Volume 2: Solutions and Publishing disclaimer
Trust Center and Remove Hidden Information
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- Navigate this page:
- About Security Settings and Running Code in Visio
- About Setting Microsoft Office 2007 Security in a Testing Environment
- About Secure Deployment of Managed COM Add-ins in Microsoft Office 2007
- About Automating the Visual Basic Editor
- Remove Hidden Information
- Useage expression .RemoveHiddenInformation(VisRemoveHiddenInfoItems) Return Value
- Enumeration for VisRemoveHiddenInfoItems
- Preventing masters from being removed from a document
- Remove Personal Information
Trust Center and Remove Hidden InformationSecurity and being able to trust the programs that run on your computer is becoming more and more of an issue for users. The Trust Center is used to control which programs are allowed to run on your computer. The Remove Hidden Information tool in Visio allows you to depersonalize drawings when saving and sending them to other users. Trust CenterAbout Security Settings and Running Code in VisioCreating secure applications is one of the primary challenges facing solution developers. Users, administrators, and developers are increasingly aware of the potential of unknowingly running code that can be harmful to their computers. It is more important than ever that you help to ensure the integrity of your applications. Starting with Microsoft® Office Visio® 2007, all security settings are Office-wide and are set in the Trust Center (accessed via File > Options). Affected settings include the following:
About Setting Microsoft Office 2007 Security in a Testing EnvironmentTo install and run an unsigned COM add-in, the Require Application Add-ins to be signed by Trusted Publisher and the Disable all Application Add-ins options must be cleared in the Add-ins tab in the Trust Center. To run all VBA macros, including those that have not been digitally signed, the Enable all macros option must be set in the Trust Center. It is strongly recommended that you do this only in a testing environment. After you have completed your testing, set the options back to their original state. In the Macro Settings tab of the Trust Center, you can also set options to Disable all macros without notification, Disable all macros with notification, or Disable all macro except digitally signed macros.
To prevent this message from appearing, in the Macro Settings tab select the Trust access to the VBA project object model box. By checking this box, macros in any macro-enabled document that you open can access the core Microsoft Visual Basic objects, methods, and properties, which represents a possible security hazard. The recommended behavior is to check the Trust access to the VBA project object model box only for the duration of a macro that accesses the Visual Basic object model. The Trust access to the VBA project object model box should be unchecked after the macro has finished running. Remove Hidden InformationUsing the RemoveHiddenInformation method of the Document object is the equivalent of selecting corresponding checkboxes in the Remove Hidden Information dialog box (File > Info > Remove Personal Information) in the Visio user interface. Useageexpression.RemoveHiddenInformation(VisRemoveHiddenInfoItems) Return ValueNothing expression An expression that returns a Document object. Parameters
Enumeration for VisRemoveHiddenInfoItems
Sample VBA codePublic Sub RemoveHiddenInformation_Example() ActiveDocument.RemoveHiddenInformation visRHIPersonalInfo + _ visRHIPreview End Sub
Fortunately the Visio team thought of this scenario and provided the following solution.
Remove Personal InformationSetting the RemovePersonalInformation property of the Document object is equivalent to setting Remove personal information from file properties on save option under Document-specific settings on the Privacy Options page of the Trust Center dialog. 
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