ListObject.Change (Evento)
Se produce cuando tiene lugar algún cambio en el control ListObject.
Espacio de nombres: Microsoft.Office.Tools.Excel
Ensamblado: Microsoft.Office.Tools.Excel (en Microsoft.Office.Tools.Excel.dll)
Sintaxis
'Declaración
Event Change As ListObjectChangeHandler
event ListObjectChangeHandler Change
Comentarios
Se provoca este evento si el control ListObject se modifica mediante programación o interacción del usuario.
Este evento no se produce cuando las celdas cambian durante un nuevo cálculo.
Ejemplos
En el siguiente ejemplo de código se crea un objeto ListObject y un controlador de eventos Change. Para provocar el evento Change, agregue texto a una de las celdas del objeto ListObject y, a continuación, presione ENTRAR.
Se trata de una versión para una personalización en el nivel del documento.
WithEvents ChangeList As Microsoft.Office.Tools.Excel.ListObject
Private Sub ListObject_Change()
ChangeList = Me.Controls.AddListObject( _
Me.Range("A1", "C4"), "ChangeList")
End Sub
Sub List1_Change(ByVal targetRange As _
Microsoft.Office.Interop.Excel.Range, _
ByVal changedRanges As Microsoft.Office.Tools.Excel.ListRanges) _
Handles ChangeList.Change
Dim cellAddress As String = targetRange.Address( _
ReferenceStyle:=Excel.XlReferenceStyle.xlA1)
Select Case changedRanges
Case Microsoft.Office.Tools.Excel.ListRanges.DataBodyRange
MsgBox("The cells at range " & cellAddress & _
" in the data body changed.")
Case Microsoft.Office.Tools.Excel.ListRanges.HeaderRowRange
MsgBox("The cells at range " & cellAddress & _
" in the header row changed.")
Case Microsoft.Office.Tools.Excel.ListRanges.TotalsRowRange
MsgBox("The cells at range " & cellAddress & _
" in the totals row changed.")
Case Else
MsgBox("The cells at range " & cellAddress & _
" changed.")
End Select
End Sub
private void ListObject_Change()
{
Microsoft.Office.Tools.Excel.ListObject list1 =
this.Controls.AddListObject(
this.Range["A1", "C4"], "list1");
list1.Change += new Microsoft.Office.Tools.Excel.
ListObjectChangeHandler(list1_Change);
}
void list1_Change(Microsoft.Office.Interop.Excel.Range
targetRange, Microsoft.Office.Tools.Excel.ListRanges
changedRanges)
{
string cellAddress = targetRange.get_Address(
missing, missing, Excel.XlReferenceStyle.xlA1,
missing, missing);
switch (changedRanges)
{
case Microsoft.Office.Tools.Excel.ListRanges.DataBodyRange:
MessageBox.Show("The cells at range " + cellAddress +
" in the data body changed.");
break;
case Microsoft.Office.Tools.Excel.ListRanges.HeaderRowRange:
MessageBox.Show("The cells at range " + cellAddress +
" in the header row changed.");
break;
case Microsoft.Office.Tools.Excel.ListRanges.TotalsRowRange:
MessageBox.Show("The cells at range " + cellAddress +
" in the totals row changed.");
break;
default:
MessageBox.Show("The cells at range " + cellAddress +
" changed.");
break;
}
}
Se trata de una versión para un complemento en el nivel de la aplicación.
WithEvents ChangeList As ListObject
Private Sub ListObject_Change()
Dim NativeWorksheet As Microsoft.Office.Interop.Excel.Worksheet =
Me.Application.Worksheets(1)
Dim vstoWorksheet As Microsoft.Office.Tools.Excel.Worksheet =
Globals.Factory.GetVstoObject(NativeWorksheet)
ChangeList = vstoWorksheet.Controls.AddListObject( _
vstoWorksheet.Range("A1", "C4"), "ChangeList")
End Sub
Sub List1_Change(ByVal targetRange As _
Microsoft.Office.Interop.Excel.Range, _
ByVal changedRanges As Microsoft.Office.Tools.Excel.ListRanges) _
Handles ChangeList.Change
Dim cellAddress As String = targetRange.Address( _
ReferenceStyle:=Excel.XlReferenceStyle.xlA1)
Select Case changedRanges
Case ListRanges.DataBodyRange
MsgBox("The cells at range " & cellAddress & _
" in the data body changed.")
Case ListRanges.HeaderRowRange
MsgBox("The cells at range " & cellAddress & _
" in the header row changed.")
Case ListRanges.TotalsRowRange
MsgBox("The cells at range " & cellAddress & _
" in the totals row changed.")
Case Else
MsgBox("The cells at range " & cellAddress & _
" changed.")
End Select
End Sub
private void ListObject_Change()
{
Worksheet vstoWorksheet =
Globals.Factory.GetVstoObject(this.Application.ActiveWorkbook.Worksheets[1]);
ListObject list1 =
vstoWorksheet.Controls.AddListObject(
vstoWorksheet.Range["A1", "C4"], "list1");
list1.Change += new ListObjectChangeHandler(list1_Change);
}
void list1_Change(Microsoft.Office.Interop.Excel.Range
targetRange, Microsoft.Office.Tools.Excel.ListRanges
changedRanges)
{
string cellAddress = targetRange.get_Address(
missing, missing, Excel.XlReferenceStyle.xlA1,
missing, missing);
switch (changedRanges)
{
case ListRanges.DataBodyRange:
System.Windows.Forms.MessageBox.Show("The cells at range " + cellAddress +
" in the data body changed.");
break;
case ListRanges.HeaderRowRange:
System.Windows.Forms.MessageBox.Show("The cells at range " + cellAddress +
" in the header row changed.");
break;
case ListRanges.TotalsRowRange:
System.Windows.Forms.MessageBox.Show("The cells at range " + cellAddress +
" in the totals row changed.");
break;
default:
System.Windows.Forms.MessageBox.Show("The cells at range " + cellAddress +
" changed.");
break;
}
}
Seguridad de .NET Framework
- Plena confianza para el llamador inmediato. Un código de confianza parcial no puede utilizar este miembro. Para obtener más información, vea Utilizar bibliotecas de código que no es de plena confianza.