Stroke.RemovePropertyData(Guid) Methode

Definition

Namespace:

System.Windows.Ink

Assembly:

PresentationCore.dll

Löscht eine benutzerdefinierte Eigenschaft aus dem Stroke-Objekt.

public:
 void RemovePropertyData(Guid propertyDataId);

public void RemovePropertyData (Guid propertyDataId);

member this.RemovePropertyData : Guid -> unit

Public Sub RemovePropertyData (propertyDataId As Guid)

Parameter

propertyDataId

Guid

Der eindeutige Bezeichner für die Eigenschaft.

Beispiele

Im folgenden Beispiel wird veranschaulicht, wie eine benutzerdefinierte Eigenschaft aus einem Stroke -Objekt gelöscht wird.

// Create a guid for the date/timestamp.
Guid dateTimeGuid = new Guid("03457307-3475-3450-3035-045430534046");

DateTime current = DateTime.Now;

// Check whether the property is already saved
if (thisStroke.ContainsPropertyData(dateTimeGuid))
{
    DateTime oldDateTime = (DateTime)thisStroke.GetPropertyData(dateTimeGuid);

    // Check whether the existing property matches the current date/timestamp
    if (!(oldDateTime == current))
    {
        // Delete the custom property
        thisStroke.RemovePropertyData(dateTimeGuid);
    }
}

' Create a guid for the date/timestamp.
Dim dateTimeGuid As New Guid("03457307-3475-3450-3035-045430534046")

Dim current As DateTime = DateTime.Now

' Check whether the property is already saved
If thisStroke.ContainsPropertyData(dateTimeGuid) Then
    Dim oldDateTime As DateTime = CType(thisStroke.GetPropertyData(dateTimeGuid), DateTime)

    ' Check whether the existing property matches the current date/timestamp
    If Not oldDateTime = current Then
        ' Delete the custom property
        thisStroke.RemovePropertyData(dateTimeGuid)
    End If
End If

Weitere Informationen

• AddPropertyData(Guid, Object)
• ContainsPropertyData(Guid)
• GetPropertyData(Guid)