InkAnalyzerBase.UpdateStrokesCacheBase Event

Occurs before the ink analyzer accesses stroke data.

Namespace:  System.Windows.Ink.AnalysisCore
Assembly:  IACore (in IACore.dll)

public event UpdateStrokesCacheBaseEventHandler UpdateStrokesCacheBase

The ink analyzer raises this event during ink analysis when it accesses one or more strokes for which the packet data has been cleared. To update the stroke packet data, use the UpdateStrokeData or UpdateStrokesData method.

The ink analyzer does not raise this event when accessing a partially populated ink leaf node when the location of the node has not been set by the ink analyzer.

For more information about synchronizing your application data with the InkAnalyzerBase, see Data Proxy with Ink Analysis.

The following example defines a method, theInkAnalyzerBase_UpdateStrokesCacheBase, that handles the UpdateStrokesCacheBase event of an InkAnalyzerBase. This method retrieves stroke data from an Ink object, theInk. If your application is using an Ink object to store stroke data, your application should use the derived InkAnalyzer class.

/// <summary> 
/// Handles the UpdateStrokesCacheBase event of an InkAnalyzerBase. 
/// </summary> 
/// <param name="sender">The source of the event.</param>
/// <param name="e">The event data.</param>
/// <remarks> 
/// This method converts stroke data to packet data for example only. 
/// The InkAnalyzerBase is used when your application is handling packet 
/// data. If your application uses stroke data from an Ink object, then 
/// you would use InkAnalyzer. 
/// </remarks> 
void theInkAnalyzerBase_UpdateStrokesCacheBase(
    object sender, System.Windows.Ink.AnalysisCore.UpdateStrokesCacheBaseEventArgs e)
{
    // The source is an InkAnalyzerBase.
    System.Windows.Ink.AnalysisCore.InkAnalyzerBase theInkAnalyzerBase =
        sender as System.Windows.Ink.AnalysisCore.InkAnalyzerBase;

    // Add the stroke data to the ink analyzer. 
    foreach (Microsoft.Ink.Stroke theStroke
        in this.theInk.CreateStrokes(e.GetStrokeIds()))
    {
        theInkAnalyzerBase.UpdateStrokeData(
            theStroke.Id, theStroke.GetPacketData(),
            theStroke.PacketDescription);
    }
}

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: 3.0
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