IsolatedStorageFile.DeleteDirectory(String) Methode

Definitie

Hiermee verwijdert u een map in het geïsoleerde opslagbereik.

public:
 void DeleteDirectory(System::String ^ dir);
public void DeleteDirectory(string dir);
member this.DeleteDirectory : string -> unit
Public Sub DeleteDirectory (dir As String)

Parameters

dir
String

Het relatieve pad van de map dat moet worden verwijderd binnen het geïsoleerde opslagbereik.

Uitzonderingen

De map kan niet worden verwijderd.

Het pad naar de map was null.

Voorbeelden

// This method deletes directories in the specified Isolated Storage, after first
// deleting the files they contain. In this example, the Archive directory is deleted.
// There should be no other directories in this Isolated Storage.
public void DeleteDirectories()
{
    try
    {
        IsolatedStorageFile isoFile = IsolatedStorageFile.GetStore(IsolatedStorageScope.User |
            IsolatedStorageScope.Assembly |
            IsolatedStorageScope.Domain,
            typeof(System.Security.Policy.Url),
            typeof(System.Security.Policy.Url));
        String[] dirNames = isoFile.GetDirectoryNames("*");
        String[] fileNames = isoFile.GetFileNames("Archive\\*");

        // Delete all the files currently in the Archive directory.

        if (fileNames.Length > 0)
        {
            for (int i = 0; i < fileNames.Length; ++i)
            {
                // Delete the files.
                isoFile.DeleteFile("Archive\\" + fileNames[i]);
            }
            // Confirm that no files remain.
            fileNames = isoFile.GetFileNames("Archive\\*");
        }

        if (dirNames.Length > 0)
        {
            for (int i = 0; i < dirNames.Length; ++i)
            {
                // Delete the Archive directory.
            }
        }
        dirNames = isoFile.GetDirectoryNames("*");
        isoFile.Remove();
    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}
' This method deletes directories in the specified Isolated Storage, after first
' deleting the files they contain. In this example, the Archive directory is deleted.
' There should be no other directories in this Isolated Storage.
Public Sub DeleteDirectories()
    Try
        Dim isoFile As IsolatedStorageFile = IsolatedStorageFile.GetStore(IsolatedStorageScope.User _
            Or IsolatedStorageScope.Assembly Or IsolatedStorageScope.Domain, _
            GetType(System.Security.Policy.Url), GetType(System.Security.Policy.Url))
        Dim name As String
        Dim dirNames As String() = isoFile.GetDirectoryNames("*")
        Dim fileNames As String() = isoFile.GetFileNames("Archive\*")
        ' Delete all the files currently in the Archive directory.
        If fileNames.Length > 0 Then
            For Each name In fileNames
                isoFile.DeleteFile(("Archive\" & name))
            Next name
            'Confirm no files are left.
            fileNames = isoFile.GetFileNames("Archive\*")
        End If
        If dirNames.Length > 0 Then
            For Each name In dirNames
                ' Delete the Archive directory.
                isoFile.DeleteDirectory(name)
            Next name
        End If
        dirNames = isoFile.GetDirectoryNames("*")
        isoFile.Remove()
    Catch ex As Exception
        Console.WriteLine(ex.ToString())
    End Try
End Sub

Opmerkingen

Een map moet leeg zijn voordat deze wordt verwijderd. De verwijderde map kan niet worden hersteld zodra deze is verwijderd.

Het voorbeeld Procedure: Bestanden en mappen verwijderen in Geïsoleerde opslag laat het gebruik van de DeleteDirectory methode zien.

Van toepassing op

Zie ook