PackageStore.RemovePackage(Uri) Methode

Definitie

Naamruimte:
System.IO.Packaging
Assembly:
PresentationCore.dll

Hiermee verwijdert u de Package met een opgegeven URI uit de store.

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

Parameters

uri
Uri

De URI (Uniform Resource Identifier) van het pakket dat moet worden verwijderd.

Uitzonderingen

ArgumentNullException

uri is null.

ArgumentException

uri is een ongeldige pakket-URI.

Voorbeelden

In het volgende voorbeeld ziet u hoe u de RemovePackage methode gebruikt.

// --------------------------- 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

Opmerkingen

uri komt overeen met de URI's die zijn opgegeven in de AddPackage methode-aanroep.

Beveiligingsnotitie Deze methode vereist EnvironmentPermission alle aangepaste Package (niet-ZipPackage) typen.

Van toepassing op

Zie ook