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ChartSheetBase.ActivateEvent Event

Occurs when the Microsoft.Office.Tools.Excel.ChartSheetBase is activated.

Namespace:  Microsoft.Office.Tools.Excel
Assembly:  Microsoft.Office.Tools.Excel.v4.0.Utilities (in Microsoft.Office.Tools.Excel.v4.0.Utilities.dll)

public event ChartEvents_ActivateEventHandler ActivateEvent

The following code example demonstrates a handler for the ActivateEvent event that displays a message box when the current Microsoft.Office.Tools.Excel.ChartSheetBase is activated.

private void DisplayWhenActivated()
    Globals.Sheet1.Range["A1", "A5"].Value2 = 22;
    Globals.Sheet1.Range["B1", "B5"].Value2 = 55;

    this.SetSourceData(Globals.Sheet1.Range["A1", "B5"],
    this.ChartType = Excel.XlChartType.xl3DColumn;

    this.ActivateEvent +=
        new Excel.ChartEvents_ActivateEventHandler(

void ChartSheet1_ActivateEvent()
    MessageBox.Show("The chart sheet was was activated.");

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