The following tables list the members exposed by IDocumentProperties.
            
            Public Properties
|   | Name | Description | 
  | Count | Returns the number of document properties in this collection.   | 
  | Item | Overloaded. Returns the document property specified by the zero based index.   | 
  | Parent | Gets the workbook which owns this collection of document properties.   | 
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            Public Methods
|   | Name | Description | 
  | Add | Adds a new custom document property with the specified value (System.String, System.DateTime, System.Boolean, System.Int32 or System.Double) to a workbook and returns a reference to it.   | 
  | Clear | Removes all document properties from this collection.   | 
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            See Also