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Using Events with Embedded Charts

Office 2007

Events are enabled for chart sheets by default. Before you can use events with a Chart object that represents an embedded chart, you must create a new class module and declare an object of type Chart with events. For example, assume that a new class module is created and named EventClassModule. The new class module contains the following code.

Public WithEvents myChartClass As Chart

After the new object has been declared with events, it appears in the Object drop-down list box in the class module, and you can write event procedures for this object. (When you select the new object in the Object box, the valid events for that object are listed in the Procedure drop-down list box.)

Before your procedures will run, however, you must connect the declared object in the class module with the embedded chart. You can do this by using the following code from any module.

Dim myClassModule As New EventClassModule

Sub InitializeChart()
    Set myClassModule.myChartClass = _
        Charts(1).ChartObjects(1).Chart
End Sub

After you run the InitializeChart procedure, the myChartClass object in the class module points to embedded chart 1 on worksheet 1, and the event procedures in the class module will run when the events occur.




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