XMLNode.ContextLeave 事件

当光标从 XMLNode 控件或它的一个子代节点移到原始节点上下文以外的区域时发生。

命名空间：  Microsoft.Office.Tools.Word
程序集：  Microsoft.Office.Tools.Word（在 Microsoft.Office.Tools.Word.dll 中）

语法

声明
Event ContextLeave As ContextChangeEventHandler

event ContextChangeEventHandler ContextLeave

备注

ContextLeave 事件与 Deselect 事件不同。ContextLeave 事件只在上下文发生更改时才会发生。有关更多信息，请参见XMLNode 控件。

示例

下面的代码示例演示 Select、Deselect、ContextEnter 和 ContextLeave 事件的事件处理程序。引发 Select 和 Deselect 事件时，事件处理程序会根据具体事件为所选内容的边框添加双线或移除双线。引发 ContextEnter 和 ContextLeave 事件时，事件处理程序会显示消息，指出最新选择的节点和之前选择的节点的名称。此示例假定当前文档包含一个名为 CustomerNode 的 XMLNode。

Private Sub CustomerNode_Select(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Word.ContextChangeEventArgs) _
    Handles CustomerNode.Select

    e.Selection.Borders.OutsideLineStyle = _
        Word.WdLineStyle.wdLineStyleDouble
End Sub

Private Sub CustomerNode_Deselect(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Word.ContextChangeEventArgs) _
    Handles CustomerNode.Deselect

    e.Selection.Borders.OutsideLineStyle = _
        Word.WdLineStyle.wdLineStyleNone
End Sub

Private Sub CustomerNode_ContextEnter(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Word.ContextChangeEventArgs) _
    Handles CustomerNode.ContextEnter

    MsgBox("You entered the node '" & e.NewXMLNode.BaseName & "'.")
End Sub

Private Sub CustomerNode_ContextLeave(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Word.ContextChangeEventArgs) _
    Handles CustomerNode.ContextLeave

    MsgBox("You left the node '" & e.OldXMLNode.BaseName & "'.")
End Sub

private void XMLNodeSelections()
{
    this.CustomerNode.ContextEnter +=
        new Microsoft.Office.Tools.Word.ContextChangeEventHandler(
        CustomerNode_ContextEnter);

    this.CustomerNode.ContextLeave +=
        new Microsoft.Office.Tools.Word.ContextChangeEventHandler(
        CustomerNode_ContextLeave);

    this.CustomerNode.Select += 
        new Microsoft.Office.Tools.Word.ContextChangeEventHandler(
        CustomerNode_Select); 

    this.CustomerNode.Deselect +=
        new Microsoft.Office.Tools.Word.ContextChangeEventHandler(
        CustomerNode_Deselect);
}

void CustomerNode_Select(object sender, 
    Microsoft.Office.Tools.Word.ContextChangeEventArgs e)
{
    e.Selection.Borders.OutsideLineStyle =
        Word.WdLineStyle.wdLineStyleDouble;
}

void CustomerNode_Deselect(object sender,
    Microsoft.Office.Tools.Word.ContextChangeEventArgs e)
{
    e.Selection.Borders.OutsideLineStyle =
        Word.WdLineStyle.wdLineStyleNone;
}

void CustomerNode_ContextEnter(object sender,
    Microsoft.Office.Tools.Word.ContextChangeEventArgs e)
{
    MessageBox.Show("You entered the node '" +
        e.NewXMLNode.BaseName + "'.");
}

void CustomerNode_ContextLeave(object sender,
    Microsoft.Office.Tools.Word.ContextChangeEventArgs e)
{
    MessageBox.Show("You left the node '" +
        e.OldXMLNode.BaseName + "'.");
}

.NET Framework 安全性

• 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息，请参见通过部分受信任的代码使用库。

请参见

参考

XMLNode 接口

Microsoft.Office.Tools.Word 命名空间