Chart.ProtectFormatting Property (Excel)
True if chart formatting cannot be modified by the user. Read/write Boolean.
Syntax
expression .ProtectFormatting
expression A variable that represents a Chart object.
Remarks
This property is not persisted when the file is saved. If you set this property to True and then reopen the file, it will no longer be set to True.
Example
This example protects the formatting of embedded chart one on worksheet one.
Worksheets(1).ChartObjects(1).Chart.ProtectFormatting = True