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ContextNodeType Class

Defines values that specify the ContextNode object type.

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

public sealed class ContextNodeType

The ContextNode.Type property and the InkAnalyzer.FindNodesOfType method frequently reference the fields in System.Windows.Ink.ContextNodeType.

This example sets the Text property of a TextBox named selectedResultsTextBox, to display the string value associated with a selected ContextNode named selectedNode. The example uses the Type property to designate the text display, based on the type value of the ContextNode.

if (selectedNode.Type == ContextNodeType.WritingRegion)
    WritingRegionNode writingRegion = (WritingRegionNode)selectedNode;
    selectedResultsTextBox.Text = writingRegion.GetRecognizedString();
else if (selectedNode.Type == ContextNodeType.Paragraph)
    ParagraphNode paragraph = (ParagraphNode)selectedNode;
    selectedResultsTextBox.Text = paragraph.GetRecognizedString();
else if (selectedNode.Type == ContextNodeType.Line)
    LineNode line = (LineNode)selectedNode;
    selectedResultsTextBox.Text = line.GetRecognizedString();
else if (selectedNode.Type == ContextNodeType.InkWord)
    InkWordNode inkWord = (InkWordNode)selectedNode;
    ContextNode parentNode = inkWord.ParentNode;
    if (parentNode is LineNode)
        LineNode parentLine = (LineNode)parentNode;
        // Put parent line's recognized string into the text box
        selectedResultsTextBox.Text = parentLine.GetRecognizedString();

        // Select the text that corresponds to the ink word
        ContextNodeCollection subNodes = new ContextNodeCollection(theInkAnalyzer);
        int start;
        int length;
        parentLine.GetTextRangeFromNodes(subNodes, out start, out length);
        if (start >= 0 && length > 0)
            selectedResultsTextBox.Select(start, length);
else if (selectedNode.Type == ContextNodeType.InkDrawing)
    InkDrawingNode drawingNode = (InkDrawingNode)selectedNode;
    selectedResultsTextBox.Text = drawingNode.GetShapeName();
else if (selectedNode.Type == ContextNodeType.InkBullet)
    InkBulletNode bulletNode = (InkBulletNode)selectedNode;
    selectedResultsTextBox.Text = bulletNode.GetRecognizedString();
else if (selectedNode.Type == ContextNodeType.CustomRecognizer)
    CustomRecognizerNode customRecognizer = (CustomRecognizerNode)selectedNode;
    selectedResultsTextBox.Text = customRecognizer.GetRecognizedString();
else if (selectedNode.Type == ContextNodeType.Object)
    ObjectNode selectedObject = (ObjectNode)selectedNode;
    selectedResultsTextBox.Text = selectedObject.GetRecognizedString();
    selectedResultsTextBox.Text = "";


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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