InkAnalyzerBase.ContextNodePropertiesUpdatedBase 事件

项目
11/04/2008

在墨迹分析器更新 ContextNodeBase 的一个或多个属性之后发生。

命名空间： System.Windows.Ink.AnalysisCore
程序集： IACore（在 IACore.dll 中）

语法

声明
Public Event ContextNodePropertiesUpdatedBase As ContextNodePropertiesUpdatedBaseEventHandler
用法
Dim instance As InkAnalyzerBase
Dim handler As ContextNodePropertiesUpdatedBaseEventHandler

AddHandler instance.ContextNodePropertiesUpdatedBase, handler

public event ContextNodePropertiesUpdatedBaseEventHandler ContextNodePropertiesUpdatedBase

public:
 event ContextNodePropertiesUpdatedBaseEventHandler^ ContextNodePropertiesUpdatedBase {
    void add (ContextNodePropertiesUpdatedBaseEventHandler^ value);
    void remove (ContextNodePropertiesUpdatedBaseEventHandler^ value);
}

/** @event */
public void add_ContextNodePropertiesUpdatedBase (ContextNodePropertiesUpdatedBaseEventHandler value)
/** @event */
public void remove_ContextNodePropertiesUpdatedBase (ContextNodePropertiesUpdatedBaseEventHandler value)

JScript 不支持事件。

备注

如果您的应用程序维护其自己的数据结构（该数据结构与 InkAnalyzerBase 的数据结构同步），请使用此事件。在墨迹分析的协调阶段中，或是在响应更改 ContextNodeBase 的属性的墨迹分析器方法时，将发生此事件。

有关将应用程序数据与 InkAnalyzerBase 同步的更多信息，请参见Data Proxy with Ink Analysis。

示例

下面的示例定义方法 AttachDataProxyEventHandlers，该方法将数据代理事件处理程序附加到 InkAnalyzerBase (baseInkAnalyzer)。

Private Sub AttachDataProxyEventHandlers()
    ' If the document model supports on demand data proxy, then add an
    ' event handler for the PopulateContextNodeBase event. This event is raised
    ' when the InkAnalyzerBase accesses a partially populated ContextNodeBase
    ' created by the document model.
    If Me.baseDocumentModel.SupportsOnDemandDataProxy Then
        AddHandler Me.baseInkAnalyzer.PopulateContextNodeBase, AddressOf Me.PopulateContextNodeBase
    End If

    ' Add the other data proxy related event handlers. These events are raised
    ' by the InkAnalyzer to communicate parsing results to the document model.
    AddHandler Me.baseInkAnalyzer.ContextNodeCreatedBase, _
        AddressOf Me.AddContextNodeBase
    AddHandler Me.baseInkAnalyzer.ContextNodeDeletingBase, _
        AddressOf Me.RemoveContextNodeBase
    AddHandler Me.baseInkAnalyzer.ContextNodeLinkAddingBase, _
        AddressOf Me.AddContextNodeLinkBase
    AddHandler Me.baseInkAnalyzer.ContextNodeLinkDeletingBase, _
        AddressOf Me.RemoveContextNodeLinkBase
    AddHandler Me.baseInkAnalyzer.ContextNodeMovingToPositionBase, _
        AddressOf Me.MoveContextNodeBaseToPosition
    AddHandler Me.baseInkAnalyzer.ContextNodePropertiesUpdatedBase, _
        AddressOf Me.UpdateContextNodeBaseProperties
    AddHandler Me.baseInkAnalyzer.ContextNodeReparentingBase, _
        AddressOf Me.ReparentContextNodeBase
    AddHandler Me.baseInkAnalyzer.InkAnalyzerStateChangingBase, _
        AddressOf Me.InkAnalyzerBase_StateChanging
    AddHandler Me.baseInkAnalyzer.StrokesReparentedBase, _
        AddressOf Me.ReparentStroke
    AddHandler Me.baseInkAnalyzer.IntermediateResultsUpdatedBase, _
        AddressOf Me.BaseResultsAvailable
    AddHandler Me.baseInkAnalyzer.ResultsUpdatedBase, _
        AddressOf Me.BaseResultsAvailable

End Sub 'AttachDataProxyEventHandlers

        private void AttachDataProxyEventHandlers()
        {
            // If the document model supports on demand data proxy, then add an
            // event handler for the PopulateContextNodeBase event. This event is raised
            // when the InkAnalyzerBase accesses a partially populated ContextNodeBase
            // created by the document model.
            if (this.baseDocumentModel.SupportsOnDemandDataProxy)
            {
                this.baseInkAnalyzer.PopulateContextNodeBase +=
                    new System.Windows.Ink.AnalysisCore.PopulateContextNodeBaseEventHandler(
                        this.PopulateContextNodeBase);
            }

            // Add the other data proxy related event handlers. These events are raised
            // by the InkAnalyzer to communicate parsing results to the document model.
            this.baseInkAnalyzer.ContextNodeCreatedBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeCreatedBaseEventHandler(
                    this.AddContextNodeBase);
            this.baseInkAnalyzer.ContextNodeDeletingBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeDeletingBaseEventHandler(
                    this.RemoveContextNodeBase);
            this.baseInkAnalyzer.ContextNodeLinkAddingBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeLinkAddingBaseEventHandler(
                    this.AddContextNodeLinkBase);
            this.baseInkAnalyzer.ContextNodeLinkDeletingBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeLinkDeletingBaseEventHandler(
                    this.RemoveContextNodeLinkBase);
            this.baseInkAnalyzer.ContextNodeMovingToPositionBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeMovingToPositionBaseEventHandler(
                    this.MoveContextNodeBaseToPosition);
            this.baseInkAnalyzer.ContextNodePropertiesUpdatedBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodePropertiesUpdatedBaseEventHandler(
                    this.UpdateContextNodeBaseProperties);
            this.baseInkAnalyzer.ContextNodeReparentingBase +=
                new System.Windows.Ink.AnalysisCore.ContextNodeReparentingBaseEventHandler(
                    this.ReparentContextNodeBase);
            this.baseInkAnalyzer.InkAnalyzerStateChangingBase +=
                new System.Windows.Ink.AnalysisCore.InkAnalyzerStateChangingBaseEventHandler(
                    this.InkAnalyzerBase_StateChanging);
            this.baseInkAnalyzer.StrokesReparentedBase +=
                new System.Windows.Ink.AnalysisCore.StrokesReparentedBaseEventHandler(
                    this.ReparentStroke);
            this.baseInkAnalyzer.IntermediateResultsUpdatedBase +=
                new System.Windows.Ink.AnalysisCore.ResultsUpdatedBaseEventHandler(
                    this.BaseResultsAvailable);
            this.baseInkAnalyzer.ResultsUpdatedBase +=
                new System.Windows.Ink.AnalysisCore.ResultsUpdatedBaseEventHandler(
                    this.BaseResultsAvailable);
        }

下面的示例定义 UpdateContextNodeBaseProperties 方法，用以处理 ContextNodePropertiesUpdatedBase 事件。事件信息将传递给文档模型对象 baseDocumentModel。

此示例不提供文档模型的定义，也不演示文档模型如何处理传入的信息。

''' <summary>
''' Handles the InkAnalyzerBase.ContextNodePropertiesUpdatedBase event.
''' </summary>
''' <param name="sender">The source of the event.</param>
''' <param name="e">The event data.</param>
Private Sub UpdateContextNodeBaseProperties( _
    ByVal sender As Object, _
    ByVal e As System.Windows.Ink.AnalysisCore.ContextNodePropertiesUpdatedBaseEventArgs)

    Me.baseDocumentModel.UpdateNodeProperties(e.UpdatedNode)

End Sub 'UpdateContextNodeBaseProperties

        /// <summary>
        /// Handles the InkAnalyzerBase.ContextNodePropertiesUpdatedBase event.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The event data.</param>
        private void UpdateContextNodeBaseProperties(
            object sender,
            System.Windows.Ink.AnalysisCore.ContextNodePropertiesUpdatedBaseEventArgs e)
        {
            this.baseDocumentModel.UpdateNodeProperties(e.UpdatedNode);
        }