StrokeCollection.GetPropertyData(Guid) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Returns the value of the custom property associated with the specified Guid.
public:
System::Object ^ GetPropertyData(Guid propertyDataId);
public object GetPropertyData (Guid propertyDataId);
member this.GetPropertyData : Guid -> obj
Public Function GetPropertyData (propertyDataId As Guid) As Object
Parameters
Returns
The value of the custom property associated with the specified Guid.
Exceptions
propertyDataId
is not associated with a custom property of the StrokeCollection.
Examples
The following example demonstrates how to add and get custom property data. The AddTimeStamp_Click
method uses the AddPropertyData method to add the current time to the StrokeCollection. The GetTimeStap_Click
method uses the GetPropertyData method to retrieve the timestamp from the StrokeCollection. This example assumes that there is an InkCanvas called inkCanvas1
.
Guid timestamp = new Guid("12345678-9012-3456-7890-123456789012");
// Add a timestamp to the StrokeCollection.
private void AddTimestamp_Click(object sender, RoutedEventArgs e)
{
inkCanvas1.Strokes.AddPropertyData(timestamp, DateTime.Now);
}
// Get the timestamp of the StrokeCollection.
private void GetTimestamp_Click(object sender, RoutedEventArgs e)
{
if (inkCanvas1.Strokes.ContainsPropertyData(timestamp))
{
object date = inkCanvas1.Strokes.GetPropertyData(timestamp);
if (date is DateTime)
{
MessageBox.Show("This StrokeCollection's timestamp is " +
((DateTime)date).ToString());
}
}
else
{
MessageBox.Show(
"The StrokeCollection does not have a timestamp.");
}
}
Private timestamp As New Guid("12345678-9012-3456-7890-123456789012")
' Add a timestamp to the StrokeCollection.
Private Sub AddTimestamp_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
inkCanvas1.Strokes.AddPropertyData(timestamp, DateTime.Now)
End Sub
' Get the timestamp of the StrokeCollection.
Private Sub GetTimestamp_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
If inkCanvas1.Strokes.ContainsPropertyData(timestamp) Then
Dim savedDate As Object = inkCanvas1.Strokes.GetPropertyData(timestamp)
If TypeOf savedDate Is DateTime Then
MessageBox.Show("This StrokeCollection's timestamp is " & _
CType(savedDate, DateTime).ToString())
End If
Else
MessageBox.Show("The StrokeCollection does not have a timestamp.")
End If
End Sub
Remarks
The AddPropertyData and GetPropertyData methods enable you to add custom properties to a StrokeCollection. You can then include extra information with a StrokeCollection.
Applies to
Feedback
https://aka.ms/ContentUserFeedback.
Kommer snart: I hele 2024 udfaser vi GitHub-problemer som feedbackmekanisme for indhold og erstatter det med et nyt feedbacksystem. Du kan få flere oplysninger under:Indsend og få vist feedback om