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Posted 25 Feb 2004

Zero or One Document Interface (ZODI)

, 25 Feb 2004
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This article describes how to create a single-document application using multi-document interface. You may have zero or one document at a time.

What's this?

This article describes how to create a single-document application using multi-document interface. You may have zero or one document at a time.

I've written a CMultiDocTemplate - derived class CZoDocTemplate. It overrides OpenDocumentFile function. OpenDocumentFile works like CSingleDocTemplate one. It reinitializes created document instead of creating one more document. If there is no opened document, new document is created like in MDI case. If you create several document templates, you will have maximum one document per each template.

To create your own ZODI application

  1. Create MDI application with AppWizard.
  2. Add ZoDocTemplate.h & ZoDocTemplate.cpp in your project, named <your app>.
  3. Include ZoDocTemplate.h in <your app>.cpp.
  4. In InitInstance function, replace
    CMultiDocTemplate* pDocTemplate;
    pDocTemplate = new CMultiDocTemplate(...);


    CZoDocTemplate* pDocTemplate;
    pDocTemplate = new CZoDocTemplate(...);

Similar Article

Here is a similar article: Single View in MultiDoc-Application. I present another more simpler way of "Single View in MultiDoc-Application" implementation. In ZODI, the existing document is reinitialized like in SDI case.


Date posted: February 18, 2004.


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Software Developer (Senior)
Russian Federation Russian Federation
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Comments and Discussions

GeneralOpening New Docs Pin
Tim Gard29-Jun-05 15:37
memberTim Gard29-Jun-05 15:37 
GeneralRe: Opening New Docs Pin
Constructor7-Jul-05 22:38
memberConstructor7-Jul-05 22:38 
GeneralRe: Opening New Docs Pin
Tim Gard8-Jul-05 7:38
memberTim Gard8-Jul-05 7:38 
GeneralC++ makes bad HTML Pin
Tim Gard13-Jul-05 19:26
memberTim Gard13-Jul-05 19:26 

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