            {
                _Settings.Clear();
                _Settings.Save();
                BindkeyList();
            }
    
            void btn_Delete_Click(object sender, RoutedEventArgs e)
            {
                if(lstKeys.SelectedIndex>-1)
                _Settings.Remove(lstKeys.SelectedItem.ToString());
                _Settings.Save();
                BindkeyList();
    
            }
    
            private void BindkeyList()
            {
                lstKeys.Items.Clear();
                if (_Settings!=null)
                {
                    foreach (string key in _Settings.Keys)
                    {
                        lstKeys.Items.Add(key);
                    }
                    text_Key.Text = "";
                    text_Value.Text = "";
                }
            }
    
            void btn_Save_Click(object sender, RoutedEventArgs e)
            {
                if (text_Key.Text != "")
                {
                    if (_Settings.Contains(text_Key.Text))
                    {
                        _Settings[text_Key.Text] = text_Value.Text;
                    }
                    else
                    {
                        _Settings.Add(text_Key.Text, text_Value.Text);
                    }
                    _Settings.Save();
                    BindkeyList();
                }
                else
                { MessageBox.Show("请添加key值"); }
            }
    
           
        }
    }
    View Code
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  • 原文地址:https://www.cnblogs.com/MyBeN/p/3338938.html
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