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PackageStore.RemovePackage(Uri) Metoda

  • Odwołanie

Definicja

Przestrzeń nazw:
System.IO.Packaging
Zestaw:
PresentationCore.dll

Usuwa element Package z określonym identyfikatorem URI ze sklepu.

public:
 static void RemovePackage(Uri ^ uri);
public static void RemovePackage (Uri uri);
static member RemovePackage : Uri -> unit
Public Shared Sub RemovePackage (uri As Uri)

Parametry

uri
Uri

Identyfikator URI (Uniform Resource Identifier) pakietu do usunięcia.

Wyjątki

ArgumentNullException

packageUri to null.

ArgumentException

packageUri jest nieprawidłowym identyfikatorem URI pakietu.

Przykłady

W poniższym przykładzie pokazano, jak używać RemovePackage metody .

// --------------------------- CloseDocument --------------------------
/// <summary>
///   Closes the document currently displayed in
///   the DocumentViewer control.</summary>
public void CloseDocument()
{
    if (_xpsFile != null)
    {
        ShowStatus("Closing '" + Filename(_xpsFile) + "'");
        DocViewer.Document = null;
        _xpsFile = null;
    }

    // If the package is open, close it.
    if (_xpsPackage != null)
    {
        _xpsPackage.Close();
        _xpsPackage = null;
    }

    // The package is closed, remove it from the store.
    if (_packageUri != null)
    {
        PackageStore.RemovePackage(_packageUri);
        _packageUri = null;
    }

    // Disable document-related selections when there's no document.
    menuFileClose.IsEnabled = false;
    menuFilePrint.IsEnabled = false;
    menuViewIncreaseZoom.IsEnabled = false;
    menuViewDecreaseZoom.IsEnabled = false;
    this.Title = "RightsManagedPackageViewer SDK Sample";
    ShowPrompt(
        "Click 'File | Open...' to select a file to open and view.");
    rightsBlock.Text = "";
}// end:CloseDocument

' --------------------------- CloseDocument --------------------------
''' <summary>
'''   Closes the document currently displayed in
'''   the DocumentViewer control.</summary>
Public Sub CloseDocument()
    If _xpsFile IsNot Nothing Then
        ShowStatus("Closing '" & Filename(_xpsFile) & "'")
        DocViewerProperty.Document = Nothing
        _xpsFile = Nothing
    End If

    ' If the package is open, close it.
    If _xpsPackage IsNot Nothing Then
        _xpsPackage.Close()
        _xpsPackage = Nothing
    End If

    ' The package is closed, remove it from the store.
    If _packageUri IsNot Nothing Then
        PackageStore.RemovePackage(_packageUri)
        _packageUri = Nothing
    End If

    ' Disable document-related selections when there's no document.
    menuFileClose.IsEnabled = False
    menuFilePrint.IsEnabled = False
    menuViewIncreaseZoom.IsEnabled = False
    menuViewDecreaseZoom.IsEnabled = False
    Me.Title = "RightsManagedPackageViewer SDK Sample"
    ShowPrompt("Click 'File | Open...' to select a file to open and view.")
    rightsBlock.Text = ""

End Sub

Uwagi

packageUri jest dopasowywany do identyfikatorów URI określonych w wywołaniu AddPackage metody.

Uwaga dotycząca zabezpieczeń Ta metoda wymaga EnvironmentPermission wszystkich typów niestandardowych Package (innych niżZipPackage).

Dotyczy

Zobacz też