Document Properties

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RichEditControl allows you to provide a document with additional information about its author, title, editor, etc. These details are represented by document properties - metadata stored with the document.

Standard ECMA-376 (Edition 1) divides document properties into three categories: Core, Extended, and Custom. Rich Text Editor recognizes Core properties as the document's built-in properties and both Extended and Custom properties - as custom properties Document metadata is accessible both in code and in the User Interface

Built-In Properties

Built-in document properties are represented by the DocumentProperties instance. To set these attributes, use the following API.

Member Description
SubDocument.BeginUpdate Enables document modification.
Document.DocumentProperties Provides access to the collection of document properties.
SubDocument.EndUpdate Finishes document update.

This code snippet demonstrates how to set standard document properties and show them in a document using specific fields. Calling the FieldCollection.Update updates all property fields in the document body.

NOTE

If the DOCPROPERTY fields are located in the text box, header or footer, they should be updated separately. Use the Section.BeginUpdateHeader - Section.EndUpdateHeader or Section.BeginUpdateFooter - Section.EndUpdateFooter paired methods to obtain the header or footer. The TextBox.Document property allows you to retrieve the text box content and update the corresponding fields.

document.BeginUpdate();

document.DocumentProperties.Creator = "John Doe";
document.DocumentProperties.Title = "Inserting Custom Properties";
document.DocumentProperties.Category = "TestDoc";
document.DocumentProperties.Description = "This code demonstrates API to modify and display standard document properties.";

document.Fields.Create(document.AppendText("\nAUTHOR: ").End, "AUTHOR");
document.Fields.Create(document.AppendText("\nTITLE: ").End, "TITLE");
document.Fields.Create(document.AppendText("\nCOMMENTS: ").End, "COMMENTS");
document.Fields.Create(document.AppendText("\nCREATEDATE: ").End, "CREATEDATE");
document.Fields.Create(document.AppendText("\nCategory: ").End, "DOCPROPERTY Category");
document.Fields.Update();
document.EndUpdate();

Built-in Properties in Different Formats

The table below highlights what built-in document properties supported in different formats.

DOCX RTF DOC WordML ODT HTML
Application yes yes yes yes yes no
AppVersion yes yes yes yes yes no
Category yes yes yes yes no no
ContentStatus yes no yes no no no
ContentType yes no no no no no
Created yes yes yes yes yes no
Creator yes yes yes yes yes no
Description yes yes yes yes yes no
Identifier yes no no no no no
Keywords yes yes yes yes yes no
Language yes no yes no no no
LastModifiedBy yes yes yes yes yes no
LastPrinted yes yes yes yes yes no
Manager yes yes yes yes yes no
Modified yes yes yes yes yes no
Revision yes yes yes yes yes no
Subject yes yes yes yes yes no
Template yes yes yes yes yes no
Title yes yes yes yes yes yes
Version yes no yes no no no

Custom Properties

Custom properties in the RichEditControl document are represented by the DocumentCustomProperties instance. The API from the table below allows you to set custom properties for your document.

Member Description
SubDocument.BeginUpdate Enables document modification.
Document.CustomProperties Provides access to the collection of custom document properties.
DocumentCustomProperties.Add Adds a new custom property with a given name and value to the document collection.
DocumentCustomProperties.Item Sets a value of a custom property. If the property with the specified name does not exist, RichEditControl creates it automatically.
SubDocument.EndUpdate Finishes the document update.

The following code illustrates how to create custom document properties and place them in the document's storage. The DOCPROPERTY field is used to display property values in the document. Calling the FieldCollection.Update updates all property fields in the document body.

NOTE

If the DOCPROPERTY fields are located in the text box, header or footer, they should be updated separately. Use the Section.BeginUpdateHeader - Section.EndUpdateHeader or Section.BeginUpdateFooter - Section.EndUpdateFooter paired methods to obtain the header or footer. The TextBox.Document property allows you to retrieve the text box content and update the corresponding fields.

document.BeginUpdate();
document.AppendText("A new value of MyBookmarkProperty is obtained from here: NEWVALUE!\n");
document.Bookmarks.Create(document.FindAll("NEWVALUE!", SearchOptions.CaseSensitive)[0], "bmOne");
document.AppendText("\nMyNumericProperty: ");
document.Fields.Create(document.Range.End, @"DOCPROPERTY ""MyNumericProperty""");
document.AppendText("\nMyStringProperty: ");
document.Fields.Create(document.Range.End, @"DOCPROPERTY ""MyStringProperty""");
document.AppendText("\nMyBooleanProperty: ");
document.Fields.Create(document.Range.End, @"DOCPROPERTY ""MyBooleanProperty""");
document.AppendText("\nMyBookmarkProperty: ");
document.Fields.Create(document.Range.End, @"DOCPROPERTY ""MyBookmarkProperty""");
document.EndUpdate();

document.CustomProperties["MyNumericProperty"]= 123.45;
document.CustomProperties["MyStringProperty"]="The Final Answer";
document.CustomProperties["MyBookmarkProperty"] = document.Bookmarks[0];
document.CustomProperties["MyBooleanProperty"]=true;

document.Fields.Update();
TIP

To set what document properties are going to be exported, use the DocumentExporterOptions.ExportedDocumentProperties property.

Document Properties in the User Interface

End-users can specify both built-in and custom properties using the Document Properties Dialog (invoked from the File ribbon tab). To learn how to provide the application with the Ribbon UI, refer to the How to: Create the RichEditControl with a Ribbon UI topic.

DocumentProperties_Invoke

The Statistics dialog tab displays document properties that are updated automatically. You can specify the RichEditBehaviorOptions.DocumentPropertiesAutoUpdate property to control these properties' update.

To display document properties in the document, use special fields, the DOCPROPERTY field or a combination of the DOCVARIABLE field and the RichEditControl.CalculateDocumentVariable event handler.