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DirectoryEntry.Exists(String) 方法

定義

決定指定的路徑是否表示目錄服務中的實際項目。

public:
 static bool Exists(System::String ^ path);
public static bool Exists (string path);
static member Exists : string -> bool
Public Shared Function Exists (path As String) As Boolean

參數

path
String

所要驗證之項目的路徑。

傳回

如果指定的路徑表示目錄服務中的有效項目,則為 true;否則為 false

範例

下列範例會採用一個自變數,並判斷路徑是否對應至有效的 DirectoryEntry

Dim myADSPath As String = "LDAP://onecity/CN=Users,DC=onecity,DC=corp,DC=fabrikam,DC=com"  
' Determine whether the given path is correct for the DirectoryEntry.  
If DirectoryEntry.Exists(myADSPath) Then  
   Console.WriteLine("The path {0} is valid",myADSPath)  
Else  
   Console.WriteLine("The path {0} is invalid",myADSPath)  
End If  
string myADSPath ="LDAP://onecity/CN=Users,DC=onecity,DC=corp,DC=fabrikam,DC=com";  

// Determine whether the given path is correct for the DirectoryEntry.  
if (DirectoryEntry.Exists(myADSPath))  
{  
    Console.WriteLine("The path {0} is valid",myADSPath);  
}  
    else  
{  
    Console.WriteLine("The path {0} is invalid",myADSPath);  
}  
String^ myADSPath = "LDAP://onecity/CN=Users,DC=onecity,DC=corp,DC=fabrikam,DC=com";  
// Determine whether the given path is correct for the DirectoryEntry.  
if (DirectoryEntry::Exists(myADSPath))   
{  
    Console::WriteLine("The path {0} is valid", myADSPath);  
}   
else   
{  
    Console::WriteLine("The path {0} is invalid", myADSPath);  
}  

適用於