ChartObject.ProtectChartObject Property (Excel)
True if the embedded chart frame cannot be moved, resized, or deleted through the user interface. Read/write Boolean.
Syntax
expression .ProtectChartObject
expression A variable that represents a ChartObject object.
Remarks
Setting this property to True will not protect the embedded chart frame from being modified through the object model.
Example
This example protects embedded chart one on worksheet one.
Worksheets(1).ChartObjects(1).ProtectChartObject = True