C# wm 注册表修改

 using System;
 using System.Windows.Forms;
 using Microsoft.Win32;
 
 namespace WidgetDeploy
 {
 public partial class Form1 : Form
 {
 public Form1()
 {
 InitializeComponent();
 }
 
 private void Form1_Load(object sender, EventArgs e)
 {
 //參考網址：http://msdn.microsoft.com/en-us/library/dd721906.aspx
 
 /*
 
 [HKEY_CLASSES_ROOT\riapp]
 "EditFlags"=dword:00010000
 [HKEY_CLASSES_ROOT\riapp\Shell\Open\Command]
 @="wmwidgetinstaller.exe %1"
 
 */
 
 //HKEY_CLASSES_ROOT\riapp
 RegistryKey riapp = Registry.ClassesRoot.OpenSubKey("riapp");
 if (riapp == null)
 {
 Registry.ClassesRoot.CreateSubKey("riapp");
 }
 Registry.ClassesRoot.OpenSubKey("riapp", true).SetValue("EditFlags", 65536, RegistryValueKind.DWord);
 
 //HKEY_CLASSES_ROOT\riapp\Shell\Open\Command
 RegistryKey widget = Registry.ClassesRoot.OpenSubKey(@"riapp\Shell\Open\Command");
 if (widget == null)
 {
 Registry.ClassesRoot.CreateSubKey(@"riapp\Shell\Open\Command");
 }
 Registry.ClassesRoot.CreateSubKey(@"riapp\Shell\Open\Command").SetValue("Default", "wmwidgetinstaller.exe %1", RegistryValueKind.String);
 
 
 MessageBox.Show("寫入成功!");
 }
 }
 }