PackageStore.RemovePackage(Uri) Metode

Referensi

Definisi

Ruang nama:: System.IO.Packaging

Rakitan:: PresentationCore.dll

Penting

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Package Menghapus dengan URI tertentu dari penyimpanan.

public:
 static void RemovePackage(Uri ^ uri);

public static void RemovePackage (Uri uri);

static member RemovePackage : Uri -> unit

Public Shared Sub RemovePackage (uri As Uri)

Parameter

uri: Uri

Pengidentifikasi sumber daya seragam (URI) dari paket yang akan dihapus.

Pengecualian

ArgumentNullException

packageUriadalah null.

ArgumentException

packageUri adalah URI paket yang tidak valid.

Contoh

Contoh berikut menunjukkan cara menggunakan RemovePackage metode .

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

Keterangan

packageUri dicocokkan dengan URI yang ditentukan dalam AddPackage panggilan metode.

Catatan Keamanan Metode ini menuntut EnvironmentPermission semua jenis kustom Package (non-).ZipPackage

Berlaku untuk

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