AnnotationService.Store Özellik
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Tarafından AnnotationServicekullanılan öğesini AnnotationStore alır.
public:
property System::Windows::Annotations::Storage::AnnotationStore ^ Store { System::Windows::Annotations::Storage::AnnotationStore ^ get(); };
public System.Windows.Annotations.Storage.AnnotationStore Store { get; }
member this.Store : System.Windows.Annotations.Storage.AnnotationStore
Public ReadOnly Property Store As AnnotationStore
Özellik Değeri
AnnotationStore Bu AnnotationServicetarafından kullanılan .
Örnekler
Aşağıdaki örnekte, bir AnnotationServiceuygulamasını başlattığınızda ve durdurduğunuzda özelliğinin Store nasıl kullanılacağı gösterilmektedir.
// ------------------------ StartAnnotations --------------------------
/// <summary>
/// Enables annotations and displays all that are viewable.</summary>
private void StartAnnotations()
{
// If there is no AnnotationService yet, create one.
if (_annotService == null)
// docViewer is a document viewing control named in Window1.xaml.
_annotService = new AnnotationService(docViewer);
// If the AnnotationService is currently enabled, disable it.
if (_annotService.IsEnabled == true)
_annotService.Disable();
// Open a stream to the file for storing annotations.
_annotStream = new FileStream(
_annotStorePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
// Create an AnnotationStore using the file stream.
_annotStore = new XmlStreamStore(_annotStream);
// Enable the AnnotationService using the new store.
_annotService.Enable(_annotStore);
}// end:StartAnnotations()
// ------------------------ StopAnnotations ---------------------------
/// <summary>
/// Disables annotation processing and hides all annotations.</summary>
private void StopAnnotations()
{
// If the AnnotationStore is active, flush and close it.
if (_annotStore != null)
{
_annotStore.Flush();
_annotStream.Flush();
_annotStream.Close();
_annotStore = null;
}
// If the AnnotationService is active, shut it down.
if (_annotService != null)
{
if (_annotService.IsEnabled)
{
_annotService.Disable(); // Disable the AnnotationService.
_annotService = null;
}
}
}// end:StopAnnotations()
' ------------------------ StartAnnotations --------------------------
''' <summary>
''' Enables annotations and displays all that are viewable.</summary>
Private Sub StartAnnotations()
' If there is no AnnotationService yet, create one.
If _annotService Is Nothing Then
' docViewer is a document viewing control named in Window1.xaml.
_annotService = New AnnotationService(docViewer)
End If
' If the AnnotationService is currently enabled, disable it.
If _annotService.IsEnabled = True Then
_annotService.Disable()
End If
' Open a stream to the file for storing annotations.
_annotStream = New FileStream(_annotStorePath, FileMode.OpenOrCreate, FileAccess.ReadWrite)
' Create an AnnotationStore using the file stream.
_annotStore = New XmlStreamStore(_annotStream)
' Enable the AnnotationService using the new store.
_annotService.Enable(_annotStore)
End Sub
' ------------------------ StopAnnotations ---------------------------
''' <summary>
''' Disables annotation processing and hides all annotations.</summary>
Private Sub StopAnnotations()
' If the AnnotationStore is active, flush and close it.
If _annotStore IsNot Nothing Then
_annotStore.Flush()
_annotStream.Flush()
_annotStream.Close()
_annotStore = Nothing
End If
' If the AnnotationService is active, shut it down.
If _annotService IsNot Nothing Then
If _annotService.IsEnabled Then
_annotService.Disable() ' Disable the AnnotationService.
_annotService = Nothing
End If
End If
End Sub
Açıklamalar
AnnotationStore tarafından AnnotationService kullanılan, hizmetin Enable yönteminde parametre olarak belirtilir.