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About the ThisDocument Object [Visio 2003 SDK Documentation]

Office 2003

The Microsoft Visual Basic for Applications (VBA) project of every Visio document has a class module called ThisDocument. When referenced from code in the project, the ThisDocument object returns a reference to the project's Document object.

You can display the name of the VBA project's document in a message box with the following statement, for example:

    MsgBox ThisDocument.Name
  

You can get the first page of the VBA project's document by using the following code, for example:

    Dim vsoPage As Visio.Page 
Set vsoPage = ThisDocument.Pages.Item(1)
  

If you want to manipulate the document associated with your VBA project, use the ThisDocument object. If you want to manipulate a document, but not necessarily the document associated with your VBA project, get a Document object from the Documents collection.

The ActiveDocument property often, but not necessarily, returns a reference to the same document as the ThisDocument object. The ActiveDocument and ThisDocument objects are the same if the document shown in the Visio active window is the document containing the ThisDocument object's project. Whether your code uses the ActiveDocument or ThisDocument object depends on the purpose of your program.

You can extend the set of properties and methods of a project's Document object by adding public properties and methods to that project's ThisDocument class module. The new methods and properties are exposed just like the built-in methods and properties implemented by Visio. The new methods and properties are not available when you reference other Document objects.

Note   The ThisDocument object is not available to code that is not part of the VBA project of a Visio document.





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