更新: 2008 年 7 月
当在默认的双击操作之前双击 NamedRange 控件时发生。
命名空间:  Microsoft.Office.Tools.Excel
程序集:  Microsoft.Office.Tools.Excel.v9.0(在 Microsoft.Office.Tools.Excel.v9.0.dll 中)
语法
声明
Public Event BeforeDoubleClick As DocEvents_BeforeDoubleClickEventHandler
用法
Dim instance As NamedRange
Dim handler As DocEvents_BeforeDoubleClickEventHandler
AddHandler instance.BeforeDoubleClick, handler
public event DocEvents_BeforeDoubleClickEventHandler BeforeDoubleClick
备注
如果双击重叠的 NamedRange 控件,将对发生重叠的每个控件引发该事件。
示例
下面的代码示例创建一个 NamedRange,然后用文本 Delete 填充所有的单元格。若要测试事件,请右击某个单元格,以便在该范围周围出现一个边框,然后双击某个单元格即可清除该范围。
此版本针对的是文档级自定义项。
Private clickRange As Microsoft.Office.Tools.Excel.NamedRange
Private Sub ClickToChangeRange()
    clickRange = Me.Controls.AddNamedRange(Me.Range("B2", "D4"), _
        "clickRange")
    clickRange.Value2 = "Delete"
    AddHandler clickRange.BeforeDoubleClick, _
        AddressOf clickRange_BeforeDoubleClick
    AddHandler clickRange.BeforeRightClick, _
        AddressOf clickRange_BeforeRightClick
End Sub
Sub clickRange_BeforeRightClick(ByVal Target As Excel.Range, _
    ByRef Cancel As Boolean)
    clickRange.BorderAround(, Excel.XlBorderWeight.xlThick, _
        Excel.XlColorIndex.xlColorIndexAutomatic, )
    Cancel = True
End Sub
Sub clickRange_BeforeDoubleClick(ByVal Target As _
    Excel.Range, ByRef Cancel As Boolean)
    clickRange.Clear()
    Cancel = True
End Sub
Microsoft.Office.Tools.Excel.NamedRange clickRange;
private void ClickToChangeRange()
{
    clickRange = this.Controls.AddNamedRange(
        this.Range["B2", "D4"], "clickRange");
    clickRange.Value2 = "Delete";
    clickRange.BeforeDoubleClick += new 
        Microsoft.Office.Interop.Excel.
        DocEvents_BeforeDoubleClickEventHandler(
        clickRange_BeforeDoubleClick);
    clickRange.BeforeRightClick += new 
        Microsoft.Office.Interop.Excel.
        DocEvents_BeforeRightClickEventHandler(
        clickRange_BeforeRightClick);
}
void clickRange_BeforeRightClick(
    Excel.Range Target, ref bool Cancel)
{
    clickRange.BorderAround(missing, Excel.XlBorderWeight.xlThick,
        Excel.XlColorIndex.xlColorIndexAutomatic, missing);
    Cancel = true;
}
void clickRange_BeforeDoubleClick(
    Excel.Range Target, ref bool Cancel)
{
    clickRange.Clear();
    Cancel = true;
}
此版本针对的是应用程序级外接程序。
Private clickRange As NamedRange
Private Sub ClickToChangeRange()
    Dim vstoWorksheet As Worksheet = CType( _
        Me.Application.ActiveWorkbook.Worksheets(1),  _
        Excel.Worksheet).GetVstoObject()
    clickRange = vstoWorksheet.Controls.AddNamedRange( _
    vstoWorksheet.Range("B2", "D4"), _
        "clickRange")
    clickRange.Value2 = "Delete"
    AddHandler clickRange.BeforeDoubleClick, _
        AddressOf clickRange_BeforeDoubleClick
    AddHandler clickRange.BeforeRightClick, _
        AddressOf clickRange_BeforeRightClick
End Sub
Sub clickRange_BeforeRightClick(ByVal Target As Excel.Range, _
    ByRef Cancel As Boolean)
    clickRange.BorderAround(, Excel.XlBorderWeight.xlThick, _
        Excel.XlColorIndex.xlColorIndexAutomatic, )
    Cancel = True
End Sub
Sub clickRange_BeforeDoubleClick(ByVal Target As  _
    Excel.Range, ByRef Cancel As Boolean)
    clickRange.Clear()
    Cancel = True
End Sub
NamedRange clickRange;
private void ClickToChangeRange()
{
    Worksheet vstoWorksheet = ((Excel.Worksheet)
        this.Application.ActiveWorkbook.Worksheets[1]).GetVstoObject();
    clickRange = vstoWorksheet.Controls.AddNamedRange(
        vstoWorksheet.Range["B2", "D4"], "clickRange");
    clickRange.Value2 = "Delete";
    clickRange.BeforeDoubleClick += new
        Excel.DocEvents_BeforeDoubleClickEventHandler(
        clickRange_BeforeDoubleClick);
    clickRange.BeforeRightClick += new
        Excel.DocEvents_BeforeRightClickEventHandler(
        clickRange_BeforeRightClick);
}
void clickRange_BeforeRightClick(
    Excel.Range Target, ref bool Cancel)
{
    clickRange.BorderAround(missing, Excel.XlBorderWeight.xlThick,
        Excel.XlColorIndex.xlColorIndexAutomatic, missing);
    Cancel = true;
}
void clickRange_BeforeDoubleClick(
    Excel.Range Target, ref bool Cancel)
{
    clickRange.Clear();
    Cancel = true;
}
权限
- 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。
另请参见
参考
Microsoft.Office.Tools.Excel 命名空间
修订记录
| 日期 | 修订记录 | 原因 | 
|---|---|---|
| 2008 年 7 月 | 添加了一个针对应用程序级外接程序的代码示例版本。 | SP1 功能更改。 |