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Stroke.AddPropertyData Method

Adds a custom property to the Stroke object.

Namespace:  System.Windows.Ink
Assembly:  PresentationCore (in PresentationCore.dll)

public void AddPropertyData(
	Guid propertyDataId,
	Object propertyData
)
You cannot use methods in XAML.

Parameters

propertyDataId
Type: System.Guid

The unique identifier for the property.

propertyData
Type: System.Object

The value of the custom property. propertyData must be of type Char, Byte,Int16,,UInt16, Int32, UInt32, Int64, UInt64, Single, Double, DateTime, Boolean, String, Decimal or an array of these data types, except String, which is not allowed.

ExceptionCondition
ArgumentException

The propertyData argument is not one of the allowed data types listed in the Parameters section.

This method is useful if you need to store extra information in the Stroke.

The following example demonstrates how to add a custom property to a Stroke object.

// Create a guid for the date/timestamp.
Guid dtGuid = new Guid("03457307-3475-3450-3035-640435034540");

DateTime now = DateTime.Now;

// Check whether the property is already saved 
if (thisStroke.ContainsPropertyData(dtGuid))
{
    // Check whether the existing property matches the current date/timestamp
    DateTime oldDT = (DateTime)thisStroke.GetPropertyData(dtGuid);

    if (oldDT != now)
    {
        // Update the current date and time
        thisStroke.AddPropertyData(dtGuid, now);
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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