1.改寫注冊表，并將工程屬性改成以管理員身份運行。具體方式：在工程的properties上右擊，打開，點擊屬性窗口左側的“安全性”，勾選右側的“啟動ClickOnce安全設置”，就會在Properties目錄下出現app.manifest文件，將里面的“”改成“ ”。再將“啟動ClickOnce安全設置”上的勾選去掉，即可。此時，生成的exe上會出現一個以管理員身份運行的圖標，雙擊exe將自動以管理員身份運行。
這樣做右擊一個文件，是能用自己的應用程序打開該文件的，但出現右擊多個exe，就會出現問題。
private bool RegisterRightMenu()
{
try
{
RegistryKey shellKey = Registry.ClassesRoot.OpenSubKey(@”*\shell”,
RegistryKeyPermissionCheck.ReadWriteSubTree, System.Security.AccessControl.RegistryRights.FullControl);
if (shellKey == null)
shellKey = Registry.ClassesRoot.CreateSubKey(@”*\shell”);
//創建項：右鍵顯示的菜單名稱
RegistryKey rightCommondKey = shellKey.CreateSubKey(“資源拷貝工具(” + Application.ProductVersion + “)”);
RegistryKey associatedProgramKey = rightCommondKey.CreateSubKey(“command”);

//創建默認值：關聯的程序//associatedProgramKey.SetValue(string.Empty, Process.GetCurrentProcess().MainModule.FileName + " %1");associatedProgramKey.SetValue(string.Empty, Process.GetCurrentProcess().MainModule.FileName + " %1");//associatedProgramKey.SetValue(string.Empty, @"F:\engeneer\x51_8796\exe\資源拷貝工具\ResCopyTool.exe %1");//刷新到磁盤并釋放資源associatedProgramKey.Close();rightCommondKey.Close();shellKey.Close();RegistryKey shellKey1 = Registry.ClassesRoot.OpenSubKey(@"directory\shell",RegistryKeyPermissionCheck.ReadWriteSubTree, System.Security.AccessControl.RegistryRights.FullControl);if (shellKey1 == null)shellKey1 = Registry.ClassesRoot.CreateSubKey(@"directory\shell");//創建項：右鍵顯示的菜單名稱RegistryKey rightCommondKey1 = shellKey1.CreateSubKey("資源拷貝工具(" + Application.ProductVersion + ")");RegistryKey associatedProgramKey1 = rightCommondKey1.CreateSubKey("command");//創建默認值：關聯的程序associatedProgramKey1.SetValue(string.Empty, Process.GetCurrentProcess().MainModule.FileName + " %1");//刷新到磁盤并釋放資源associatedProgramKey1.Close();rightCommondKey1.Close();shellKey1.Close();return true;}catch (Exception e){Outputs.WriteLine(OutputMessageType.Error, "設置右鍵菜單失敗：" + e.Message);return false;}}private bool UnRegisterRightMenu(){try{RegistryKey shellKey = Registry.ClassesRoot.OpenSubKey(@"*\shell",RegistryKeyPermissionCheck.ReadWriteSubTree, System.Security.AccessControl.RegistryRights.FullControl);if (shellKey == null)shellKey = Registry.ClassesRoot.CreateSubKey(@"*\shell");shellKey.DeleteSubKey("資源拷貝工具(" + Application.ProductVersion + ")\\command");shellKey.DeleteSubKey("資源拷貝工具(" + Application.ProductVersion + ")");//刷新到磁盤并釋放資源shellKey.Close();RegistryKey shellKey1 = Registry.ClassesRoot.OpenSubKey(@"directory\shell",RegistryKeyPermissionCheck.ReadWriteSubTree, System.Security.AccessControl.RegistryRights.FullControl);if (shellKey1 == null)shellKey1 = Registry.ClassesRoot.CreateSubKey(@"directory\shell");shellKey1.DeleteSubKey("資源拷貝工具(" + Application.ProductVersion + ")\\command");shellKey1.DeleteSubKey("資源拷貝工具(" + Application.ProductVersion + ")");shellKey1.Close();return true;}catch (Exception e){Outputs.WriteLine(OutputMessageType.Error, "設置右鍵菜單失敗：" + e.Message);return false;}}

2.查詢右鍵菜單是否有這一項，通過查詢注冊表：
private bool GetIsAddRightMenu()
{
RegistryKey shellKey = Registry.ClassesRoot.OpenSubKey(@”*\shellex”,
RegistryKeyPermissionCheck.ReadSubTree, System.Security.AccessControl.RegistryRights.ReadKey);
if (shellKey == null)
return false;
else
{
RegistryKey rightMenuKey = shellKey.OpenSubKey(“ContextMenuHandlers”);
if (rightMenuKey == null)
{
return false;
}
else
{
RegistryKey resCopyToolKey = rightMenuKey.OpenSubKey(“ResCopyToolExtension”);
if (resCopyToolKey == null)
{
return false;
}
else
{
resCopyToolKey.Close();
}
rightMenuKey.Close();
}
shellKey.Close();
}
return true;
}
3.另一種修改右鍵菜單的方法：

總結

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