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Multisim or Ultiboard Leaking GDI Resource Handles

Primary Software: Electronics Workbench>>Multisim
Primary Software Version: 10.0.1
Primary Software Fixed Version: N/A
Secondary Software: Electronics Workbench>>Ultiboard

Problem: Opening multiple files increases the number of GDI resource handles, eventually leading to a crash.

Solution: Microsoft® found an issue with MFC applications using Microsoft® Windows® Graphics Device Interface (GDI) objects and running on Windows® Server 2003 or Windows® XP. Multisim and Ultiboard are MFC applications that extensively use GDI for its graphics engine. This issue affects users of Multisim and Ultiboard running any of the affected Operating Systems.

Microsoft® created a Knowledge Base entry on their Support website that explains the problem and provides a hotfix update you can download directly from their website; the article is Microsoft® KB 319740. The solution is to install a hotfix update or you can workaround this problem if you turn off the XP user interface theme and go back to the classic theme.

NI has made tests after following the procedure explained in the KB and have seen significant improvements especially in XP systems.

NOTE: Please note that Microsoft® is responsible for Windows® support and National Instruments cannot provide support or guarantee the proper functionality of 3rd party technology.

Related Links:
Microsoft® KB 319740: MFC applications leak GDI objects on computers that are running Windows Server 2003 or Windows XP

Attachments:





Report Date: 03/28/2008
Last Updated: 03/31/2008
Document ID: 4JREGSXL

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