#眉標=.NET 3.5、
#副標=.NET Framework 3.5應用開發（3）
#大標=PNRP Peer Name登入與登出近端分享
#作者=文／圖	黃嘉輝

===<反灰>=============
public PeerNameResolver()
==<end>==============


==<box>===========
程式1
// 建立PeerName物件
PeerName peerName = new PeerName(txtPeerName.Text);
// 建立PeerNameResolver物件
PeerNameResolver resolver = new PeerNameResolver();
// 將PNRP Peer Name解析為PNRP Peer Name記錄物件
PeerNameRecordCollection pmrcs =
  resolver.Resolve(peerName);
...
foreach (PeerNameRecord pmrc in pmrcs) {
  foreach (IPEndPoint endpoint in
    pmrc.EndPointCollection) {
    lstPeerNameRecord.Items.Add(endpoint);
  }
}
==<end>==============




==<box>===========
程式2
// 建立PeerNameResolver物件
PeerNameResolver resolver = new PeerNameResolver();

// 宣告非同步解析作業正在執行中所觸發之事件
// 並定義所呼叫的方法為ResolveProgressChangedCallback
resolver.ResolveProgressChanged += new
  EventHandler<ResolveProgressChangedEventArgs>(
  ResolveProgressChangedCallback);

// 宣告非同步解析作業完成時所觸發之事件
// 並定義所呼叫的方法為ResolveCompletedCallback
resolver.ResolveCompleted += new
  EventHandler<ResolveCompletedEventArgs>(
  ResolveCompletedCallback);

// 非同步將PNRP Peer Name解析為PNRP Peer Name記錄物件
resolver.ResolveAsync(...);
...
// 自訂非同步解析作業正在執行中，所呼叫的方法
private void ResolveProgressChangedCallback(
  object sender, ResolveProgressChangedEventArgs e){
  ...
}

// 自訂非同步解析作業完成時，所呼叫的方法
private void ResolveCompletedCallback(
  object sender, ResolveCompletedEventArgs e){
  ...
}
==<end>==============



==<box>===========
程式3
// 自訂非同步解析作業正在執行中，所呼叫的方法
private void ResolveProgressChangedCallback(
  object sender, ResolveProgressChangedEventArgs e){
  // 取得非同步作業的進度百分比
  // 並藉此改變ProgressBar物件的顯示進度
  progressBar.Value = e.ProgressPercentage;
  // 取得PNRP Peer Name記錄物件
  PeerNameRecord pnr = e.PeerNameRecord;
  ...
}

// 自訂非同步解析作業完成時，所呼叫的方法
private void ResolveCompletedCallback(
  object sender, ResolveCompletedEventArgs e){
  progressBar.Visibility = Visibility.Hidden;
  ...
}
==<end>==============



==<box>===========
程式4
<Window x:Class="PeopleNearMe.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/
    xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/
    xaml" Title="近端分享" Height="120" Width="275">
  <Grid>
    <Button HorizontalAlignment="Left"
      Margin="30,30,0,0" Name="btnSignIn"
      Width="80" Height="30"
      VerticalAlignment="Top"
      Click="btnSignIn_Click">登入近端分享</Button>
    <Button HorizontalAlignment="Right"
      Margin="0,30,30,0" Name="btnSignOut" 
      Width="80" Height="30" 
      VerticalAlignment="Top" 
      Click="btnSignOut_Click">登出近端分享</Button>
  </Grid>
</Window>
==<end>==============



==<box>===========
程式5
// 命名空間
using System.Net.PeerToPeer.Collaboration; 

namespace PeopleNearMe {
  public partial class Window1 : Window {
    ...
    private void btnSignIn_Click(
      object sender, RoutedEventArgs e) {
      // 登入至Internet之範圍
      PeerCollaboration.SignIn(PeerScope.NearMe);
    }
    private void btnSignOut_Click(
      object sender, RoutedEventArgs e) {
      // 登出近端分享
      PeerCollaboration.SignOut(PeerScope.NearMe);
    }
  }
}
==<end>==============