KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q141888: Blocks32: Demonstrates CRectTracker Class

Article: Q141888
Product(s): Microsoft C Compiler
Version(s): winnt:4.0
Operating System(s): 
Keyword(s): kbcode kbfile kbsample kbui kbnokeyword kbMFC KbUIDesign kbVC400 kbGrpDSMFCATL
Last Modified: 06-MAY-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- The Microsoft Foundation Classes (MFC), used with:
   - Microsoft Visual C++, 32-bit Editions, version 4.0 
-------------------------------------------------------------------------------

SUMMARY
=======

BLOCKS32 is a sample that demonstrates CRectTracker class. The user of the
BLOCKS32 sample can create rectangle, ellipse, and rounded rectangle graphical
objects. Once the objects are created, the mouse can be used to manipulate the
objects by changing their size or position on the screen. The user can save to a
disk file the state of objects in the document for use in another session.

The following files are available for download from the Microsoft Download
Center:

Blocks32.exe

For additional information about how to download Microsoft Support files, click
the article number below to view the article in the Microsoft Knowledge Base:

  Q119591 How to Obtain Microsoft Support Files from Online Services

Microsoft used the most current virus detection software available on the date of
posting to scan this file for viruses. Once posted, the file is housed on secure
servers that prevent any unauthorized changes to the file.


MORE INFORMATION
================

BLOCKS32 demonstrates the following:

- Deriving a class from the CObject class

- Using virtual functions with user-defined classes

- Maintaining a list of classes

- Creating static data and static member functions in a class

- Using the serialization feature of the CObject class to save classes to and
  read classes from a disk file

- Using CRectTracker class

BLOCKS32 uses the following MFC classes: CArchive, CBrush, CClientDC, CDC, CFile,
CFrameWnd, CPaintDC, CPen, CPoint, CRect, CWinApp, and CRectTracker.

Additional query words:

======================================================================
Keywords          : kbcode kbfile kbsample kbui kbnokeyword kbMFC KbUIDesign kbVC400 kbGrpDSMFCATL 
Technology        : kbAudDeveloper kbMFC
Version           : winnt:4.0

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.