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C# 多線程讀取注冊表，加載至TreeView

更新時(shí)間：2009年09月24日 11:56:41 作者：

C#下多線程讀取注冊表，加載至TreeView的實(shí)現(xiàn)代碼。

using System; 
using System.Drawing; 
using System.Windows.Forms; 
using System.Threading; 
using Microsoft.Win32; 
namespace 星空個性化助手 
{ 
public partial class Form1 : Form 
{ 
private delegate void LoadTreeView左側(cè)( TreeNode node );//聲明委托類型 
public Form1() 
{ 
InitializeComponent (); 
} 
private void Form1_Load( object sender , EventArgs e ) 
{ 
Thread thread = new Thread (new ThreadStart (ReadAllReg)); 
thread.Start (); 
} 
/// <summary> 
/// 讀取注冊表 
/// </summary> 
private void ReadAllReg() 
{ 
LoadTreeView左側(cè) loadTreeView = new LoadTreeView左側(cè) (SendToTreeView); 
RegistryKey reg = Registry.ClassesRoot; 
TreeNode node = new TreeNode ("HKEY_CLASSES_ROOT"); 
ReadRegistry (reg , node); 
reg.Close (); 
if( treeView左側(cè).InvokeRequired )//將讀取的根加載至TreeView 
treeView左側(cè).BeginInvoke (loadTreeView , node); 
else 
{ 
treeView左側(cè).Nodes.Add (node); 
} 
/*----------------------------------------------------*/ 
reg = Registry.CurrentUser; 
node = new TreeNode ("HKEY_CURRENT_USER"); 
ReadRegistry (reg , node); 
reg.Close (); 
if( treeView左側(cè).InvokeRequired )//將讀取的根加載至TreeView 
treeView左側(cè).BeginInvoke (loadTreeView , node); 
else 
{ 
treeView左側(cè).Nodes.Add (node); 
} 
/*----------------------------------------------------*/ 
reg = Registry.LocalMachine; 
node = new TreeNode ("HKEY_LOCAL_MACHINE"); 
ReadRegistry (reg , node); 
reg.Close (); 
if( treeView左側(cè).InvokeRequired )//將讀取的根加載至TreeView 
treeView左側(cè).BeginInvoke (loadTreeView , node); 
else 
{ 
treeView左側(cè).Nodes.Add (node); 
} 
/*----------------------------------------------------*/ 
reg = Registry.Users; 
node = new TreeNode ("HKEY_USERS"); 
ReadRegistry (reg , node); 
reg.Close (); 
if( treeView左側(cè).InvokeRequired )//將讀取的根加載至TreeView 
treeView左側(cè).BeginInvoke (loadTreeView , node); 
else 
{ 
treeView左側(cè).Nodes.Add (node); 
} 
/*----------------------------------------------------*/ 
reg = Registry.CurrentConfig; 
node = new TreeNode ("HKEY_CURRENT_CONFIG"); 
ReadRegistry (reg , node); 
reg.Close (); 
if( treeView左側(cè).InvokeRequired )//將讀取的根加載至TreeView 
treeView左側(cè).BeginInvoke (loadTreeView , node); 
else 
{ 
treeView左側(cè).Nodes.Add (node); 
} 
} 
/// <summary> 
/// 發(fā)送到TreeView 
/// </summary> 
/// <param name="node">TreeNode</param> 
private void SendToTreeView( TreeNode node ) 
{ 
treeView左側(cè).Nodes.Add (node); 
treeView左側(cè).Refresh (); 
} 
/// <summary> 
/// 遞歸注冊表樹 
/// </summary> 
/// <param name="reg">注冊表起始點(diǎn)</param> 
/// <param name="nodes">起始樹，將在它下面建立所有子結(jié)點(diǎn)</param> 
internal void ReadRegistry( RegistryKey reg , TreeNode nodes )//遞歸注冊表樹 
{ 
foreach( string names in reg.GetSubKeyNames () ) 
{ 
TreeNode node = new TreeNode (names); 
try 
{ 
RegistryKey r = reg.OpenSubKey (names , false); 
if( r != null ) 
{ 
ReadRegistry (r , node); 
r.Close (); 
} 
else 
{ 
return; 
} 
} 
catch( Exception err ) 
{ 
continue; 
} 
nodes.Nodes.Add (node); 
} 
} 
} 
} 